Merge "Revert "Merge remote-tracking branch 'msm-4.4/tmp-510d0a3f' into msm-4.4""

171 files changed, 526 insertions, 1431 deletions

diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 9f77943653fb..6979186dbd4b 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -491,58 +491,6 @@ static void acpi_processor_remove(struct acpi_device *device)
 }
 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
 
-#ifdef CONFIG_X86
-static bool acpi_hwp_native_thermal_lvt_set;
-static acpi_status __init acpi_hwp_native_thermal_lvt_osc(acpi_handle handle,
-							  u32 lvl,
-							  void *context,
-							  void **rv)
-{
-	u8 sb_uuid_str[] = "4077A616-290C-47BE-9EBD-D87058713953";
-	u32 capbuf[2];
-	struct acpi_osc_context osc_context = {
-		.uuid_str = sb_uuid_str,
-		.rev = 1,
-		.cap.length = 8,
-		.cap.pointer = capbuf,
-	};
-
-	if (acpi_hwp_native_thermal_lvt_set)
-		return AE_CTRL_TERMINATE;
-
-	capbuf[0] = 0x0000;
-	capbuf[1] = 0x1000; /* set bit 12 */
-
-	if (ACPI_SUCCESS(acpi_run_osc(handle, &osc_context))) {
-		if (osc_context.ret.pointer && osc_context.ret.length > 1) {
-			u32 *capbuf_ret = osc_context.ret.pointer;
-
-			if (capbuf_ret[1] & 0x1000) {
-				acpi_handle_info(handle,
-					"_OSC native thermal LVT Acked\n");
-				acpi_hwp_native_thermal_lvt_set = true;
-			}
-		}
-		kfree(osc_context.ret.pointer);
-	}
-
-	return AE_OK;
-}
-
-void __init acpi_early_processor_osc(void)
-{
-	if (boot_cpu_has(X86_FEATURE_HWP)) {
-		acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
-				    ACPI_UINT32_MAX,
-				    acpi_hwp_native_thermal_lvt_osc,
-				    NULL, NULL, NULL);
-		acpi_get_devices(ACPI_PROCESSOR_DEVICE_HID,
-				 acpi_hwp_native_thermal_lvt_osc,
-				 NULL, NULL);
-	}
-}
-#endif
-
 /*
  * The following ACPI IDs are known to be suitable for representing as
  * processor devices.
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 28c50c6b5f45..bc32f3194afe 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -417,9 +417,6 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
 				obj_desc->method.mutex->mutex.
 				    original_sync_level =
 				    obj_desc->method.mutex->mutex.sync_level;
-
-				obj_desc->method.mutex->mutex.thread_id =
-				    acpi_os_get_thread_id();
 			}
 		}
 
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ca4f28432d87..a212cefae524 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1004,9 +1004,6 @@ static int __init acpi_bus_init(void)
 		goto error1;
 	}
 
-	/* Set capability bits for _OSC under processor scope */
-	acpi_early_processor_osc();
-
 	/*
 	 * _OSC method may exist in module level code,
 	 * so it must be run after ACPI_FULL_INITIALIZATION
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 0f3f41c13b38..11d87bf67e73 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -130,12 +130,6 @@ void acpi_early_processor_set_pdc(void);
 static inline void acpi_early_processor_set_pdc(void) {}
 #endif
 
-#ifdef CONFIG_X86
-void acpi_early_processor_osc(void);
-#else
-static inline void acpi_early_processor_osc(void) {}
-#endif
-
 /* --------------------------------------------------------------------------
                                   Embedded Controller
    -------------------------------------------------------------------------- */
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 639adb1f8abd..04975b851c23 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -51,9 +51,6 @@ static int ahci_probe(struct platform_device *pdev)
 	if (rc)
 		return rc;
 
-	of_property_read_u32(dev->of_node,
-			     "ports-implemented", &hpriv->force_port_map);
-
 	if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
 		hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
 
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index e916bff6cee8..e2c6d9e0c5ac 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -739,9 +739,9 @@ static int xgene_ahci_probe(struct platform_device *pdev)
 				dev_warn(&pdev->dev, "%s: Error reading device info. Assume version1\n",
 					__func__);
 				version = XGENE_AHCI_V1;
-			} else if (info->valid & ACPI_VALID_CID) {
-				version = XGENE_AHCI_V2;
 			}
+			if (info->valid & ACPI_VALID_CID)
+				version = XGENE_AHCI_V2;
 		}
 	}
 #endif
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 9628fa131757..998c6a85ad89 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -467,7 +467,6 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
 		dev_info(dev, "forcing port_map 0x%x -> 0x%x\n",
 			 port_map, hpriv->force_port_map);
 		port_map = hpriv->force_port_map;
-		hpriv->saved_port_map = port_map;
 	}
 
 	if (hpriv->mask_port_map) {
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index a48824deabc5..65f50eccd49b 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1381,7 +1381,7 @@ int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 
 	mutex_lock(&genpd->lock);
 
-	if (!list_empty(&subdomain->master_links) || subdomain->device_count) {
+	if (!list_empty(&subdomain->slave_links) || subdomain->device_count) {
 		pr_warn("%s: unable to remove subdomain %s\n", genpd->name,
 			subdomain->name);
 		ret = -EBUSY;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 80cf8add46ff..423f4ca7d712 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -488,12 +488,6 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
 	bvec = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);
 	iov_iter_bvec(&iter, ITER_BVEC | rw, bvec,
 		      bio_segments(bio), blk_rq_bytes(cmd->rq));
-	/*
-	 * This bio may be started from the middle of the 'bvec'
-	 * because of bio splitting, so offset from the bvec must
-	 * be passed to iov iterator
-	 */
-	iter.iov_offset = bio->bi_iter.bi_bvec_done;
 
 	cmd->iocb.ki_pos = pos;
 	cmd->iocb.ki_filp = file;
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 8f1ce6d57a08..93b3f99b6865 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -618,8 +618,8 @@ static void nbd_request_handler(struct request_queue *q)
 			req, req->cmd_type);
 
 		if (unlikely(!nbd->sock)) {
-			dev_err_ratelimited(disk_to_dev(nbd->disk),
-					    "Attempted send on closed socket\n");
+			dev_err(disk_to_dev(nbd->disk),
+				"Attempted send on closed socket\n");
 			req->errors++;
 			nbd_end_request(nbd, req);
 			spin_lock_irq(q->queue_lock);
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 78a39f736c64..562b5a4ca7b7 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -126,7 +126,7 @@
 */
 #include <linux/types.h>
 
-static int verbose = 0;
+static bool verbose = 0;
 static int major = PD_MAJOR;
 static char *name = PD_NAME;
 static int cluster = 64;
@@ -161,7 +161,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
 static DEFINE_MUTEX(pd_mutex);
 static DEFINE_SPINLOCK(pd_lock);
 
-module_param(verbose, int, 0);
+module_param(verbose, bool, 0);
 module_param(major, int, 0);
 module_param(name, charp, 0);
 module_param(cluster, int, 0);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 216a94fed5b4..1740d75e8a32 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -117,7 +117,7 @@
 
 */
 
-static int verbose = 0;
+static bool verbose = 0;
 static int major = PT_MAJOR;
 static char *name = PT_NAME;
 static int disable = 0;
@@ -152,7 +152,7 @@ static int (*drives[4])[6] = {&drive0, &drive1, &drive2, &drive3};
 
 #include <asm/uaccess.h>
 
-module_param(verbose, int, 0);
+module_param(verbose, bool, 0);
 module_param(major, int, 0);
 module_param(name, charp, 0);
 module_param_array(drive0, int, NULL, 0);
diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c
index 1827fc4d15c1..e98d15eaa799 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -150,7 +150,7 @@ static int __init weim_parse_dt(struct platform_device *pdev,
 			return ret;
 	}
 
-	for_each_available_child_of_node(pdev->dev.of_node, child) {
+	for_each_child_of_node(pdev->dev.of_node, child) {
 		if (!child->name)
 			continue;
 
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index bbf206e3da0d..3ace102a2a0a 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -422,12 +422,6 @@ const struct clk_ops clk_divider_ops = {
 };
 EXPORT_SYMBOL_GPL(clk_divider_ops);
 
-const struct clk_ops clk_divider_ro_ops = {
-	.recalc_rate = clk_divider_recalc_rate,
-	.round_rate = clk_divider_round_rate,
-};
-EXPORT_SYMBOL_GPL(clk_divider_ro_ops);
-
 static struct clk *_register_divider(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
@@ -451,10 +445,7 @@ static struct clk *_register_divider(struct device *dev, const char *name,
 		return ERR_PTR(-ENOMEM);
 
 	init.name = name;
-	if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
-		init.ops = &clk_divider_ro_ops;
-	else
-		init.ops = &clk_divider_ops;
+	init.ops = &clk_divider_ops;
 	init.flags = flags | CLK_IS_BASIC;
 	init.parent_names = (parent_name ? &parent_name: NULL);
 	init.num_parents = (parent_name ? 1 : 0);
diff --git a/drivers/clk/meson/clkc.c b/drivers/clk/meson/clkc.c
index d920d410b51d..c83ae1367abc 100644
--- a/drivers/clk/meson/clkc.c
+++ b/drivers/clk/meson/clkc.c
@@ -198,7 +198,7 @@ meson_clk_register_fixed_rate(const struct clk_conf *clk_conf,
 }
 
 void __init meson_clk_register_clks(const struct clk_conf *clk_confs,
-				    unsigned int nr_confs,
+				    size_t nr_confs,
 				    void __iomem *clk_base)
 {
 	unsigned int i;
diff --git a/drivers/clk/nxp/clk-lpc18xx-ccu.c b/drivers/clk/nxp/clk-lpc18xx-ccu.c
index 558da89555af..13aabbb3acbe 100644
--- a/drivers/clk/nxp/clk-lpc18xx-ccu.c
+++ b/drivers/clk/nxp/clk-lpc18xx-ccu.c
@@ -222,7 +222,7 @@ static void lpc18xx_ccu_register_branch_gate_div(struct lpc18xx_clk_branch *bran
 		div->width = 1;
 
 		div_hw = &div->hw;
-		div_ops = &clk_divider_ro_ops;
+		div_ops = &clk_divider_ops;
 	}
 
 	branch->gate.reg = branch->offset + reg_base;
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index 8b9c388bc43c..6c899fb5b856 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c
@@ -2722,7 +2722,7 @@ static struct clk_rcg ce3_src = {
 	},
 	.freq_tbl = clk_tbl_ce3,
 	.clkr = {
-		.enable_reg = 0x36c0,
+		.enable_reg = 0x2c08,
 		.enable_mask = BIT(7),
 		.hw.init = &(struct clk_init_data){
 			.name = "ce3_src",
@@ -2738,7 +2738,7 @@ static struct clk_branch ce3_core_clk = {
 	.halt_reg = 0x2fdc,
 	.halt_bit = 5,
 	.clkr = {
-		.enable_reg = 0x36cc,
+		.enable_reg = 0x36c4,
 		.enable_mask = BIT(4),
 		.hw.init = &(struct clk_init_data){
 			.name = "ce3_core_clk",
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 9b6c8188efac..be6c7fd8315d 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -70,7 +70,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
 	if (gate_offset >= 0) {
 		gate = kzalloc(sizeof(*gate), GFP_KERNEL);
 		if (!gate)
-			goto err_gate;
+			return ERR_PTR(-ENOMEM);
 
 		gate->flags = gate_flags;
 		gate->reg = base + gate_offset;
@@ -82,7 +82,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
 	if (div_width > 0) {
 		div = kzalloc(sizeof(*div), GFP_KERNEL);
 		if (!div)
-			goto err_div;
+			return ERR_PTR(-ENOMEM);
 
 		div->flags = div_flags;
 		div->reg = base + muxdiv_offset;
@@ -90,9 +90,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
 		div->width = div_width;
 		div->lock = lock;
 		div->table = div_table;
-		div_ops = (div_flags & CLK_DIVIDER_READ_ONLY)
-						? &clk_divider_ro_ops
-						: &clk_divider_ops;
+		div_ops = &clk_divider_ops;
 	}
 
 	clk = clk_register_composite(NULL, name, parent_names, num_parents,
@@ -102,11 +100,6 @@ static struct clk *rockchip_clk_register_branch(const char *name,
 				     flags);
 
 	return clk;
-err_div:
-	kfree(gate);
-err_gate:
-	kfree(mux);
-	return ERR_PTR(-ENOMEM);
 }
 
 static struct clk *rockchip_clk_register_frac_branch(const char *name,
diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c
index 897c36c1754a..a1cdef6b0f90 100644
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -92,7 +92,6 @@ static void __init clk_sp810_of_setup(struct device_node *node)
 	int num = ARRAY_SIZE(parent_names);
 	char name[12];
 	struct clk_init_data init;
-	static int instance;
 	int i;
 	bool deprecated;
 
@@ -119,7 +118,7 @@ static void __init clk_sp810_of_setup(struct device_node *node)
 	deprecated = !of_find_property(node, "assigned-clock-parents", NULL);
 
 	for (i = 0; i < ARRAY_SIZE(sp810->timerclken); i++) {
-		snprintf(name, sizeof(name), "sp810_%d_%d", instance, i);
+		snprintf(name, ARRAY_SIZE(name), "timerclken%d", i);
 
 		sp810->timerclken[i].sp810 = sp810;
 		sp810->timerclken[i].channel = i;
@@ -140,6 +139,5 @@ static void __init clk_sp810_of_setup(struct device_node *node)
 	}
 
 	of_clk_add_provider(node, clk_sp810_timerclken_of_get, sp810);
-	instance++;
 }
 CLK_OF_DECLARE(sp810, "arm,sp810", clk_sp810_of_setup);
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index f53b02a6bc05..98fb8821382d 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -667,11 +667,6 @@ static int core_get_max_pstate(void)
 			if (err)
 				goto skip_tar;
 
-			/* For level 1 and 2, bits[23:16] contain the ratio */
-			if (tdp_ctrl)
-				tdp_ratio >>= 16;
-
-			tdp_ratio &= 0xff; /* ratios are only 8 bits long */
 			if (tdp_ratio - 1 == tar) {
 				max_pstate = tar;
 				pr_debug("max_pstate=TAC %x\n", max_pstate);
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
index e342565e8715..545069d5fdfb 100644
--- a/drivers/cpuidle/cpuidle-arm.c
+++ b/drivers/cpuidle/cpuidle-arm.c
@@ -50,7 +50,7 @@ static int arm_enter_idle_state(struct cpuidle_device *dev,
 		 * call the CPU ops suspend protocol with idle index as a
 		 * parameter.
 		 */
-		ret = arm_cpuidle_suspend(idx);
+		arm_cpuidle_suspend(idx);
 
 		cpu_pm_exit();
 	}
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
index 60fc0fa26fd3..3d9acc53d247 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
@@ -225,9 +225,6 @@ static int ccp_aes_cmac_export(struct ahash_request *req, void *out)
 	struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req);
 	struct ccp_aes_cmac_exp_ctx state;
 
-	/* Don't let anything leak to 'out' */
-	memset(&state, 0, sizeof(state));
-
 	state.null_msg = rctx->null_msg;
 	memcpy(state.iv, rctx->iv, sizeof(state.iv));
 	state.buf_count = rctx->buf_count;
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index ab9945f2cb7a..8ef06fad8b14 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -212,9 +212,6 @@ static int ccp_sha_export(struct ahash_request *req, void *out)
 	struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
 	struct ccp_sha_exp_ctx state;
 
-	/* Don't let anything leak to 'out' */
-	memset(&state, 0, sizeof(state));
-
 	state.type = rctx->type;
 	state.msg_bits = rctx->msg_bits;
 	state.first = rctx->first;
diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h
index b9178d0a3093..3f76bd495bcb 100644
--- a/drivers/crypto/qat/qat_common/adf_common_drv.h
+++ b/drivers/crypto/qat/qat_common/adf_common_drv.h
@@ -145,8 +145,6 @@ int adf_enable_aer(struct adf_accel_dev *accel_dev, struct pci_driver *adf);
 void adf_disable_aer(struct adf_accel_dev *accel_dev);
 int adf_init_aer(void);
 void adf_exit_aer(void);
-int adf_init_pf_wq(void);
-void adf_exit_pf_wq(void);
 int adf_init_admin_comms(struct adf_accel_dev *accel_dev);
 void adf_exit_admin_comms(struct adf_accel_dev *accel_dev);
 int adf_send_admin_init(struct adf_accel_dev *accel_dev);
diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
index e7480f373532..473d36d91644 100644
--- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c
+++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
@@ -469,17 +469,12 @@ static int __init adf_register_ctl_device_driver(void)
 	if (adf_init_aer())
 		goto err_aer;
 
-	if (adf_init_pf_wq())
-		goto err_pf_wq;
-
 	if (qat_crypto_register())
 		goto err_crypto_register;
 
 	return 0;
 
 err_crypto_register:
-	adf_exit_pf_wq();
-err_pf_wq:
 	adf_exit_aer();
 err_aer:
 	adf_chr_drv_destroy();
@@ -492,7 +487,6 @@ static void __exit adf_unregister_ctl_device_driver(void)
 {
 	adf_chr_drv_destroy();
 	adf_exit_aer();
-	adf_exit_pf_wq();
 	qat_crypto_unregister();
 	adf_clean_vf_map(false);
 	mutex_destroy(&adf_ctl_lock);
diff --git a/drivers/crypto/qat/qat_common/adf_sriov.c b/drivers/crypto/qat/qat_common/adf_sriov.c
index 38a0415e767d..1117a8b58280 100644
--- a/drivers/crypto/qat/qat_common/adf_sriov.c
+++ b/drivers/crypto/qat/qat_common/adf_sriov.c
@@ -119,6 +119,11 @@ static int adf_enable_sriov(struct adf_accel_dev *accel_dev)
 	int i;
 	u32 reg;
 
+	/* Workqueue for PF2VF responses */
+	pf2vf_resp_wq = create_workqueue("qat_pf2vf_resp_wq");
+	if (!pf2vf_resp_wq)
+		return -ENOMEM;
+
 	for (i = 0, vf_info = accel_dev->pf.vf_info; i < totalvfs;
 	     i++, vf_info++) {
 		/* This ptr will be populated when VFs will be created */
@@ -211,6 +216,11 @@ void adf_disable_sriov(struct adf_accel_dev *accel_dev)
 
 	kfree(accel_dev->pf.vf_info);
 	accel_dev->pf.vf_info = NULL;
+
+	if (pf2vf_resp_wq) {
+		destroy_workqueue(pf2vf_resp_wq);
+		pf2vf_resp_wq = NULL;
+	}
 }
 EXPORT_SYMBOL_GPL(adf_disable_sriov);
 
@@ -294,19 +304,3 @@ int adf_sriov_configure(struct pci_dev *pdev, int numvfs)
 	return numvfs;
 }
 EXPORT_SYMBOL_GPL(adf_sriov_configure);
-
-int __init adf_init_pf_wq(void)
-{
-	/* Workqueue for PF2VF responses */
-	pf2vf_resp_wq = create_workqueue("qat_pf2vf_resp_wq");
-
-	return !pf2vf_resp_wq ? -ENOMEM : 0;
-}
-
-void adf_exit_pf_wq(void)
-{
-	if (pf2vf_resp_wq) {
-		destroy_workqueue(pf2vf_resp_wq);
-		pf2vf_resp_wq = NULL;
-	}
-}
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index a04fea4d0063..b6f9f42e2985 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -63,14 +63,6 @@ static void to_talitos_ptr(struct talitos_ptr *ptr, dma_addr_t dma_addr,
 		ptr->eptr = upper_32_bits(dma_addr);
 }
 
-static void copy_talitos_ptr(struct talitos_ptr *dst_ptr,
-			     struct talitos_ptr *src_ptr, bool is_sec1)
-{
-	dst_ptr->ptr = src_ptr->ptr;
-	if (!is_sec1)
-		dst_ptr->eptr = src_ptr->eptr;
-}
-
 static void to_talitos_ptr_len(struct talitos_ptr *ptr, unsigned int len,
 			       bool is_sec1)
 {
@@ -1091,20 +1083,21 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 	sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ?: 1,
 			      (areq->src == areq->dst) ? DMA_BIDIRECTIONAL
 							   : DMA_TO_DEVICE);
+
 	/* hmac data */
 	desc->ptr[1].len = cpu_to_be16(areq->assoclen);
 	if (sg_count > 1 &&
 	    (ret = sg_to_link_tbl_offset(areq->src, sg_count, 0,
 					 areq->assoclen,
 					 &edesc->link_tbl[tbl_off])) > 1) {
+		tbl_off += ret;
+
 		to_talitos_ptr(&desc->ptr[1], edesc->dma_link_tbl + tbl_off *
 			       sizeof(struct talitos_ptr), 0);
 		desc->ptr[1].j_extent = DESC_PTR_LNKTBL_JUMP;
 
 		dma_sync_single_for_device(dev, edesc->dma_link_tbl,
 					   edesc->dma_len, DMA_BIDIRECTIONAL);
-
-		tbl_off += ret;
 	} else {
 		to_talitos_ptr(&desc->ptr[1], sg_dma_address(areq->src), 0);
 		desc->ptr[1].j_extent = 0;
@@ -1133,13 +1126,11 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 	if (edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV)
 		sg_link_tbl_len += authsize;
 
-	if (sg_count == 1) {
-		to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src) +
-			       areq->assoclen, 0);
-	} else if ((ret = sg_to_link_tbl_offset(areq->src, sg_count,
-						areq->assoclen, sg_link_tbl_len,
-						&edesc->link_tbl[tbl_off])) >
-		   1) {
+	if (sg_count > 1 &&
+	    (ret = sg_to_link_tbl_offset(areq->src, sg_count, areq->assoclen,
+					 sg_link_tbl_len,
+					 &edesc->link_tbl[tbl_off])) > 1) {
+		tbl_off += ret;
 		desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP;
 		to_talitos_ptr(&desc->ptr[4], edesc->dma_link_tbl +
 					      tbl_off *
@@ -1147,10 +1138,8 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 		dma_sync_single_for_device(dev, edesc->dma_link_tbl,
 					   edesc->dma_len,
 					   DMA_BIDIRECTIONAL);
-		tbl_off += ret;
-	} else {
-		copy_talitos_ptr(&desc->ptr[4], &edesc->link_tbl[tbl_off], 0);
-	}
+	} else
+		to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src), 0);
 
 	/* cipher out */
 	desc->ptr[5].len = cpu_to_be16(cryptlen);
@@ -1162,13 +1151,11 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 
 	edesc->icv_ool = false;
 
-	if (sg_count == 1) {
-		to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst) +
-			       areq->assoclen, 0);
-	} else if ((sg_count =
-			sg_to_link_tbl_offset(areq->dst, sg_count,
+	if (sg_count > 1 &&
+	    (sg_count = sg_to_link_tbl_offset(areq->dst, sg_count,
 					      areq->assoclen, cryptlen,
-					      &edesc->link_tbl[tbl_off])) > 1) {
+					      &edesc->link_tbl[tbl_off])) >
+	    1) {
 		struct talitos_ptr *tbl_ptr = &edesc->link_tbl[tbl_off];
 
 		to_talitos_ptr(&desc->ptr[5], edesc->dma_link_tbl +
@@ -1191,9 +1178,8 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 					   edesc->dma_len, DMA_BIDIRECTIONAL);
 
 		edesc->icv_ool = true;
-	} else {
-		copy_talitos_ptr(&desc->ptr[5], &edesc->link_tbl[tbl_off], 0);
-	}
+	} else
+		to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst), 0);
 
 	/* iv out */
 	map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv,
@@ -2533,11 +2519,21 @@ struct talitos_crypto_alg {
 	struct talitos_alg_template algt;
 };
 
-static int talitos_init_common(struct talitos_ctx *ctx,
-			       struct talitos_crypto_alg *talitos_alg)
+static int talitos_cra_init(struct crypto_tfm *tfm)
 {
+	struct crypto_alg *alg = tfm->__crt_alg;
+	struct talitos_crypto_alg *talitos_alg;
+	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
 	struct talitos_private *priv;
 
+	if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
+		talitos_alg = container_of(__crypto_ahash_alg(alg),
+					   struct talitos_crypto_alg,
+					   algt.alg.hash);
+	else
+		talitos_alg = container_of(alg, struct talitos_crypto_alg,
+					   algt.alg.crypto);
+
 	/* update context with ptr to dev */
 	ctx->dev = talitos_alg->dev;
 
@@ -2555,33 +2551,10 @@ static int talitos_init_common(struct talitos_ctx *ctx,
 	return 0;
 }
 
-static int talitos_cra_init(struct crypto_tfm *tfm)
-{
-	struct crypto_alg *alg = tfm->__crt_alg;
-	struct talitos_crypto_alg *talitos_alg;
-	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
-
-	if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
-		talitos_alg = container_of(__crypto_ahash_alg(alg),
-					   struct talitos_crypto_alg,
-					   algt.alg.hash);
-	else
-		talitos_alg = container_of(alg, struct talitos_crypto_alg,
-					   algt.alg.crypto);
-
-	return talitos_init_common(ctx, talitos_alg);
-}
-
 static int talitos_cra_init_aead(struct crypto_aead *tfm)
 {
-	struct aead_alg *alg = crypto_aead_alg(tfm);
-	struct talitos_crypto_alg *talitos_alg;
-	struct talitos_ctx *ctx = crypto_aead_ctx(tfm);
-
-	talitos_alg = container_of(alg, struct talitos_crypto_alg,
-				   algt.alg.aead);
-
-	return talitos_init_common(ctx, talitos_alg);
+	talitos_cra_init(crypto_aead_tfm(tfm));
+	return 0;
 }
 
 static int talitos_cra_init_ahash(struct crypto_tfm *tfm)
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index c66133b5e852..4f099ea29f83 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -130,14 +130,26 @@ static void dwc_desc_put(struct dw_dma_chan *dwc, struct dw_desc *desc)
 static void dwc_initialize(struct dw_dma_chan *dwc)
 {
 	struct dw_dma *dw = to_dw_dma(dwc->chan.device);
+	struct dw_dma_slave *dws = dwc->chan.private;
 	u32 cfghi = DWC_CFGH_FIFO_MODE;
 	u32 cfglo = DWC_CFGL_CH_PRIOR(dwc->priority);
 
 	if (dwc->initialized == true)
 		return;
 
-	cfghi |= DWC_CFGH_DST_PER(dwc->dst_id);
-	cfghi |= DWC_CFGH_SRC_PER(dwc->src_id);
+	if (dws) {
+		/*
+		 * We need controller-specific data to set up slave
+		 * transfers.
+		 */
+		BUG_ON(!dws->dma_dev || dws->dma_dev != dw->dma.dev);
+
+		cfghi |= DWC_CFGH_DST_PER(dws->dst_id);
+		cfghi |= DWC_CFGH_SRC_PER(dws->src_id);
+	} else {
+		cfghi |= DWC_CFGH_DST_PER(dwc->dst_id);
+		cfghi |= DWC_CFGH_SRC_PER(dwc->src_id);
+	}
 
 	channel_writel(dwc, CFG_LO, cfglo);
 	channel_writel(dwc, CFG_HI, cfghi);
@@ -924,7 +936,7 @@ bool dw_dma_filter(struct dma_chan *chan, void *param)
 	struct dw_dma_chan *dwc = to_dw_dma_chan(chan);
 	struct dw_dma_slave *dws = param;
 
-	if (dws->dma_dev != chan->device->dev)
+	if (!dws || dws->dma_dev != chan->device->dev)
 		return false;
 
 	/* We have to copy data since dws can be temporary storage */
@@ -1148,14 +1160,6 @@ static int dwc_alloc_chan_resources(struct dma_chan *chan)
 	 * doesn't mean what you think it means), and status writeback.
 	 */
 
-	/*
-	 * We need controller-specific data to set up slave transfers.
-	 */
-	if (chan->private && !dw_dma_filter(chan, chan->private)) {
-		dev_warn(chan2dev(chan), "Wrong controller-specific data\n");
-		return -EINVAL;
-	}
-
 	/* Enable controller here if needed */
 	if (!dw->in_use)
 		dw_dma_on(dw);
@@ -1217,14 +1221,6 @@ static void dwc_free_chan_resources(struct dma_chan *chan)
 	spin_lock_irqsave(&dwc->lock, flags);
 	list_splice_init(&dwc->free_list, &list);
 	dwc->descs_allocated = 0;
-
-	/* Clear custom channel configuration */
-	dwc->src_id = 0;
-	dwc->dst_id = 0;
-
-	dwc->src_master = 0;
-	dwc->dst_master = 0;
-
 	dwc->initialized = false;
 
 	/* Disable interrupts */
diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c
index efc02b98e6ba..823ad728aecf 100644
--- a/drivers/dma/hsu/hsu.c
+++ b/drivers/dma/hsu/hsu.c
@@ -135,7 +135,7 @@ static u32 hsu_dma_chan_get_sr(struct hsu_dma_chan *hsuc)
 	sr = hsu_chan_readl(hsuc, HSU_CH_SR);
 	spin_unlock_irqrestore(&hsuc->vchan.lock, flags);
 
-	return sr & ~(HSU_CH_SR_DESCE_ANY | HSU_CH_SR_CDESC_ANY);
+	return sr;
 }
 
 irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, unsigned short nr)
diff --git a/drivers/dma/hsu/hsu.h b/drivers/dma/hsu/hsu.h
index 26da2865b025..f06579c6d548 100644
--- a/drivers/dma/hsu/hsu.h
+++ b/drivers/dma/hsu/hsu.h
@@ -41,9 +41,6 @@
 #define HSU_CH_SR_DESCTO(x)	BIT(8 + (x))
 #define HSU_CH_SR_DESCTO_ANY	(BIT(11) | BIT(10) | BIT(9) | BIT(8))
 #define HSU_CH_SR_CHE		BIT(15)
-#define HSU_CH_SR_DESCE(x)	BIT(16 + (x))
-#define HSU_CH_SR_DESCE_ANY	(BIT(19) | BIT(18) | BIT(17) | BIT(16))
-#define HSU_CH_SR_CDESC_ANY	(BIT(31) | BIT(30))
 
 /* Bits in HSU_CH_CR */
 #define HSU_CH_CR_CHA		BIT(0)
diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index 55f5d33f6dc7..a59061e4221a 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -122,7 +122,6 @@ struct pxad_chan {
 struct pxad_device {
 	struct dma_device		slave;
 	int				nr_chans;
-	int				nr_requestors;
 	void __iomem			*base;
 	struct pxad_phy			*phys;
 	spinlock_t			phy_lock;	/* Phy association */
@@ -474,7 +473,7 @@ static void pxad_free_phy(struct pxad_chan *chan)
 		return;
 
 	/* clear the channel mapping in DRCMR */
-	if (chan->drcmr <= pdev->nr_requestors) {
+	if (chan->drcmr <= DRCMR_CHLNUM) {
 		reg = pxad_drcmr(chan->drcmr);
 		writel_relaxed(0, chan->phy->base + reg);
 	}
@@ -510,7 +509,6 @@ static bool is_running_chan_misaligned(struct pxad_chan *chan)
 
 static void phy_enable(struct pxad_phy *phy, bool misaligned)
 {
-	struct pxad_device *pdev;
 	u32 reg, dalgn;
 
 	if (!phy->vchan)
@@ -520,8 +518,7 @@ static void phy_enable(struct pxad_phy *phy, bool misaligned)
 		"%s(); phy=%p(%d) misaligned=%d\n", __func__,
 		phy, phy->idx, misaligned);
 
-	pdev = to_pxad_dev(phy->vchan->vc.chan.device);
-	if (phy->vchan->drcmr <= pdev->nr_requestors) {
+	if (phy->vchan->drcmr <= DRCMR_CHLNUM) {
 		reg = pxad_drcmr(phy->vchan->drcmr);
 		writel_relaxed(DRCMR_MAPVLD | phy->idx, phy->base + reg);
 	}
@@ -917,7 +914,6 @@ static void pxad_get_config(struct pxad_chan *chan,
 {
 	u32 maxburst = 0, dev_addr = 0;
 	enum dma_slave_buswidth width = DMA_SLAVE_BUSWIDTH_UNDEFINED;
-	struct pxad_device *pdev = to_pxad_dev(chan->vc.chan.device);
 
 	*dcmd = 0;
 	if (dir == DMA_DEV_TO_MEM) {
@@ -926,7 +922,7 @@ static void pxad_get_config(struct pxad_chan *chan,
 		dev_addr = chan->cfg.src_addr;
 		*dev_src = dev_addr;
 		*dcmd |= PXA_DCMD_INCTRGADDR;
-		if (chan->drcmr <= pdev->nr_requestors)
+		if (chan->drcmr <= DRCMR_CHLNUM)
 			*dcmd |= PXA_DCMD_FLOWSRC;
 	}
 	if (dir == DMA_MEM_TO_DEV) {
@@ -935,7 +931,7 @@ static void pxad_get_config(struct pxad_chan *chan,
 		dev_addr = chan->cfg.dst_addr;
 		*dev_dst = dev_addr;
 		*dcmd |= PXA_DCMD_INCSRCADDR;
-		if (chan->drcmr <= pdev->nr_requestors)
+		if (chan->drcmr <= DRCMR_CHLNUM)
 			*dcmd |= PXA_DCMD_FLOWTRG;
 	}
 	if (dir == DMA_MEM_TO_MEM)
@@ -1345,15 +1341,13 @@ static struct dma_chan *pxad_dma_xlate(struct of_phandle_args *dma_spec,
 
 static int pxad_init_dmadev(struct platform_device *op,
 			    struct pxad_device *pdev,
-			    unsigned int nr_phy_chans,
-			    unsigned int nr_requestors)
+			    unsigned int nr_phy_chans)
 {
 	int ret;
 	unsigned int i;
 	struct pxad_chan *c;
 
 	pdev->nr_chans = nr_phy_chans;
-	pdev->nr_requestors = nr_requestors;
 	INIT_LIST_HEAD(&pdev->slave.channels);
 	pdev->slave.device_alloc_chan_resources = pxad_alloc_chan_resources;
 	pdev->slave.device_free_chan_resources = pxad_free_chan_resources;
@@ -1388,7 +1382,7 @@ static int pxad_probe(struct platform_device *op)
 	const struct of_device_id *of_id;
 	struct mmp_dma_platdata *pdata = dev_get_platdata(&op->dev);
 	struct resource *iores;
-	int ret, dma_channels = 0, nb_requestors = 0;
+	int ret, dma_channels = 0;
 	const enum dma_slave_buswidth widths =
 		DMA_SLAVE_BUSWIDTH_1_BYTE   | DMA_SLAVE_BUSWIDTH_2_BYTES |
 		DMA_SLAVE_BUSWIDTH_4_BYTES;
@@ -1405,23 +1399,13 @@ static int pxad_probe(struct platform_device *op)
 		return PTR_ERR(pdev->base);
 
 	of_id = of_match_device(pxad_dt_ids, &op->dev);
-	if (of_id) {
+	if (of_id)
 		of_property_read_u32(op->dev.of_node, "#dma-channels",
 				     &dma_channels);
-		ret = of_property_read_u32(op->dev.of_node, "#dma-requests",
-					   &nb_requestors);
-		if (ret) {
-			dev_warn(pdev->slave.dev,
-				 "#dma-requests set to default 32 as missing in OF: %d",
-				 ret);
-			nb_requestors = 32;
-		};
-	} else if (pdata && pdata->dma_channels) {
+	else if (pdata && pdata->dma_channels)
 		dma_channels = pdata->dma_channels;
-		nb_requestors = pdata->nb_requestors;
-	} else {
+	else
 		dma_channels = 32;	/* default 32 channel */
-	}
 
 	dma_cap_set(DMA_SLAVE, pdev->slave.cap_mask);
 	dma_cap_set(DMA_MEMCPY, pdev->slave.cap_mask);
@@ -1438,7 +1422,7 @@ static int pxad_probe(struct platform_device *op)
 	pdev->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
 
 	pdev->slave.dev = &op->dev;
-	ret = pxad_init_dmadev(op, pdev, dma_channels, nb_requestors);
+	ret = pxad_init_dmadev(op, pdev, dma_channels);
 	if (ret) {
 		dev_err(pdev->slave.dev, "unable to register\n");
 		return ret;
@@ -1457,8 +1441,7 @@ static int pxad_probe(struct platform_device *op)
 
 	platform_set_drvdata(op, pdev);
 	pxad_init_debugfs(pdev);
-	dev_info(pdev->slave.dev, "initialized %d channels on %d requestors\n",
-		 dma_channels, nb_requestors);
+	dev_info(pdev->slave.dev, "initialized %d channels\n", dma_channels);
 	return 0;
 }
 
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 792bdae2b91d..01087a38da22 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1866,7 +1866,7 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
 
 	i7_dev = get_i7core_dev(mce->socketid);
 	if (!i7_dev)
-		return NOTIFY_DONE;
+		return NOTIFY_BAD;
 
 	mci = i7_dev->mci;
 	pvt = mci->pvt_info;
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 37649221f81c..cbee3179ec08 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1396,7 +1396,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 	}
 
 	ch_way = TAD_CH(reg) + 1;
-	sck_way = TAD_SOCK(reg);
+	sck_way = 1 << TAD_SOCK(reg);
 
 	if (ch_way == 3)
 		idx = addr >> 6;
@@ -1435,7 +1435,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 		switch(ch_way) {
 		case 2:
 		case 4:
-			sck_xch = (1 << sck_way) * (ch_way >> 1);
+			sck_xch = 1 << sck_way * (ch_way >> 1);
 			break;
 		default:
 			sprintf(msg, "Invalid mirror set. Can't decode addr");
@@ -1471,7 +1471,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 
 	ch_addr = addr - offset;
 	ch_addr >>= (6 + shiftup);
-	ch_addr /= sck_xch;
+	ch_addr /= ch_way * sck_way;
 	ch_addr <<= (6 + shiftup);
 	ch_addr |= addr & ((1 << (6 + shiftup)) - 1);
 
@@ -2254,7 +2254,7 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
 
 	mci = get_mci_for_node_id(mce->socketid);
 	if (!mci)
-		return NOTIFY_DONE;
+		return NOTIFY_BAD;
 	pvt = mci->pvt_info;
 
 	/*
diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
index b6cb30d207be..9f9ea334399c 100644
--- a/drivers/extcon/extcon-max77843.c
+++ b/drivers/extcon/extcon-max77843.c
@@ -803,7 +803,7 @@ static int max77843_muic_probe(struct platform_device *pdev)
 	/* Clear IRQ bits before request IRQs */
 	ret = regmap_bulk_read(max77843->regmap_muic,
 			MAX77843_MUIC_REG_INT1, info->status,
-			MAX77843_MUIC_STATUS_NUM);
+			MAX77843_MUIC_IRQ_NUM);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to Clear IRQ bits\n");
 		goto err_muic_irq;
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 3b52677f459a..027ca212179f 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -180,7 +180,6 @@ static int generic_ops_register(void)
 {
 	generic_ops.get_variable = efi.get_variable;
 	generic_ops.set_variable = efi.set_variable;
-	generic_ops.set_variable_nonblocking = efi.set_variable_nonblocking;
 	generic_ops.get_next_variable = efi.get_next_variable;
 	generic_ops.query_variable_store = efi_query_variable_store;
 
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index d775e2bfc017..b2a172d93a08 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -8,7 +8,7 @@ cflags-$(CONFIG_X86_32)		:= -march=i386
 cflags-$(CONFIG_X86_64)		:= -mcmodel=small
 cflags-$(CONFIG_X86)		+= -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 \
 				   -fPIC -fno-strict-aliasing -mno-red-zone \
-				   -mno-mmx -mno-sse
+				   -mno-mmx -mno-sse -DDISABLE_BRANCH_PROFILING
 
 cflags-$(CONFIG_ARM64)		:= $(subst -pg,,$(KBUILD_CFLAGS))
 cflags-$(CONFIG_ARM)		:= $(subst -pg,,$(KBUILD_CFLAGS)) \
@@ -16,7 +16,7 @@ cflags-$(CONFIG_ARM)		:= $(subst -pg,,$(KBUILD_CFLAGS)) \
 
 cflags-$(CONFIG_EFI_ARMSTUB)	+= -I$(srctree)/scripts/dtc/libfdt
 
-KBUILD_CFLAGS			:= $(cflags-y) -DDISABLE_BRANCH_PROFILING \
+KBUILD_CFLAGS			:= $(cflags-y) \
 				   $(call cc-option,-ffreestanding) \
 				   $(call cc-option,-fno-stack-protector)
 
@@ -35,8 +35,7 @@ $(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
 lib-$(CONFIG_EFI_ARMSTUB)	+= arm-stub.o fdt.o string.o \
 				   $(patsubst %.c,lib-%.o,$(arm-deps))
 
-lib-$(CONFIG_ARM)		+= arm32-stub.o
-lib-$(CONFIG_ARM64)		+= arm64-stub.o random.o
+lib-$(CONFIG_ARM64)		+= arm64-stub.o
 CFLAGS_arm64-stub.o 		:= -DTEXT_OFFSET=$(TEXT_OFFSET)
 
 #
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index d5aa1d16154f..950c87f5d279 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -18,8 +18,6 @@
 
 #include "efistub.h"
 
-bool __nokaslr;
-
 static int efi_secureboot_enabled(efi_system_table_t *sys_table_arg)
 {
 	static efi_guid_t const var_guid = EFI_GLOBAL_VARIABLE_GUID;
@@ -209,6 +207,14 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
 		pr_efi_err(sys_table, "Failed to find DRAM base\n");
 		goto fail;
 	}
+	status = handle_kernel_image(sys_table, image_addr, &image_size,
+				     &reserve_addr,
+				     &reserve_size,
+				     dram_base, image);
+	if (status != EFI_SUCCESS) {
+		pr_efi_err(sys_table, "Failed to relocate kernel\n");
+		goto fail;
+	}
 
 	/*
 	 * Get the command line from EFI, using the LOADED_IMAGE
@@ -218,28 +224,7 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
 	cmdline_ptr = efi_convert_cmdline(sys_table, image, &cmdline_size);
 	if (!cmdline_ptr) {
 		pr_efi_err(sys_table, "getting command line via LOADED_IMAGE_PROTOCOL\n");
-		goto fail;
-	}
-
-	/* check whether 'nokaslr' was passed on the command line */
-	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
-		static const u8 default_cmdline[] = CONFIG_CMDLINE;
-		const u8 *str, *cmdline = cmdline_ptr;
-
-		if (IS_ENABLED(CONFIG_CMDLINE_FORCE))
-			cmdline = default_cmdline;
-		str = strstr(cmdline, "nokaslr");
-		if (str == cmdline || (str > cmdline && *(str - 1) == ' '))
-			__nokaslr = true;
-	}
-
-	status = handle_kernel_image(sys_table, image_addr, &image_size,
-				     &reserve_addr,
-				     &reserve_size,
-				     dram_base, image);
-	if (status != EFI_SUCCESS) {
-		pr_efi_err(sys_table, "Failed to relocate kernel\n");
-		goto fail_free_cmdline;
+		goto fail_free_image;
 	}
 
 	status = efi_parse_options(cmdline_ptr);
@@ -259,7 +244,7 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
 
 		if (status != EFI_SUCCESS) {
 			pr_efi_err(sys_table, "Failed to load device tree!\n");
-			goto fail_free_image;
+			goto fail_free_cmdline;
 		}
 	}
 
@@ -301,11 +286,12 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
 	efi_free(sys_table, initrd_size, initrd_addr);
 	efi_free(sys_table, fdt_size, fdt_addr);
 
+fail_free_cmdline:
+	efi_free(sys_table, cmdline_size, (unsigned long)cmdline_ptr);
+
 fail_free_image:
 	efi_free(sys_table, image_size, *image_addr);
 	efi_free(sys_table, reserve_size, reserve_addr);
-fail_free_cmdline:
-	efi_free(sys_table, cmdline_size, (unsigned long)cmdline_ptr);
 fail:
 	return EFI_ERROR;
 }
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
index e0e6b74fef8f..78dfbd34b6bf 100644
--- a/drivers/firmware/efi/libstub/arm64-stub.c
+++ b/drivers/firmware/efi/libstub/arm64-stub.c
@@ -13,10 +13,6 @@
 #include <asm/efi.h>
 #include <asm/sections.h>
 
-#include "efistub.h"
-
-extern bool __nokaslr;
-
 efi_status_t __init handle_kernel_image(efi_system_table_t *sys_table_arg,
 					unsigned long *image_addr,
 					unsigned long *image_size,
@@ -27,52 +23,26 @@ efi_status_t __init handle_kernel_image(efi_system_table_t *sys_table_arg,
 {
 	efi_status_t status;
 	unsigned long kernel_size, kernel_memsize = 0;
+	unsigned long nr_pages;
 	void *old_image_addr = (void *)*image_addr;
 	unsigned long preferred_offset;
-	u64 phys_seed = 0;
-
-	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
-		if (!__nokaslr) {
-			status = efi_get_random_bytes(sys_table_arg,
-						      sizeof(phys_seed),
-						      (u8 *)&phys_seed);
-			if (status == EFI_NOT_FOUND) {
-				pr_efi(sys_table_arg, "EFI_RNG_PROTOCOL unavailable, no randomness supplied\n");
-			} else if (status != EFI_SUCCESS) {
-				pr_efi_err(sys_table_arg, "efi_get_random_bytes() failed\n");
-				return status;
-			}
-		} else {
-			pr_efi(sys_table_arg, "KASLR disabled on kernel command line\n");
-		}
-	}
 
 	/*
 	 * The preferred offset of the kernel Image is TEXT_OFFSET bytes beyond
 	 * a 2 MB aligned base, which itself may be lower than dram_base, as
 	 * long as the resulting offset equals or exceeds it.
 	 */
-	preferred_offset = round_down(dram_base, MIN_KIMG_ALIGN) + TEXT_OFFSET;
+	preferred_offset = round_down(dram_base, SZ_2M) + TEXT_OFFSET;
 	if (preferred_offset < dram_base)
-		preferred_offset += MIN_KIMG_ALIGN;
+		preferred_offset += SZ_2M;
 
+	/* Relocate the image, if required. */
 	kernel_size = _edata - _text;
-	kernel_memsize = kernel_size + (_end - _edata);
-
-	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && phys_seed != 0) {
-		/*
-		 * If KASLR is enabled, and we have some randomness available,
-		 * locate the kernel at a randomized offset in physical memory.
-		 */
-		*reserve_size = kernel_memsize + TEXT_OFFSET;
-		status = efi_random_alloc(sys_table_arg, *reserve_size,
-					  MIN_KIMG_ALIGN, reserve_addr,
-					  phys_seed);
+	if (*image_addr != preferred_offset) {
+		kernel_memsize = kernel_size + (_end - _edata);
 
-		*image_addr = *reserve_addr + TEXT_OFFSET;
-	} else {
 		/*
-		 * Else, try a straight allocation at the preferred offset.
+		 * First, try a straight allocation at the preferred offset.
 		 * This will work around the issue where, if dram_base == 0x0,
 		 * efi_low_alloc() refuses to allocate at 0x0 (to prevent the
 		 * address of the allocation to be mistaken for a FAIL return
@@ -82,31 +52,27 @@ efi_status_t __init handle_kernel_image(efi_system_table_t *sys_table_arg,
 		 * Mustang), we can still place the kernel at the address
 		 * 'dram_base + TEXT_OFFSET'.
 		 */
-		if (*image_addr == preferred_offset)
-			return EFI_SUCCESS;
-
 		*image_addr = *reserve_addr = preferred_offset;
-		*reserve_size = round_up(kernel_memsize, EFI_ALLOC_ALIGN);
-
+		nr_pages = round_up(kernel_memsize, EFI_ALLOC_ALIGN) /
+			   EFI_PAGE_SIZE;
 		status = efi_call_early(allocate_pages, EFI_ALLOCATE_ADDRESS,
-					EFI_LOADER_DATA,
-					*reserve_size / EFI_PAGE_SIZE,
+					EFI_LOADER_DATA, nr_pages,
 					(efi_physical_addr_t *)reserve_addr);
-	}
-
-	if (status != EFI_SUCCESS) {
-		*reserve_size = kernel_memsize + TEXT_OFFSET;
-		status = efi_low_alloc(sys_table_arg, *reserve_size,
-				       MIN_KIMG_ALIGN, reserve_addr);
-
 		if (status != EFI_SUCCESS) {
-			pr_efi_err(sys_table_arg, "Failed to relocate kernel\n");
-			*reserve_size = 0;
-			return status;
+			kernel_memsize += TEXT_OFFSET;
+			status = efi_low_alloc(sys_table_arg, kernel_memsize,
+					       SZ_2M, reserve_addr);
+
+			if (status != EFI_SUCCESS) {
+				pr_efi_err(sys_table_arg, "Failed to relocate kernel\n");
+				return status;
+			}
+			*image_addr = *reserve_addr + TEXT_OFFSET;
 		}
-		*image_addr = *reserve_addr + TEXT_OFFSET;
+		memcpy((void *)*image_addr, old_image_addr, kernel_size);
+		*reserve_size = kernel_memsize;
 	}
-	memcpy((void *)*image_addr, old_image_addr, kernel_size);
+
 
 	return EFI_SUCCESS;
 }
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 29ed2f9b218c..f07d4a67fa76 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -649,10 +649,6 @@ static u8 *efi_utf16_to_utf8(u8 *dst, const u16 *src, int n)
 	return dst;
 }
 
-#ifndef MAX_CMDLINE_ADDRESS
-#define MAX_CMDLINE_ADDRESS	ULONG_MAX
-#endif
-
 /*
  * Convert the unicode UEFI command line to ASCII to pass to kernel.
  * Size of memory allocated return in *cmd_line_len.
@@ -688,8 +684,7 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg,
 
 	options_bytes++;	/* NUL termination */
 
-	status = efi_high_alloc(sys_table_arg, options_bytes, 0,
-				&cmdline_addr, MAX_CMDLINE_ADDRESS);
+	status = efi_low_alloc(sys_table_arg, options_bytes, 0, &cmdline_addr);
 	if (status != EFI_SUCCESS)
 		return NULL;
 
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 5ed3d3f38166..6b6548fda089 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -43,11 +43,4 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
 		     unsigned long desc_size, efi_memory_desc_t *runtime_map,
 		     int *count);
 
-efi_status_t efi_get_random_bytes(efi_system_table_t *sys_table,
-				  unsigned long size, u8 *out);
-
-efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg,
-			      unsigned long size, unsigned long align,
-			      unsigned long *addr, unsigned long random_seed);
-
 #endif
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index b1c22cf18f7d..b62e2f5dcab3 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -147,20 +147,6 @@ efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
 	if (status)
 		goto fdt_set_fail;
 
-	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
-		efi_status_t efi_status;
-
-		efi_status = efi_get_random_bytes(sys_table, sizeof(fdt_val64),
-						  (u8 *)&fdt_val64);
-		if (efi_status == EFI_SUCCESS) {
-			status = fdt_setprop(fdt, node, "kaslr-seed",
-					     &fdt_val64, sizeof(fdt_val64));
-			if (status)
-				goto fdt_set_fail;
-		} else if (efi_status != EFI_NOT_FOUND) {
-			return efi_status;
-		}
-	}
 	return EFI_SUCCESS;
 
 fdt_set_fail:
diff --git a/drivers/firmware/efi/libstub/random.c b/drivers/firmware/efi/libstub/random.c
deleted file mode 100644
index 53f6d3fe6d86..000000000000
--- a/drivers/firmware/efi/libstub/random.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2016 Linaro Ltd;  <ard.biesheuvel@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/efi.h>
-#include <asm/efi.h>
-
-#include "efistub.h"
-
-struct efi_rng_protocol {
-	efi_status_t (*get_info)(struct efi_rng_protocol *,
-				 unsigned long *, efi_guid_t *);
-	efi_status_t (*get_rng)(struct efi_rng_protocol *,
-				efi_guid_t *, unsigned long, u8 *out);
-};
-
-efi_status_t efi_get_random_bytes(efi_system_table_t *sys_table_arg,
-				  unsigned long size, u8 *out)
-{
-	efi_guid_t rng_proto = EFI_RNG_PROTOCOL_GUID;
-	efi_status_t status;
-	struct efi_rng_protocol *rng;
-
-	status = efi_call_early(locate_protocol, &rng_proto, NULL,
-				(void **)&rng);
-	if (status != EFI_SUCCESS)
-		return status;
-
-	return rng->get_rng(rng, NULL, size, out);
-}
-
-/*
- * Return the number of slots covered by this entry, i.e., the number of
- * addresses it covers that are suitably aligned and supply enough room
- * for the allocation.
- */
-static unsigned long get_entry_num_slots(efi_memory_desc_t *md,
-					 unsigned long size,
-					 unsigned long align)
-{
-	u64 start, end;
-
-	if (md->type != EFI_CONVENTIONAL_MEMORY)
-		return 0;
-
-	start = round_up(md->phys_addr, align);
-	end = round_down(md->phys_addr + md->num_pages * EFI_PAGE_SIZE - size,
-			 align);
-
-	if (start > end)
-		return 0;
-
-	return (end - start + 1) / align;
-}
-
-/*
- * The UEFI memory descriptors have a virtual address field that is only used
- * when installing the virtual mapping using SetVirtualAddressMap(). Since it
- * is unused here, we can reuse it to keep track of each descriptor's slot
- * count.
- */
-#define MD_NUM_SLOTS(md)	((md)->virt_addr)
-
-efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg,
-			      unsigned long size,
-			      unsigned long align,
-			      unsigned long *addr,
-			      unsigned long random_seed)
-{
-	unsigned long map_size, desc_size, total_slots = 0, target_slot;
-	efi_status_t status;
-	efi_memory_desc_t *memory_map;
-	int map_offset;
-
-	status = efi_get_memory_map(sys_table_arg, &memory_map, &map_size,
-				    &desc_size, NULL, NULL);
-	if (status != EFI_SUCCESS)
-		return status;
-
-	if (align < EFI_ALLOC_ALIGN)
-		align = EFI_ALLOC_ALIGN;
-
-	/* count the suitable slots in each memory map entry */
-	for (map_offset = 0; map_offset < map_size; map_offset += desc_size) {
-		efi_memory_desc_t *md = (void *)memory_map + map_offset;
-		unsigned long slots;
-
-		slots = get_entry_num_slots(md, size, align);
-		MD_NUM_SLOTS(md) = slots;
-		total_slots += slots;
-	}
-
-	/* find a random number between 0 and total_slots */
-	target_slot = (total_slots * (u16)random_seed) >> 16;
-
-	/*
-	 * target_slot is now a value in the range [0, total_slots), and so
-	 * it corresponds with exactly one of the suitable slots we recorded
-	 * when iterating over the memory map the first time around.
-	 *
-	 * So iterate over the memory map again, subtracting the number of
-	 * slots of each entry at each iteration, until we have found the entry
-	 * that covers our chosen slot. Use the residual value of target_slot
-	 * to calculate the randomly chosen address, and allocate it directly
-	 * using EFI_ALLOCATE_ADDRESS.
-	 */
-	for (map_offset = 0; map_offset < map_size; map_offset += desc_size) {
-		efi_memory_desc_t *md = (void *)memory_map + map_offset;
-		efi_physical_addr_t target;
-		unsigned long pages;
-
-		if (target_slot >= MD_NUM_SLOTS(md)) {
-			target_slot -= MD_NUM_SLOTS(md);
-			continue;
-		}
-
-		target = round_up(md->phys_addr, align) + target_slot * align;
-		pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
-
-		status = efi_call_early(allocate_pages, EFI_ALLOCATE_ADDRESS,
-					EFI_LOADER_DATA, pages, &target);
-		if (status == EFI_SUCCESS)
-			*addr = target;
-		break;
-	}
-
-	efi_call_early(free_pool, memory_map);
-
-	return status;
-}
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index 6f182fd91a6d..7f2ea21c730d 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -202,44 +202,29 @@ static const struct variable_validate variable_validate[] = {
 	{ NULL_GUID, "", NULL },
 };
 
-/*
- * Check if @var_name matches the pattern given in @match_name.
- *
- * @var_name: an array of @len non-NUL characters.
- * @match_name: a NUL-terminated pattern string, optionally ending in "*". A
- *              final "*" character matches any trailing characters @var_name,
- *              including the case when there are none left in @var_name.
- * @match: on output, the number of non-wildcard characters in @match_name
- *         that @var_name matches, regardless of the return value.
- * @return: whether @var_name fully matches @match_name.
- */
 static bool
 variable_matches(const char *var_name, size_t len, const char *match_name,
 		 int *match)
 {
 	for (*match = 0; ; (*match)++) {
 		char c = match_name[*match];
+		char u = var_name[*match];
 
-		switch (c) {
-		case '*':
-			/* Wildcard in @match_name means we've matched. */
+		/* Wildcard in the matching name means we've matched */
+		if (c == '*')
 			return true;
 
-		case '\0':
-			/* @match_name has ended. Has @var_name too? */
-			return (*match == len);
+		/* Case sensitive match */
+		if (!c && *match == len)
+			return true;
 
-		default:
-			/*
-			 * We've reached a non-wildcard char in @match_name.
-			 * Continue only if there's an identical character in
-			 * @var_name.
-			 */
-			if (*match < len && c == var_name[*match])
-				continue;
+		if (c != u)
 			return false;
-		}
+
+		if (!c)
+			return true;
 	}
+	return true;
 }
 
 bool
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 053fc2f465df..bb1099c549df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1673,7 +1673,6 @@ struct amdgpu_uvd {
 	struct amdgpu_bo	*vcpu_bo;
 	void			*cpu_addr;
 	uint64_t		gpu_addr;
-	unsigned		fw_version;
 	atomic_t		handles[AMDGPU_MAX_UVD_HANDLES];
 	struct drm_file		*filp[AMDGPU_MAX_UVD_HANDLES];
 	struct delayed_work	idle_work;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 5a8fbadbd27b..8ac49812a716 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -63,6 +63,10 @@ bool amdgpu_has_atpx(void) {
 	return amdgpu_atpx_priv.atpx_detected;
 }
 
+bool amdgpu_has_atpx_dgpu_power_cntl(void) {
+	return amdgpu_atpx_priv.atpx.functions.power_cntl;
+}
+
 /**
  * amdgpu_atpx_call - call an ATPX method
  *
@@ -142,10 +146,6 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas
  */
 static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
 {
-	/* make sure required functions are enabled */
-	/* dGPU power control is required */
-	atpx->functions.power_cntl = true;
-
 	if (atpx->functions.px_params) {
 		union acpi_object *info;
 		struct atpx_px_params output;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index c961fe093e12..9d88023df836 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -61,6 +61,12 @@ static const char *amdgpu_asic_name[] = {
 	"LAST",
 };
 
+#if defined(CONFIG_VGA_SWITCHEROO)
+bool amdgpu_has_atpx_dgpu_power_cntl(void);
+#else
+static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
+#endif
+
 bool amdgpu_device_is_px(struct drm_device *dev)
 {
 	struct amdgpu_device *adev = dev->dev_private;
@@ -1469,7 +1475,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 
 	if (amdgpu_runtime_pm == 1)
 		runtime = true;
-	if (amdgpu_device_is_px(ddev))
+	if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl())
 		runtime = true;
 	vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime);
 	if (runtime)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 4488e82f87b0..e23843f4d877 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -303,7 +303,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 			fw_info.feature = adev->vce.fb_version;
 			break;
 		case AMDGPU_INFO_FW_UVD:
-			fw_info.ver = adev->uvd.fw_version;
+			fw_info.ver = 0;
 			fw_info.feature = 0;
 			break;
 		case AMDGPU_INFO_FW_GMC:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index 89df7871653d..064ebb347074 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -52,7 +52,7 @@ struct amdgpu_hpd;
 
 #define AMDGPU_MAX_HPD_PINS 6
 #define AMDGPU_MAX_CRTCS 6
-#define AMDGPU_MAX_AFMT_BLOCKS 9
+#define AMDGPU_MAX_AFMT_BLOCKS 7
 
 enum amdgpu_rmx_type {
 	RMX_OFF,
@@ -308,8 +308,8 @@ struct amdgpu_mode_info {
 	struct atom_context *atom_context;
 	struct card_info *atom_card_info;
 	bool mode_config_initialized;
-	struct amdgpu_crtc *crtcs[AMDGPU_MAX_CRTCS];
-	struct amdgpu_afmt *afmt[AMDGPU_MAX_AFMT_BLOCKS];
+	struct amdgpu_crtc *crtcs[6];
+	struct amdgpu_afmt *afmt[7];
 	/* DVI-I properties */
 	struct drm_property *coherent_mode_property;
 	/* DAC enable load detect */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 73628c7599e7..b8fbbd7699e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -540,7 +540,6 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
 	if (!metadata_size) {
 		if (bo->metadata_size) {
 			kfree(bo->metadata);
-			bo->metadata = NULL;
 			bo->metadata_size = 0;
 		}
 		return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 3b35ad83867c..53f987aeeacf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -156,9 +156,6 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 	DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
 		version_major, version_minor, family_id);
 
-	adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
-				(family_id << 8));
-
 	bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
 		 +  AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE;
 	r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true,
@@ -276,8 +273,6 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
 	memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset,
 		(adev->uvd.fw->size) - offset);
 
-	cancel_delayed_work_sync(&adev->uvd.idle_work);
-
 	size = amdgpu_bo_size(adev->uvd.vcpu_bo);
 	size -= le32_to_cpu(hdr->ucode_size_bytes);
 	ptr = adev->uvd.cpu_addr;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index bb0da76051a1..a745eeeb5d82 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -220,7 +220,6 @@ int amdgpu_vce_suspend(struct amdgpu_device *adev)
 	if (i == AMDGPU_MAX_VCE_HANDLES)
 		return 0;
 
-	cancel_delayed_work_sync(&adev->vce.idle_work);
 	/* TODO: suspending running encoding sessions isn't supported */
 	return -EINVAL;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index 1cd6de575305..1e0bba29e167 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -298,10 +298,6 @@ bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder,
 	    && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
 		adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
 
-	/* vertical FP must be at least 1 */
-	if (mode->crtc_vsync_start == mode->crtc_vdisplay)
-		adjusted_mode->crtc_vsync_start++;
-
 	/* get the native mode for scaling */
 	if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
 		amdgpu_panel_mode_fixup(encoder, adjusted_mode);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 946300764609..aa491540ba85 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3628,7 +3628,7 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
 					unsigned vm_id, uint64_t pd_addr)
 {
 	int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
-	uint32_t seq = ring->fence_drv.sync_seq[ring->idx];
+	uint32_t seq = ring->fence_drv.sync_seq;
 	uint64_t addr = ring->fence_drv.gpu_addr;
 
 	amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
index d5e19b5fbbfb..c34c393e9aea 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
@@ -513,7 +513,7 @@ static int dbgdev_wave_control_set_registers(
 				union SQ_CMD_BITS *in_reg_sq_cmd,
 				union GRBM_GFX_INDEX_BITS *in_reg_gfx_index)
 {
-	int status = 0;
+	int status;
 	union SQ_CMD_BITS reg_sq_cmd;
 	union GRBM_GFX_INDEX_BITS reg_gfx_index;
 	struct HsaDbgWaveMsgAMDGen2 *pMsg;
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index d268bf18a662..39d7e2e15c11 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1665,19 +1665,13 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
 	struct drm_dp_mst_branch *mstb;
 	int len, ret, port_num;
 
-	port = drm_dp_get_validated_port_ref(mgr, port);
-	if (!port)
-		return -EINVAL;
-
 	port_num = port->port_num;
 	mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent);
 	if (!mstb) {
 		mstb = drm_dp_get_last_connected_port_and_mstb(mgr, port->parent, &port_num);
 
-		if (!mstb) {
-			drm_dp_put_port(port);
+		if (!mstb)
 			return -EINVAL;
-		}
 	}
 
 	txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
@@ -1703,7 +1697,6 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
 	kfree(txmsg);
 fail_put:
 	drm_dp_put_mst_branch_device(mstb);
-	drm_dp_put_port(port);
 	return ret;
 }
 
@@ -1786,11 +1779,6 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
 		req_payload.start_slot = cur_slots;
 		if (mgr->proposed_vcpis[i]) {
 			port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi);
-			port = drm_dp_get_validated_port_ref(mgr, port);
-			if (!port) {
-				mutex_unlock(&mgr->payload_lock);
-				return -EINVAL;
-			}
 			req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots;
 		} else {
 			port = NULL;
@@ -1816,9 +1804,6 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
 			mgr->payloads[i].payload_state = req_payload.payload_state;
 		}
 		cur_slots += req_payload.num_slots;
-
-		if (port)
-			drm_dp_put_port(port);
 	}
 
 	for (i = 0; i < mgr->max_payloads; i++) {
@@ -2124,8 +2109,6 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr)
 
 	if (mgr->mst_primary) {
 		int sret;
-		u8 guid[16];
-
 		sret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE);
 		if (sret != DP_RECEIVER_CAP_SIZE) {
 			DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
@@ -2140,16 +2123,6 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr)
 			ret = -1;
 			goto out_unlock;
 		}
-
-		/* Some hubs forget their guids after they resume */
-		sret = drm_dp_dpcd_read(mgr->aux, DP_GUID, guid, 16);
-		if (sret != 16) {
-			DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
-			ret = -1;
-			goto out_unlock;
-		}
-		drm_dp_check_mstb_guid(mgr->mst_primary, guid);
-
 		ret = 0;
 	} else
 		ret = -1;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 7e461dca564c..bc7b8faba84d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2838,14 +2838,7 @@ enum skl_disp_power_wells {
 #define GEN6_RP_STATE_CAP	(MCHBAR_MIRROR_BASE_SNB + 0x5998)
 #define BXT_RP_STATE_CAP        0x138170
 
-/*
- * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS
- * 8300) freezing up around GPU hangs. Looks as if even
- * scheduling/timer interrupts start misbehaving if the RPS
- * EI/thresholds are "bad", leading to a very sluggish or even
- * frozen machine.
- */
-#define INTERVAL_1_28_US(us)	roundup(((us) * 100) >> 7, 25)
+#define INTERVAL_1_28_US(us)	(((us) * 100) >> 7)
 #define INTERVAL_1_33_US(us)	(((us) * 3)   >> 2)
 #define INTERVAL_0_833_US(us)	(((us) * 6) / 5)
 #define GT_INTERVAL_FROM_US(dev_priv, us) (IS_GEN9(dev_priv) ? \
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 97d1ed20418b..6a2c76e367a5 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -248,14 +248,8 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder,
 		pipe_config->has_pch_encoder = true;
 
 	/* LPT FDI RX only supports 8bpc. */
-	if (HAS_PCH_LPT(dev)) {
-		if (pipe_config->bw_constrained && pipe_config->pipe_bpp < 24) {
-			DRM_DEBUG_KMS("LPT only supports 24bpp\n");
-			return false;
-		}
-
+	if (HAS_PCH_LPT(dev))
 		pipe_config->pipe_bpp = 24;
-	}
 
 	/* FDI must always be 2.7 GHz */
 	if (HAS_DDI(dev)) {
diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index fc28c512ece3..9e530a739354 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -180,8 +180,7 @@ struct stepping_info {
 static const struct stepping_info skl_stepping_info[] = {
 		{'A', '0'}, {'B', '0'}, {'C', '0'},
 		{'D', '0'}, {'E', '0'}, {'F', '0'},
-		{'G', '0'}, {'H', '0'}, {'I', '0'},
-		{'J', '0'}, {'K', '0'}
+		{'G', '0'}, {'H', '0'}, {'I', '0'}
 };
 
 static struct stepping_info bxt_stepping_info[] = {
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 3c6b07683bd9..7e6158b889da 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -464,17 +464,9 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port,
 	} else if (IS_BROADWELL(dev)) {
 		ddi_translations_fdi = bdw_ddi_translations_fdi;
 		ddi_translations_dp = bdw_ddi_translations_dp;
-
-		if (dev_priv->edp_low_vswing) {
-			ddi_translations_edp = bdw_ddi_translations_edp;
-			n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
-		} else {
-			ddi_translations_edp = bdw_ddi_translations_dp;
-			n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
-		}
-
+		ddi_translations_edp = bdw_ddi_translations_edp;
 		ddi_translations_hdmi = bdw_ddi_translations_hdmi;
-
+		n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
 		n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
 		n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
 		hdmi_default_entry = 7;
@@ -3196,6 +3188,12 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 	intel_ddi_clock_get(encoder, pipe_config);
 }
 
+static void intel_ddi_destroy(struct drm_encoder *encoder)
+{
+	/* HDMI has nothing special to destroy, so we can go with this. */
+	intel_dp_encoder_destroy(encoder);
+}
+
 static bool intel_ddi_compute_config(struct intel_encoder *encoder,
 				     struct intel_crtc_state *pipe_config)
 {
@@ -3214,8 +3212,7 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder,
 }
 
 static const struct drm_encoder_funcs intel_ddi_funcs = {
-	.reset = intel_dp_encoder_reset,
-	.destroy = intel_dp_encoder_destroy,
+	.destroy = intel_ddi_destroy,
 };
 
 static struct intel_connector *
@@ -3287,7 +3284,6 @@ void intel_ddi_init(struct drm_device *dev, enum port port)
 	intel_encoder->post_disable = intel_ddi_post_disable;
 	intel_encoder->get_hw_state = intel_ddi_get_hw_state;
 	intel_encoder->get_config = intel_ddi_get_config;
-	intel_encoder->suspend = intel_dp_encoder_suspend;
 
 	intel_dig_port->port = port;
 	intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) &
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index afa81691163d..f859a5b87ed4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4447,7 +4447,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
 		      intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX);
 
 	return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
-		&state->scaler_state.scaler_id, BIT(DRM_ROTATE_0),
+		&state->scaler_state.scaler_id, DRM_ROTATE_0,
 		state->pipe_src_w, state->pipe_src_h,
 		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
 }
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e55a82a99e7f..78b8ec84d576 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5035,7 +5035,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder)
 	kfree(intel_dig_port);
 }
 
-void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
+static void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
 
@@ -5077,7 +5077,7 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp)
 	edp_panel_vdd_schedule_off(intel_dp);
 }
 
-void intel_dp_encoder_reset(struct drm_encoder *encoder)
+static void intel_dp_encoder_reset(struct drm_encoder *encoder)
 {
 	struct intel_dp *intel_dp;
 
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 06bd9257acdc..0639275fc471 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -477,8 +477,6 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct drm_device *dev = connector->dev;
 
-	intel_connector->unregister(intel_connector);
-
 	/* need to nuke the connector */
 	drm_modeset_lock_all(dev);
 	if (connector->state->crtc) {
@@ -492,7 +490,11 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 
 		WARN(ret, "Disabling mst crtc failed with %i\n", ret);
 	}
+	drm_modeset_unlock_all(dev);
 
+	intel_connector->unregister(intel_connector);
+
+	drm_modeset_lock_all(dev);
 	intel_connector_remove_from_fbdev(intel_connector);
 	drm_connector_cleanup(connector);
 	drm_modeset_unlock_all(dev);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index f34a219ec5c4..0d00f07b7163 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1204,8 +1204,6 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp,
 void intel_dp_start_link_train(struct intel_dp *intel_dp);
 void intel_dp_stop_link_train(struct intel_dp *intel_dp);
 void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
-void intel_dp_encoder_reset(struct drm_encoder *encoder);
-void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
 void intel_dp_encoder_destroy(struct drm_encoder *encoder);
 int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc);
 bool intel_dp_compute_config(struct intel_encoder *encoder,
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 4b8ed9f2dabc..e6c035b0fc1c 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1388,16 +1388,8 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
 				hdmi_to_dig_port(intel_hdmi));
 	}
 
-	if (!live_status) {
-		DRM_DEBUG_KMS("HDMI live status down\n");
-		/*
-		 * Live status register is not reliable on all intel platforms.
-		 * So consider live_status only for certain platforms, for
-		 * others, read EDID to determine presence of sink.
-		 */
-		if (INTEL_INFO(dev_priv)->gen < 7 || IS_IVYBRIDGE(dev_priv))
-			live_status = true;
-	}
+	if (!live_status)
+		DRM_DEBUG_KMS("Live status not up!");
 
 	intel_hdmi_unset_edid(connector);
 
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 7058f75c7b42..d69547a65dbb 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -776,11 +776,11 @@ static int logical_ring_prepare(struct drm_i915_gem_request *req, int bytes)
 		if (unlikely(total_bytes > remain_usable)) {
 			/*
 			 * The base request will fit but the reserved space
-			 * falls off the end. So don't need an immediate wrap
-			 * and only need to effectively wait for the reserved
-			 * size space from the start of ringbuffer.
+			 * falls off the end. So only need to to wait for the
+			 * reserved size after flushing out the remainder.
 			 */
 			wait_bytes = remain_actual + ringbuf->reserved_size;
+			need_wrap = true;
 		} else if (total_bytes > ringbuf->space) {
 			/* No wrapping required, just waiting. */
 			wait_bytes = total_bytes;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0a68d2ec89dc..f091ad12d694 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6620,12 +6620,6 @@ static void broadwell_init_clock_gating(struct drm_device *dev)
 	misccpctl = I915_READ(GEN7_MISCCPCTL);
 	I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE);
 	I915_WRITE(GEN8_L3SQCREG1, BDW_WA_L3SQCREG1_DEFAULT);
-	/*
-	 * Wait at least 100 clocks before re-enabling clock gating. See
-	 * the definition of L3SQCREG1 in BSpec.
-	 */
-	POSTING_READ(GEN8_L3SQCREG1);
-	udelay(1);
 	I915_WRITE(GEN7_MISCCPCTL, misccpctl);
 
 	/*
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 9d48443bca2e..f6b2a814e629 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1922,17 +1922,6 @@ i915_dispatch_execbuffer(struct drm_i915_gem_request *req,
 	return 0;
 }
 
-static void cleanup_phys_status_page(struct intel_engine_cs *ring)
-{
-	struct drm_i915_private *dev_priv = to_i915(ring->dev);
-
-	if (!dev_priv->status_page_dmah)
-		return;
-
-	drm_pci_free(ring->dev, dev_priv->status_page_dmah);
-	ring->status_page.page_addr = NULL;
-}
-
 static void cleanup_status_page(struct intel_engine_cs *ring)
 {
 	struct drm_i915_gem_object *obj;
@@ -1949,9 +1938,9 @@ static void cleanup_status_page(struct intel_engine_cs *ring)
 
 static int init_status_page(struct intel_engine_cs *ring)
 {
-	struct drm_i915_gem_object *obj = ring->status_page.obj;
+	struct drm_i915_gem_object *obj;
 
-	if (obj == NULL) {
+	if ((obj = ring->status_page.obj) == NULL) {
 		unsigned flags;
 		int ret;
 
@@ -2145,7 +2134,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
 		if (ret)
 			goto error;
 	} else {
-		WARN_ON(ring->id != RCS);
+		BUG_ON(ring->id != RCS);
 		ret = init_phys_status_page(ring);
 		if (ret)
 			goto error;
@@ -2190,12 +2179,7 @@ void intel_cleanup_ring_buffer(struct intel_engine_cs *ring)
 	if (ring->cleanup)
 		ring->cleanup(ring);
 
-	if (I915_NEED_GFX_HWS(ring->dev)) {
-		cleanup_status_page(ring);
-	} else {
-		WARN_ON(ring->id != RCS);
-		cleanup_phys_status_page(ring);
-	}
+	cleanup_status_page(ring);
 
 	i915_cmd_parser_fini_ring(ring);
 	i915_gem_batch_pool_fini(&ring->batch_pool);
@@ -2357,11 +2341,11 @@ static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes)
 		if (unlikely(total_bytes > remain_usable)) {
 			/*
 			 * The base request will fit but the reserved space
-			 * falls off the end. So don't need an immediate wrap
-			 * and only need to effectively wait for the reserved
-			 * size space from the start of ringbuffer.
+			 * falls off the end. So only need to to wait for the
+			 * reserved size after flushing out the remainder.
 			 */
 			wait_bytes = remain_actual + ringbuf->reserved_size;
+			need_wrap = true;
 		} else if (total_bytes > ringbuf->space) {
 			/* No wrapping required, just waiting. */
 			wait_bytes = total_bytes;
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index cc91ae832ffb..43cba129a0c0 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1132,11 +1132,7 @@ static void intel_uncore_fw_domains_init(struct drm_device *dev)
 	} else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
 		dev_priv->uncore.funcs.force_wake_get =
 			fw_domains_get_with_thread_status;
-		if (IS_HASWELL(dev))
-			dev_priv->uncore.funcs.force_wake_put =
-				fw_domains_put_with_fifo;
-		else
-			dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
+		dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
 		fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
 			       FORCEWAKE_MT, FORCEWAKE_ACK_HSW);
 	} else if (IS_IVYBRIDGE(dev)) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ramht.c b/drivers/gpu/drm/nouveau/nvkm/core/ramht.c
index 89da47234016..3216e157a8a0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/ramht.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/ramht.c
@@ -131,7 +131,7 @@ nvkm_ramht_del(struct nvkm_ramht **pramht)
 	struct nvkm_ramht *ramht = *pramht;
 	if (ramht) {
 		nvkm_gpuobj_del(&ramht->gpuobj);
-		vfree(*pramht);
+		kfree(*pramht);
 		*pramht = NULL;
 	}
 }
@@ -143,8 +143,8 @@ nvkm_ramht_new(struct nvkm_device *device, u32 size, u32 align,
 	struct nvkm_ramht *ramht;
 	int ret, i;
 
-	if (!(ramht = *pramht = vzalloc(sizeof(*ramht) +
-					(size >> 3) * sizeof(*ramht->data))))
+	if (!(ramht = *pramht = kzalloc(sizeof(*ramht) + (size >> 3) *
+					sizeof(*ramht->data), GFP_KERNEL)))
 		return -ENOMEM;
 
 	ramht->device = device;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 36655a74c538..9f5dfc85147a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -1717,8 +1717,6 @@ gf100_gr_init(struct gf100_gr *gr)
 
 	gf100_gr_mmio(gr, gr->func->mmio);
 
-	nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001);
-
 	memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
 	for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
 		do {
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 5edebf495c07..183aea1abebc 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -375,15 +375,10 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
 
 	qxl_bo_kunmap(user_bo);
 
-	qcrtc->cur_x += qcrtc->hot_spot_x - hot_x;
-	qcrtc->cur_y += qcrtc->hot_spot_y - hot_y;
-	qcrtc->hot_spot_x = hot_x;
-	qcrtc->hot_spot_y = hot_y;
-
 	cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 	cmd->type = QXL_CURSOR_SET;
-	cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
-	cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
+	cmd->u.set.position.x = qcrtc->cur_x;
+	cmd->u.set.position.y = qcrtc->cur_y;
 
 	cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
 
@@ -446,8 +441,8 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
 
 	cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
 	cmd->type = QXL_CURSOR_MOVE;
-	cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
-	cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
+	cmd->u.position.x = qcrtc->cur_x;
+	cmd->u.position.y = qcrtc->cur_y;
 	qxl_release_unmap(qdev, release, &cmd->release_info);
 
 	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 3ab90179e9ab..01a86948eb8c 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -135,8 +135,6 @@ struct qxl_crtc {
 	int index;
 	int cur_x;
 	int cur_y;
-	int hot_spot_x;
-	int hot_spot_y;
 };
 
 struct qxl_output {
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 79bab6fd76bb..dac78ad24b31 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1739,7 +1739,6 @@ static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc)
 static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
-	struct radeon_device *rdev = dev->dev_private;
 	struct drm_crtc *test_crtc;
 	struct radeon_crtc *test_radeon_crtc;
 
@@ -1749,10 +1748,6 @@ static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc)
 		test_radeon_crtc = to_radeon_crtc(test_crtc);
 		if (test_radeon_crtc->encoder &&
 		    ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
-			/* PPLL2 is exclusive to UNIPHYA on DCE61 */
-			if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) &&
-			    test_radeon_crtc->pll_id == ATOM_PPLL2)
-				continue;
 			/* for DP use the same PLL for all */
 			if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
 				return test_radeon_crtc->pll_id;
@@ -1774,7 +1769,6 @@ static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
-	struct radeon_device *rdev = dev->dev_private;
 	struct drm_crtc *test_crtc;
 	struct radeon_crtc *test_radeon_crtc;
 	u32 adjusted_clock, test_adjusted_clock;
@@ -1790,10 +1784,6 @@ static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
 		test_radeon_crtc = to_radeon_crtc(test_crtc);
 		if (test_radeon_crtc->encoder &&
 		    !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
-			/* PPLL2 is exclusive to UNIPHYA on DCE61 */
-			if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) &&
-			    test_radeon_crtc->pll_id == ATOM_PPLL2)
-				continue;
 			/* check if we are already driving this connector with another crtc */
 			if (test_radeon_crtc->connector == radeon_crtc->connector) {
 				/* if we are, return that pll */
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 0b04b9282f56..adf74f4366bb 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -310,10 +310,6 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
 	    && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
 		adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
 
-	/* vertical FP must be at least 1 */
-	if (mode->crtc_vsync_start == mode->crtc_vdisplay)
-		adjusted_mode->crtc_vsync_start++;
-
 	/* get the native mode for scaling */
 	if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
 		radeon_panel_mode_fixup(encoder, adjusted_mode);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 32491355a1d4..2ad462896896 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2608,152 +2608,10 @@ static void evergreen_agp_enable(struct radeon_device *rdev)
 	WREG32(VM_CONTEXT1_CNTL, 0);
 }
 
-static const unsigned ni_dig_offsets[] =
-{
-	NI_DIG0_REGISTER_OFFSET,
-	NI_DIG1_REGISTER_OFFSET,
-	NI_DIG2_REGISTER_OFFSET,
-	NI_DIG3_REGISTER_OFFSET,
-	NI_DIG4_REGISTER_OFFSET,
-	NI_DIG5_REGISTER_OFFSET
-};
-
-static const unsigned ni_tx_offsets[] =
-{
-	NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
-	NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
-	NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
-	NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
-	NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
-	NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
-};
-
-static const unsigned evergreen_dp_offsets[] =
-{
-	EVERGREEN_DP0_REGISTER_OFFSET,
-	EVERGREEN_DP1_REGISTER_OFFSET,
-	EVERGREEN_DP2_REGISTER_OFFSET,
-	EVERGREEN_DP3_REGISTER_OFFSET,
-	EVERGREEN_DP4_REGISTER_OFFSET,
-	EVERGREEN_DP5_REGISTER_OFFSET
-};
-
-
-/*
- * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
- * We go from crtc to connector and it is not relible  since it
- * should be an opposite direction .If crtc is enable then
- * find the dig_fe which selects this crtc and insure that it enable.
- * if such dig_fe is found then find dig_be which selects found dig_be and
- * insure that it enable and in DP_SST mode.
- * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
- * from dp symbols clocks .
- */
-static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
-					       unsigned crtc_id, unsigned *ret_dig_fe)
-{
-	unsigned i;
-	unsigned dig_fe;
-	unsigned dig_be;
-	unsigned dig_en_be;
-	unsigned uniphy_pll;
-	unsigned digs_fe_selected;
-	unsigned dig_be_mode;
-	unsigned dig_fe_mask;
-	bool is_enabled = false;
-	bool found_crtc = false;
-
-	/* loop through all running dig_fe to find selected crtc */
-	for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
-		dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
-		if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
-		    crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
-			/* found running pipe */
-			found_crtc = true;
-			dig_fe_mask = 1 << i;
-			dig_fe = i;
-			break;
-		}
-	}
-
-	if (found_crtc) {
-		/* loop through all running dig_be to find selected dig_fe */
-		for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
-			dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
-			/* if dig_fe_selected by dig_be? */
-			digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
-			dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
-			if (dig_fe_mask &  digs_fe_selected &&
-			    /* if dig_be in sst mode? */
-			    dig_be_mode == NI_DIG_BE_DPSST) {
-				dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
-						   ni_dig_offsets[i]);
-				uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
-						    ni_tx_offsets[i]);
-				/* dig_be enable and tx is running */
-				if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
-				    dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
-				    uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
-					is_enabled = true;
-					*ret_dig_fe = dig_fe;
-					break;
-				}
-			}
-		}
-	}
-
-	return is_enabled;
-}
-
-/*
- * Blank dig when in dp sst mode
- * Dig ignores crtc timing
- */
-static void evergreen_blank_dp_output(struct radeon_device *rdev,
-				      unsigned dig_fe)
-{
-	unsigned stream_ctrl;
-	unsigned fifo_ctrl;
-	unsigned counter = 0;
-
-	if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
-		DRM_ERROR("invalid dig_fe %d\n", dig_fe);
-		return;
-	}
-
-	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
-			     evergreen_dp_offsets[dig_fe]);
-	if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
-		DRM_ERROR("dig %d , should be enable\n", dig_fe);
-		return;
-	}
-
-	stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
-	WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
-	       evergreen_dp_offsets[dig_fe], stream_ctrl);
-
-	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
-			     evergreen_dp_offsets[dig_fe]);
-	while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
-		msleep(1);
-		counter++;
-		stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
-				     evergreen_dp_offsets[dig_fe]);
-	}
-	if (counter >= 32 )
-		DRM_ERROR("counter exceeds %d\n", counter);
-
-	fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
-	fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
-	WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
-
-}
-
 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 {
 	u32 crtc_enabled, tmp, frame_count, blackout;
 	int i, j;
-	unsigned dig_fe;
 
 	if (!ASIC_IS_NODCE(rdev)) {
 		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
@@ -2793,17 +2651,7 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
 					break;
 				udelay(1);
 			}
-			/*we should disable dig if it drives dp sst*/
-			/*but we are in radeon_device_init and the topology is unknown*/
-			/*and it is available after radeon_modeset_init*/
-			/*the following method radeon_atom_encoder_dpms_dig*/
-			/*does the job if we initialize it properly*/
-			/*for now we do it this manually*/
-			/**/
-			if (ASIC_IS_DCE5(rdev) &&
-			    evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
-				evergreen_blank_dp_output(rdev, dig_fe);
-			/*we could remove 6 lines below*/
+
 			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index b436badf9efa..aa939dfed3a3 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -250,43 +250,8 @@
 
 /* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */
 #define EVERGREEN_HDMI_BASE				0x7030
-/*DIG block*/
-#define NI_DIG0_REGISTER_OFFSET                 (0x7000  - 0x7000)
-#define NI_DIG1_REGISTER_OFFSET                 (0x7C00  - 0x7000)
-#define NI_DIG2_REGISTER_OFFSET                 (0x10800 - 0x7000)
-#define NI_DIG3_REGISTER_OFFSET                 (0x11400 - 0x7000)
-#define NI_DIG4_REGISTER_OFFSET                 (0x12000 - 0x7000)
-#define NI_DIG5_REGISTER_OFFSET                 (0x12C00 - 0x7000)
-
-
-#define NI_DIG_FE_CNTL                               0x7000
-#       define NI_DIG_FE_CNTL_SOURCE_SELECT(x)        ((x) & 0x3)
-#       define NI_DIG_FE_CNTL_SYMCLK_FE_ON            (1<<24)
-
-
-#define NI_DIG_BE_CNTL                    0x7140
-#       define NI_DIG_BE_CNTL_FE_SOURCE_SELECT(x)     (((x) >> 8 ) & 0x3F)
-#       define NI_DIG_FE_CNTL_MODE(x)                 (((x) >> 16) & 0x7 )
-
-#define NI_DIG_BE_EN_CNTL                              0x7144
-#       define NI_DIG_BE_EN_CNTL_ENABLE               (1 << 0)
-#       define NI_DIG_BE_EN_CNTL_SYMBCLK_ON           (1 << 8)
-#       define NI_DIG_BE_DPSST 0
 
 /* Display Port block */
-#define EVERGREEN_DP0_REGISTER_OFFSET                 (0x730C  - 0x730C)
-#define EVERGREEN_DP1_REGISTER_OFFSET                 (0x7F0C  - 0x730C)
-#define EVERGREEN_DP2_REGISTER_OFFSET                 (0x10B0C - 0x730C)
-#define EVERGREEN_DP3_REGISTER_OFFSET                 (0x1170C - 0x730C)
-#define EVERGREEN_DP4_REGISTER_OFFSET                 (0x1230C - 0x730C)
-#define EVERGREEN_DP5_REGISTER_OFFSET                 (0x12F0C - 0x730C)
-
-
-#define EVERGREEN_DP_VID_STREAM_CNTL                    0x730C
-#       define EVERGREEN_DP_VID_STREAM_CNTL_ENABLE     (1 << 0)
-#       define EVERGREEN_DP_VID_STREAM_STATUS          (1 <<16)
-#define EVERGREEN_DP_STEER_FIFO                         0x7310
-#       define EVERGREEN_DP_STEER_FIFO_RESET           (1 << 0)
 #define EVERGREEN_DP_SEC_CNTL                           0x7280
 #       define EVERGREEN_DP_SEC_STREAM_ENABLE           (1 << 0)
 #       define EVERGREEN_DP_SEC_ASP_ENABLE              (1 << 4)
@@ -301,15 +266,4 @@
 #       define EVERGREEN_DP_SEC_N_BASE_MULTIPLE(x)      (((x) & 0xf) << 24)
 #       define EVERGREEN_DP_SEC_SS_EN                   (1 << 28)
 
-/*DCIO_UNIPHY block*/
-#define NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1            (0x6600  -0x6600)
-#define NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1            (0x6640  -0x6600)
-#define NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1            (0x6680 - 0x6600)
-#define NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1            (0x66C0 - 0x6600)
-#define NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1            (0x6700 - 0x6600)
-#define NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1            (0x6740 - 0x6600)
-
-#define NI_DCIO_UNIPHY0_PLL_CONTROL1                   0x6618
-#       define NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE     (1 << 0)
-
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index c4b4f298a283..9bc408c9f9f6 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -62,6 +62,10 @@ bool radeon_has_atpx(void) {
 	return radeon_atpx_priv.atpx_detected;
 }
 
+bool radeon_has_atpx_dgpu_power_cntl(void) {
+	return radeon_atpx_priv.atpx.functions.power_cntl;
+}
+
 /**
  * radeon_atpx_call - call an ATPX method
  *
@@ -141,10 +145,6 @@ static void radeon_atpx_parse_functions(struct radeon_atpx_functions *f, u32 mas
  */
 static int radeon_atpx_validate(struct radeon_atpx *atpx)
 {
-	/* make sure required functions are enabled */
-	/* dGPU power control is required */
-	atpx->functions.power_cntl = true;
-
 	if (atpx->functions.px_params) {
 		union acpi_object *info;
 		struct atpx_px_params output;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 9cfc1c3e1965..340f3f549f29 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1996,12 +1996,10 @@ radeon_add_atom_connector(struct drm_device *dev,
 						   rdev->mode_info.dither_property,
 						   RADEON_FMT_DITHER_DISABLE);
 
-			if (radeon_audio != 0) {
+			if (radeon_audio != 0)
 				drm_object_attach_property(&radeon_connector->base.base,
 							   rdev->mode_info.audio_property,
 							   RADEON_AUDIO_AUTO);
-				radeon_connector->audio = RADEON_AUDIO_AUTO;
-			}
 			if (ASIC_IS_DCE5(rdev))
 				drm_object_attach_property(&radeon_connector->base.base,
 							   rdev->mode_info.output_csc_property,
@@ -2126,7 +2124,6 @@ radeon_add_atom_connector(struct drm_device *dev,
 				drm_object_attach_property(&radeon_connector->base.base,
 							   rdev->mode_info.audio_property,
 							   RADEON_AUDIO_AUTO);
-				radeon_connector->audio = RADEON_AUDIO_AUTO;
 			}
 			if (connector_type == DRM_MODE_CONNECTOR_DVII) {
 				radeon_connector->dac_load_detect = true;
@@ -2182,7 +2179,6 @@ radeon_add_atom_connector(struct drm_device *dev,
 				drm_object_attach_property(&radeon_connector->base.base,
 							   rdev->mode_info.audio_property,
 							   RADEON_AUDIO_AUTO);
-				radeon_connector->audio = RADEON_AUDIO_AUTO;
 			}
 			if (ASIC_IS_DCE5(rdev))
 				drm_object_attach_property(&radeon_connector->base.base,
@@ -2235,7 +2231,6 @@ radeon_add_atom_connector(struct drm_device *dev,
 				drm_object_attach_property(&radeon_connector->base.base,
 							   rdev->mode_info.audio_property,
 							   RADEON_AUDIO_AUTO);
-				radeon_connector->audio = RADEON_AUDIO_AUTO;
 			}
 			if (ASIC_IS_DCE5(rdev))
 				drm_object_attach_property(&radeon_connector->base.base,
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c566993a2ec3..f78f111e68de 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -103,6 +103,12 @@ static const char radeon_family_name[][16] = {
 	"LAST",
 };
 
+#if defined(CONFIG_VGA_SWITCHEROO)
+bool radeon_has_atpx_dgpu_power_cntl(void);
+#else
+static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
+#endif
+
 #define RADEON_PX_QUIRK_DISABLE_PX  (1 << 0)
 #define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)
 
@@ -1433,7 +1439,7 @@ int radeon_device_init(struct radeon_device *rdev,
 	 * ignore it */
 	vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
 
-	if (rdev->flags & RADEON_IS_PX)
+	if ((rdev->flags & RADEON_IS_PX) && radeon_has_atpx_dgpu_power_cntl())
 		runtime = true;
 	vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime);
 	if (runtime)
diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
index db64e0062689..3b0c229d7dcd 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
@@ -105,7 +105,7 @@ radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg
 
 	tmp &= AUX_HPD_SEL(0x7);
 	tmp |= AUX_HPD_SEL(chan->rec.hpd);
-	tmp |= AUX_EN | AUX_LS_READ_EN | AUX_HPD_DISCON(0x1);
+	tmp |= AUX_EN | AUX_LS_READ_EN;
 
 	WREG32(AUX_CONTROL + aux_offset[instance], tmp);
 
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f342aad79cc6..e06ac546a90f 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -235,8 +235,6 @@ static int radeon_verify_access(struct ttm_buffer_object *bo, struct file *filp)
 {
 	struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
 
-	if (radeon_ttm_tt_has_userptr(bo->ttm))
-		return -EPERM;
 	return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp);
 }
 
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index caa73de584a5..7285adb27099 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2931,7 +2931,6 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = {
 	{ PCI_VENDOR_ID_ATI, 0x6811, 0x1462, 0x2015, 0, 120000 },
 	{ PCI_VENDOR_ID_ATI, 0x6811, 0x1043, 0x2015, 0, 120000 },
 	{ PCI_VENDOR_ID_ATI, 0x6811, 0x148c, 0x2015, 0, 120000 },
-	{ PCI_VENDOR_ID_ATI, 0x6810, 0x1682, 0x9275, 0, 120000 },
 	{ 0, 0, 0, 0 },
 };
 
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 0585fd2031dd..a0e28f3a278d 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1068,6 +1068,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
 			goto err_register;
 		}
 
+		pdev->dev.of_node = of_node;
 		pdev->dev.parent = dev;
 
 		ret = platform_device_add_data(pdev, &reg->pdata,
@@ -1078,12 +1079,6 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
 			platform_device_put(pdev);
 			goto err_register;
 		}
-
-		/*
-		 * Set of_node only after calling platform_device_add. Otherwise
-		 * the platform:imx-ipuv3-crtc modalias won't be used.
-		 */
-		pdev->dev.of_node = of_node;
 	}
 
 	return 0;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 909ab0176ef2..8b78a7f1f779 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -255,7 +255,6 @@
 #define USB_DEVICE_ID_CORSAIR_K90	0x1b02
 
 #define USB_VENDOR_ID_CREATIVELABS	0x041e
-#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51	0x322c
 #define USB_DEVICE_ID_PRODIKEYS_PCMIDI	0x2801
 
 #define USB_VENDOR_ID_CVTOUCH		0x1ff7
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index dc8e6adf95a4..7dd0953cd70f 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -70,7 +70,6 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 5c02d7bbc7f2..3c0f47ac8e53 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -3449,10 +3449,6 @@ static const struct wacom_features wacom_features_0x33E =
 	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
 	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
 	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
-static const struct wacom_features wacom_features_0x343 =
-	{ "Wacom DTK1651", 34616, 19559, 1023, 0,
-	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
-	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
 
 static const struct wacom_features wacom_features_HID_ANY_ID =
 	{ "Wacom HID", .type = HID_GENERIC };
@@ -3618,7 +3614,6 @@ const struct hid_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0x33C) },
 	{ USB_DEVICE_WACOM(0x33D) },
 	{ USB_DEVICE_WACOM(0x33E) },
-	{ USB_DEVICE_WACOM(0x343) },
 	{ USB_DEVICE_WACOM(0x4001) },
 	{ USB_DEVICE_WACOM(0x4004) },
 	{ USB_DEVICE_WACOM(0x5000) },
diff --git a/drivers/hwtracing/stm/Kconfig b/drivers/hwtracing/stm/Kconfig
index e7a348807f0c..83e9f591a54b 100644
--- a/drivers/hwtracing/stm/Kconfig
+++ b/drivers/hwtracing/stm/Kconfig
@@ -1,7 +1,6 @@
 config STM
 	tristate "System Trace Module devices"
 	select CONFIGFS_FS
-	select SRCU
 	help
 	  A System Trace Module (STM) is a device exporting data in System
 	  Trace Protocol (STP) format as defined by MIPI STP standards.
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index b167ab25310a..714bdc837769 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -116,8 +116,8 @@ struct cpm_i2c {
 	cbd_t __iomem *rbase;
 	u_char *txbuf[CPM_MAXBD];
 	u_char *rxbuf[CPM_MAXBD];
-	dma_addr_t txdma[CPM_MAXBD];
-	dma_addr_t rxdma[CPM_MAXBD];
+	u32 txdma[CPM_MAXBD];
+	u32 rxdma[CPM_MAXBD];
 };
 
 static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id)
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index f54ece8fce78..b29c7500461a 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -671,9 +671,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
 		return -EIO;
 	}
 
-	ret = clk_enable(i2c->clk);
-	if (ret)
-		return ret;
+	clk_prepare_enable(i2c->clk);
 
 	for (i = 0; i < num; i++, msgs++) {
 		stop = (i == num - 1);
@@ -697,7 +695,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
 	}
 
  out:
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 	return ret;
 }
 
@@ -749,9 +747,7 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	ret = clk_prepare_enable(i2c->clk);
-	if (ret)
-		return ret;
+	clk_prepare_enable(i2c->clk);
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	i2c->regs = devm_ioremap_resource(&pdev->dev, mem);
@@ -803,10 +799,6 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, i2c);
 
-	clk_disable(i2c->clk);
-
-	return 0;
-
  err_clk:
 	clk_disable_unprepare(i2c->clk);
 	return ret;
@@ -818,8 +810,6 @@ static int exynos5_i2c_remove(struct platform_device *pdev)
 
 	i2c_del_adapter(&i2c->adap);
 
-	clk_unprepare(i2c->clk);
-
 	return 0;
 }
 
@@ -831,8 +821,6 @@ static int exynos5_i2c_suspend_noirq(struct device *dev)
 
 	i2c->suspended = 1;
 
-	clk_unprepare(i2c->clk);
-
 	return 0;
 }
 
@@ -842,9 +830,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
 	struct exynos5_i2c *i2c = platform_get_drvdata(pdev);
 	int ret = 0;
 
-	ret = clk_prepare_enable(i2c->clk);
-	if (ret)
-		return ret;
+	clk_prepare_enable(i2c->clk);
 
 	ret = exynos5_hsi2c_clock_setup(i2c);
 	if (ret) {
@@ -853,7 +839,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
 	}
 
 	exynos5_i2c_init(i2c);
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 	i2c->suspended = 0;
 
 	return 0;
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index f2a7f72f7aa6..b13936dacc78 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -462,8 +462,6 @@ static int ak8975_setup_irq(struct ak8975_data *data)
 	int rc;
 	int irq;
 
-	init_waitqueue_head(&data->data_ready_queue);
-	clear_bit(0, &data->flags);
 	if (client->irq)
 		irq = client->irq;
 	else
@@ -479,6 +477,8 @@ static int ak8975_setup_irq(struct ak8975_data *data)
 		return rc;
 	}
 
+	init_waitqueue_head(&data->data_ready_queue);
+	clear_bit(0, &data->flags);
 	data->eoc_irq = irq;
 
 	return rc;
@@ -732,7 +732,7 @@ static int ak8975_probe(struct i2c_client *client,
 	int eoc_gpio;
 	int err;
 	const char *name = NULL;
-	enum asahi_compass_chipset chipset = AK_MAX_TYPE;
+	enum asahi_compass_chipset chipset;
 
 	/* Grab and set up the supplied GPIO. */
 	if (client->dev.platform_data)
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 564adf3116e8..6b4e8a008bc0 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -48,7 +48,6 @@
 
 #include <asm/uaccess.h>
 
-#include <rdma/ib.h>
 #include <rdma/ib_cm.h>
 #include <rdma/ib_user_cm.h>
 #include <rdma/ib_marshall.h>
@@ -1104,9 +1103,6 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf,
 	struct ib_ucm_cmd_hdr hdr;
 	ssize_t result;
 
-	if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
-		return -EACCES;
-
 	if (len < sizeof(hdr))
 		return -EINVAL;
 
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 886f61ea6cc7..8b5a934e1133 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1574,9 +1574,6 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf,
 	struct rdma_ucm_cmd_hdr hdr;
 	ssize_t ret;
 
-	if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
-		return -EACCES;
-
 	if (len < sizeof(hdr))
 		return -EINVAL;
 
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 24f3ca2c4ad7..e3ef28861be6 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -48,8 +48,6 @@
 
 #include <asm/uaccess.h>
 
-#include <rdma/ib.h>
-
 #include "uverbs.h"
 
 MODULE_AUTHOR("Roland Dreier");
@@ -684,9 +682,6 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
 	int srcu_key;
 	ssize_t ret;
 
-	if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
-		return -EACCES;
-
 	if (count < sizeof hdr)
 		return -EINVAL;
 
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index bc147582bed9..de9cd6901752 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -162,7 +162,7 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
 	cq->bar2_va = c4iw_bar2_addrs(rdev, cq->cqid, T4_BAR2_QTYPE_INGRESS,
 				      &cq->bar2_qid,
 				      user ? &cq->bar2_pa : NULL);
-	if (user && !cq->bar2_pa) {
+	if (user && !cq->bar2_va) {
 		pr_warn(MOD "%s: cqid %u not in BAR2 range.\n",
 			pci_name(rdev->lldi.pdev), cq->cqid);
 		ret = -EINVAL;
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 53aa7515f542..aa515afee724 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -185,10 +185,6 @@ void __iomem *c4iw_bar2_addrs(struct c4iw_rdev *rdev, unsigned int qid,
 
 	if (pbar2_pa)
 		*pbar2_pa = (rdev->bar2_pa + bar2_qoffset) & PAGE_MASK;
-
-	if (is_t4(rdev->lldi.adapter_type))
-		return NULL;
-
 	return rdev->bar2_kva + bar2_qoffset;
 }
 
@@ -274,7 +270,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
 	/*
 	 * User mode must have bar2 access.
 	 */
-	if (user && (!wq->sq.bar2_pa || !wq->rq.bar2_pa)) {
+	if (user && (!wq->sq.bar2_va || !wq->rq.bar2_va)) {
 		pr_warn(MOD "%s: sqid %u or rqid %u not in BAR2 range.\n",
 			pci_name(rdev->lldi.pdev), wq->sq.qid, wq->rq.qid);
 		goto free_dma;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index fd17443aeacd..c4e091528390 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -273,7 +273,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
 		     sizeof(struct mlx5_wqe_ctrl_seg)) /
 		     sizeof(struct mlx5_wqe_data_seg);
 	props->max_sge = min(max_rq_sg, max_sq_sg);
-	props->max_sge_rd	   = MLX5_MAX_SGE_RD;
+	props->max_sge_rd = props->max_sge;
 	props->max_cq		   = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
 	props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1;
 	props->max_mr		   = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
@@ -405,8 +405,8 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
 	struct mlx5_ib_dev *dev = to_mdev(ibdev);
 	struct mlx5_core_dev *mdev = dev->mdev;
 	struct mlx5_hca_vport_context *rep;
-	u16 max_mtu;
-	u16 oper_mtu;
+	int max_mtu;
+	int oper_mtu;
 	int err;
 	u8 ib_link_width_oper;
 	u8 vl_hw_cap;
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 24f4a782e0f4..e449e394963f 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -45,8 +45,6 @@
 #include <linux/export.h>
 #include <linux/uio.h>
 
-#include <rdma/ib.h>
-
 #include "qib.h"
 #include "qib_common.h"
 #include "qib_user_sdma.h"
@@ -2069,9 +2067,6 @@ static ssize_t qib_write(struct file *fp, const char __user *data,
 	ssize_t ret = 0;
 	void *dest;
 
-	if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
-		return -EACCES;
-
 	if (count < sizeof(cmd.type)) {
 		ret = -EINVAL;
 		goto bail;
diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c
index 8d6326d7e7be..a806ba3818f7 100644
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@@ -255,14 +255,12 @@ static int max8997_haptic_probe(struct platform_device *pdev)
 	struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent);
 	const struct max8997_platform_data *pdata =
 					dev_get_platdata(iodev->dev);
-	const struct max8997_haptic_platform_data *haptic_pdata = NULL;
+	const struct max8997_haptic_platform_data *haptic_pdata =
+					pdata->haptic_pdata;
 	struct max8997_haptic *chip;
 	struct input_dev *input_dev;
 	int error;
 
-	if (pdata)
-		haptic_pdata = pdata->haptic_pdata;
-
 	if (!haptic_pdata) {
 		dev_err(&pdev->dev, "no haptic platform data\n");
 		return -EINVAL;
diff --git a/drivers/input/misc/pmic8xxx-pwrkey.c b/drivers/input/misc/pmic8xxx-pwrkey.c
index 67aab86048ad..3f02e0e03d12 100644
--- a/drivers/input/misc/pmic8xxx-pwrkey.c
+++ b/drivers/input/misc/pmic8xxx-pwrkey.c
@@ -353,8 +353,7 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
 	if (of_property_read_u32(pdev->dev.of_node, "debounce", &kpd_delay))
 		kpd_delay = 15625;
 
-	/* Valid range of pwr key trigger delay is 1/64 sec to 2 seconds. */
-	if (kpd_delay > USEC_PER_SEC * 2 || kpd_delay < USEC_PER_SEC / 64) {
+	if (kpd_delay > 62500 || kpd_delay == 0) {
 		dev_err(&pdev->dev, "invalid power key trigger delay\n");
 		return -EINVAL;
 	}
@@ -386,8 +385,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
 	pwr->name = "pmic8xxx_pwrkey";
 	pwr->phys = "pmic8xxx_pwrkey/input0";
 
-	delay = (kpd_delay << 6) / USEC_PER_SEC;
-	delay = ilog2(delay);
+	delay = (kpd_delay << 10) / USEC_PER_SEC;
+	delay = 1 + ilog2(delay);
 
 	err = regmap_read(regmap, PON_CNTL_1, &pon_cntl);
 	if (err < 0) {
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 7c18249d6c8e..3a7f3a4a4396 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -858,14 +858,6 @@ static int gtco_probe(struct usb_interface *usbinterface,
 		goto err_free_buf;
 	}
 
-	/* Sanity check that a device has an endpoint */
-	if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) {
-		dev_err(&usbinterface->dev,
-			"Invalid number of endpoints\n");
-		error = -EINVAL;
-		goto err_free_urb;
-	}
-
 	/*
 	 * The endpoint is always altsetting 0, we know this since we know
 	 * this device only has one interrupt endpoint
@@ -887,7 +879,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
 	 * HID report descriptor
 	 */
 	if (usb_get_extra_descriptor(usbinterface->cur_altsetting,
-				     HID_DEVICE_TYPE, &hid_desc) != 0) {
+				     HID_DEVICE_TYPE, &hid_desc) != 0){
 		dev_err(&usbinterface->dev,
 			"Can't retrieve exta USB descriptor to get hid report descriptor length\n");
 		error = -EIO;
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 7b3845aa5983..9bbadaaf6bc3 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -370,8 +370,8 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
 			point.coord_x = point.coord_y = 0;
 		}
 
-		point.state = payload[9 * i + 5] & 0x0f;
-		point.id = (payload[9 * i + 5] & 0xf0) >> 4;
+		point.state = payload[9 * i + 5] & 0x03;
+		point.id = (payload[9 * i + 5] & 0xfc) >> 2;
 
 		/* determine touch major, minor and orientation */
 		point.area_major = max(payload[9 * i + 6],
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b9319b76a8a1..fc836f523afa 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -91,7 +91,6 @@ struct iommu_dev_data {
 	struct list_head dev_data_list;	  /* For global dev_data_list */
 	struct protection_domain *domain; /* Domain the device is bound to */
 	u16 devid;			  /* PCI Device ID */
-	u16 alias;			  /* Alias Device ID */
 	bool iommu_v2;			  /* Device can make use of IOMMUv2 */
 	bool passthrough;		  /* Device is identity mapped */
 	struct {
@@ -126,13 +125,6 @@ static struct protection_domain *to_pdomain(struct iommu_domain *dom)
 	return container_of(dom, struct protection_domain, domain);
 }
 
-static inline u16 get_device_id(struct device *dev)
-{
-	struct pci_dev *pdev = to_pci_dev(dev);
-
-	return PCI_DEVID(pdev->bus->number, pdev->devfn);
-}
-
 static struct iommu_dev_data *alloc_dev_data(u16 devid)
 {
 	struct iommu_dev_data *dev_data;
@@ -170,68 +162,6 @@ out_unlock:
 	return dev_data;
 }
 
-static int __last_alias(struct pci_dev *pdev, u16 alias, void *data)
-{
-	*(u16 *)data = alias;
-	return 0;
-}
-
-static u16 get_alias(struct device *dev)
-{
-	struct pci_dev *pdev = to_pci_dev(dev);
-	u16 devid, ivrs_alias, pci_alias;
-
-	devid = get_device_id(dev);
-	ivrs_alias = amd_iommu_alias_table[devid];
-	pci_for_each_dma_alias(pdev, __last_alias, &pci_alias);
-
-	if (ivrs_alias == pci_alias)
-		return ivrs_alias;
-
-	/*
-	 * DMA alias showdown
-	 *
-	 * The IVRS is fairly reliable in telling us about aliases, but it
-	 * can't know about every screwy device.  If we don't have an IVRS
-	 * reported alias, use the PCI reported alias.  In that case we may
-	 * still need to initialize the rlookup and dev_table entries if the
-	 * alias is to a non-existent device.
-	 */
-	if (ivrs_alias == devid) {
-		if (!amd_iommu_rlookup_table[pci_alias]) {
-			amd_iommu_rlookup_table[pci_alias] =
-				amd_iommu_rlookup_table[devid];
-			memcpy(amd_iommu_dev_table[pci_alias].data,
-			       amd_iommu_dev_table[devid].data,
-			       sizeof(amd_iommu_dev_table[pci_alias].data));
-		}
-
-		return pci_alias;
-	}
-
-	pr_info("AMD-Vi: Using IVRS reported alias %02x:%02x.%d "
-		"for device %s[%04x:%04x], kernel reported alias "
-		"%02x:%02x.%d\n", PCI_BUS_NUM(ivrs_alias), PCI_SLOT(ivrs_alias),
-		PCI_FUNC(ivrs_alias), dev_name(dev), pdev->vendor, pdev->device,
-		PCI_BUS_NUM(pci_alias), PCI_SLOT(pci_alias),
-		PCI_FUNC(pci_alias));
-
-	/*
-	 * If we don't have a PCI DMA alias and the IVRS alias is on the same
-	 * bus, then the IVRS table may know about a quirk that we don't.
-	 */
-	if (pci_alias == devid &&
-	    PCI_BUS_NUM(ivrs_alias) == pdev->bus->number) {
-		pdev->dev_flags |= PCI_DEV_FLAGS_DMA_ALIAS_DEVFN;
-		pdev->dma_alias_devfn = ivrs_alias & 0xff;
-		pr_info("AMD-Vi: Added PCI DMA alias %02x.%d for %s\n",
-			PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias),
-			dev_name(dev));
-	}
-
-	return ivrs_alias;
-}
-
 static struct iommu_dev_data *find_dev_data(u16 devid)
 {
 	struct iommu_dev_data *dev_data;
@@ -244,6 +174,13 @@ static struct iommu_dev_data *find_dev_data(u16 devid)
 	return dev_data;
 }
 
+static inline u16 get_device_id(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	return PCI_DEVID(pdev->bus->number, pdev->devfn);
+}
+
 static struct iommu_dev_data *get_dev_data(struct device *dev)
 {
 	return dev->archdata.iommu;
@@ -371,8 +308,6 @@ static int iommu_init_device(struct device *dev)
 	if (!dev_data)
 		return -ENOMEM;
 
-	dev_data->alias = get_alias(dev);
-
 	if (pci_iommuv2_capable(pdev)) {
 		struct amd_iommu *iommu;
 
@@ -393,7 +328,7 @@ static void iommu_ignore_device(struct device *dev)
 	u16 devid, alias;
 
 	devid = get_device_id(dev);
-	alias = get_alias(dev);
+	alias = amd_iommu_alias_table[devid];
 
 	memset(&amd_iommu_dev_table[devid], 0, sizeof(struct dev_table_entry));
 	memset(&amd_iommu_dev_table[alias], 0, sizeof(struct dev_table_entry));
@@ -1082,7 +1017,7 @@ static int device_flush_dte(struct iommu_dev_data *dev_data)
 	int ret;
 
 	iommu = amd_iommu_rlookup_table[dev_data->devid];
-	alias = dev_data->alias;
+	alias = amd_iommu_alias_table[dev_data->devid];
 
 	ret = iommu_flush_dte(iommu, dev_data->devid);
 	if (!ret && alias != dev_data->devid)
@@ -1956,7 +1891,7 @@ static void do_attach(struct iommu_dev_data *dev_data,
 	bool ats;
 
 	iommu = amd_iommu_rlookup_table[dev_data->devid];
-	alias = dev_data->alias;
+	alias = amd_iommu_alias_table[dev_data->devid];
 	ats   = dev_data->ats.enabled;
 
 	/* Update data structures */
@@ -1990,7 +1925,7 @@ static void do_detach(struct iommu_dev_data *dev_data)
 		return;
 
 	iommu = amd_iommu_rlookup_table[dev_data->devid];
-	alias = dev_data->alias;
+	alias = amd_iommu_alias_table[dev_data->devid];
 
 	/* decrease reference counters */
 	dev_data->domain->dev_iommu[iommu->index] -= 1;
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 58f2fe687a24..72d6182666cb 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -403,7 +403,7 @@ static int __finalise_sg(struct device *dev, struct scatterlist *sg, int nents,
 		unsigned int s_length = sg_dma_len(s);
 		unsigned int s_dma_len = s->length;
 
-		s->offset += s_offset;
+		s->offset = s_offset;
 		s->length = s_length;
 		sg_dma_address(s) = dma_addr + s_offset;
 		dma_addr += s_dma_len;
@@ -422,7 +422,7 @@ static void __invalidate_sg(struct scatterlist *sg, int nents)
 
 	for_each_sg(sg, s, nents, i) {
 		if (sg_dma_address(s) != DMA_ERROR_CODE)
-			s->offset += sg_dma_address(s);
+			s->offset = sg_dma_address(s);
 		if (sg_dma_len(s))
 			s->length = sg_dma_len(s);
 		sg_dma_address(s) = DMA_ERROR_CODE;
diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c
index 17304705f2cf..efe50845939d 100644
--- a/drivers/irqchip/irq-mxs.c
+++ b/drivers/irqchip/irq-mxs.c
@@ -183,7 +183,7 @@ static void __iomem * __init icoll_init_iobase(struct device_node *np)
 	void __iomem *icoll_base;
 
 	icoll_base = of_io_request_and_map(np, 0, np->name);
-	if (IS_ERR(icoll_base))
+	if (!icoll_base)
 		panic("%s: unable to map resource", np->full_name);
 	return icoll_base;
 }
diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c
index 1254e98f6b57..4ef178078e5b 100644
--- a/drivers/irqchip/irq-sunxi-nmi.c
+++ b/drivers/irqchip/irq-sunxi-nmi.c
@@ -154,9 +154,9 @@ static int __init sunxi_sc_nmi_irq_init(struct device_node *node,
 
 	gc = irq_get_domain_generic_chip(domain, 0);
 	gc->reg_base = of_io_request_and_map(node, 0, of_node_full_name(node));
-	if (IS_ERR(gc->reg_base)) {
+	if (!gc->reg_base) {
 		pr_err("unable to map resource\n");
-		ret = PTR_ERR(gc->reg_base);
+		ret = -ENOMEM;
 		goto fail_irqd_remove;
 	}
 
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 3970cda10080..27f2ef300f8b 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -867,55 +867,39 @@ static int blocks_are_unmapped_or_clean(struct dm_cache_metadata *cmd,
 	return 0;
 }
 
-static bool cmd_write_lock(struct dm_cache_metadata *cmd)
-{
-	down_write(&cmd->root_lock);
-	if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) {
-		up_write(&cmd->root_lock);
-		return false;
+#define WRITE_LOCK(cmd)	\
+	down_write(&cmd->root_lock); \
+	if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+		up_write(&cmd->root_lock); \
+		return -EINVAL; \
 	}
-	return true;
-}
-
-#define WRITE_LOCK(cmd)				\
-	do {					\
-		if (!cmd_write_lock((cmd)))	\
-			return -EINVAL;		\
-	} while(0)
 
-#define WRITE_LOCK_VOID(cmd)			\
-	do {					\
-		if (!cmd_write_lock((cmd)))	\
-			return;			\
-	} while(0)
+#define WRITE_LOCK_VOID(cmd) \
+	down_write(&cmd->root_lock); \
+	if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+		up_write(&cmd->root_lock); \
+		return; \
+	}
 
 #define WRITE_UNLOCK(cmd) \
-	up_write(&(cmd)->root_lock)
+	up_write(&cmd->root_lock)
 
-static bool cmd_read_lock(struct dm_cache_metadata *cmd)
-{
-	down_read(&cmd->root_lock);
-	if (cmd->fail_io) {
-		up_read(&cmd->root_lock);
-		return false;
+#define READ_LOCK(cmd) \
+	down_read(&cmd->root_lock); \
+	if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+		up_read(&cmd->root_lock); \
+		return -EINVAL; \
 	}
-	return true;
-}
-
-#define READ_LOCK(cmd)				\
-	do {					\
-		if (!cmd_read_lock((cmd)))	\
-			return -EINVAL;		\
-	} while(0)
 
-#define READ_LOCK_VOID(cmd)			\
-	do {					\
-		if (!cmd_read_lock((cmd)))	\
-			return;			\
-	} while(0)
+#define READ_LOCK_VOID(cmd)	\
+	down_read(&cmd->root_lock); \
+	if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+		up_read(&cmd->root_lock); \
+		return; \
+	}
 
 #define READ_UNLOCK(cmd) \
-	up_read(&(cmd)->root_lock)
+	up_read(&cmd->root_lock)
 
 int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size)
 {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c57fdf847b47..b1e1f6b95782 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -293,8 +293,6 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
 	 * go away inside make_request
 	 */
 	sectors = bio_sectors(bio);
-	/* bio could be mergeable after passing to underlayer */
-	bio->bi_rw &= ~REQ_NOMERGE;
 	mddev->pers->make_request(mddev, bio);
 
 	cpu = part_stat_lock();
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 11f39791ec33..33bdd81065e8 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1502,7 +1502,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
  * Will sleep if required for nonblocking == false.
  */
 static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
-			     void *pb, int nonblocking)
+				int nonblocking)
 {
 	unsigned long flags;
 	int ret;
@@ -1523,10 +1523,10 @@ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
 	/*
 	 * Only remove the buffer from done_list if v4l2_buffer can handle all
 	 * the planes.
+	 * Verifying planes is NOT necessary since it already has been checked
+	 * before the buffer is queued/prepared. So it can never fail.
 	 */
-	ret = call_bufop(q, verify_planes_array, *vb, pb);
-	if (!ret)
-		list_del(&(*vb)->done_entry);
+	list_del(&(*vb)->done_entry);
 	spin_unlock_irqrestore(&q->done_lock, flags);
 
 	return ret;
@@ -1604,7 +1604,7 @@ int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking)
 	struct vb2_buffer *vb = NULL;
 	int ret;
 
-	ret = __vb2_get_done_vb(q, &vb, pb, nonblocking);
+	ret = __vb2_get_done_vb(q, &vb, nonblocking);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c
index 3c3b517f1d1c..dbec5923fcf0 100644
--- a/drivers/media/v4l2-core/videobuf2-memops.c
+++ b/drivers/media/v4l2-core/videobuf2-memops.c
@@ -49,7 +49,7 @@ struct frame_vector *vb2_create_framevec(unsigned long start,
 	vec = frame_vector_create(nr);
 	if (!vec)
 		return ERR_PTR(-ENOMEM);
-	ret = get_vaddr_frames(start & PAGE_MASK, nr, write, true, vec);
+	ret = get_vaddr_frames(start, nr, write, 1, vec);
 	if (ret < 0)
 		goto out_destroy;
 	/* We accept only complete set of PFNs */
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index 68aa31ae553a..6255513f54c7 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -445,7 +445,6 @@ int intel_lpss_probe(struct device *dev,
 err_remove_ltr:
 	intel_lpss_debugfs_remove(lpss);
 	intel_lpss_ltr_hide(lpss);
-	intel_lpss_unregister_clock(lpss);
 
 err_clk_register:
 	ida_simple_remove(&intel_lpss_devid_ida, lpss->devid);
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 9f0d9b7b7e17..8a08ca61062a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -439,7 +439,7 @@ config ARM_CHARLCD
 	  still useful.
 
 config BMP085
-	tristate
+	bool
 	depends on SYSFS
 
 config BMP085_I2C
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index f1a0b99f5a9a..15e88078ba1e 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
 			 */
 			value = swab16(value);
 
-			if (dpot->uid == DPOT_UID(AD5274_ID))
+			if (dpot->uid == DPOT_UID(AD5271_ID))
 				value = value >> 2;
 		return value;
 	default:
diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index efbb6945eb18..09a406058c46 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -288,6 +288,7 @@ unsigned int cxl_map_irq(struct cxl *adapter, irq_hw_number_t hwirq,
 void cxl_unmap_irq(unsigned int virq, void *cookie)
 {
 	free_irq(virq, cookie);
+	irq_dispose_mapping(virq);
 }
 
 static int cxl_register_one_irq(struct cxl *adapter,
diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c
index 6a451bd65bf3..8310b4dbff06 100644
--- a/drivers/misc/mic/scif/scif_rma.c
+++ b/drivers/misc/mic/scif/scif_rma.c
@@ -1511,7 +1511,7 @@ off_t scif_register_pinned_pages(scif_epd_t epd,
 	if ((map_flags & SCIF_MAP_FIXED) &&
 	    ((ALIGN(offset, PAGE_SIZE) != offset) ||
 	    (offset < 0) ||
-	    (len > LONG_MAX - offset)))
+	    (offset + (off_t)len < offset)))
 		return -EINVAL;
 
 	might_sleep();
@@ -1614,7 +1614,7 @@ off_t scif_register(scif_epd_t epd, void *addr, size_t len, off_t offset,
 	if ((map_flags & SCIF_MAP_FIXED) &&
 	    ((ALIGN(offset, PAGE_SIZE) != offset) ||
 	    (offset < 0) ||
-	    (len > LONG_MAX - offset)))
+	    (offset + (off_t)len < offset)))
 		return -EINVAL;
 
 	/* Unsupported protection requested */
@@ -1732,8 +1732,7 @@ scif_unregister(scif_epd_t epd, off_t offset, size_t len)
 
 	/* Offset is not page aligned or offset+len wraps around */
 	if ((ALIGN(offset, PAGE_SIZE) != offset) ||
-	    (offset < 0) ||
-	    (len > LONG_MAX - offset))
+	    (offset + (off_t)len < offset))
 		return -EINVAL;
 
 	err = scif_verify_epd(ep);
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index 4a07ba1195b5..12c6190c6e33 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -309,36 +309,6 @@ static const u16 brcmnand_regs_v60[] = {
 	[BRCMNAND_FC_BASE]		= 0x400,
 };
 
-/* BRCMNAND v7.1 */
-static const u16 brcmnand_regs_v71[] = {
-	[BRCMNAND_CMD_START]		=  0x04,
-	[BRCMNAND_CMD_EXT_ADDRESS]	=  0x08,
-	[BRCMNAND_CMD_ADDRESS]		=  0x0c,
-	[BRCMNAND_INTFC_STATUS]		=  0x14,
-	[BRCMNAND_CS_SELECT]		=  0x18,
-	[BRCMNAND_CS_XOR]		=  0x1c,
-	[BRCMNAND_LL_OP]		=  0x20,
-	[BRCMNAND_CS0_BASE]		=  0x50,
-	[BRCMNAND_CS1_BASE]		=     0,
-	[BRCMNAND_CORR_THRESHOLD]	=  0xdc,
-	[BRCMNAND_CORR_THRESHOLD_EXT]	=  0xe0,
-	[BRCMNAND_UNCORR_COUNT]		=  0xfc,
-	[BRCMNAND_CORR_COUNT]		= 0x100,
-	[BRCMNAND_CORR_EXT_ADDR]	= 0x10c,
-	[BRCMNAND_CORR_ADDR]		= 0x110,
-	[BRCMNAND_UNCORR_EXT_ADDR]	= 0x114,
-	[BRCMNAND_UNCORR_ADDR]		= 0x118,
-	[BRCMNAND_SEMAPHORE]		= 0x150,
-	[BRCMNAND_ID]			= 0x194,
-	[BRCMNAND_ID_EXT]		= 0x198,
-	[BRCMNAND_LL_RDATA]		= 0x19c,
-	[BRCMNAND_OOB_READ_BASE]	= 0x200,
-	[BRCMNAND_OOB_READ_10_BASE]	=     0,
-	[BRCMNAND_OOB_WRITE_BASE]	= 0x280,
-	[BRCMNAND_OOB_WRITE_10_BASE]	=     0,
-	[BRCMNAND_FC_BASE]		= 0x400,
-};
-
 enum brcmnand_cs_reg {
 	BRCMNAND_CS_CFG_EXT = 0,
 	BRCMNAND_CS_CFG,
@@ -434,9 +404,7 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl)
 	}
 
 	/* Register offsets */
-	if (ctrl->nand_version >= 0x0701)
-		ctrl->reg_offsets = brcmnand_regs_v71;
-	else if (ctrl->nand_version >= 0x0600)
+	if (ctrl->nand_version >= 0x0600)
 		ctrl->reg_offsets = brcmnand_regs_v60;
 	else if (ctrl->nand_version >= 0x0500)
 		ctrl->reg_offsets = brcmnand_regs_v50;
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ce7b2cab5762..3ff583f165cd 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3979,6 +3979,7 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip,
  * This is the first phase of the normal nand_scan() function. It reads the
  * flash ID and sets up MTD fields accordingly.
  *
+ * The mtd->owner field must be set to the module of the caller.
  */
 int nand_scan_ident(struct mtd_info *mtd, int maxchips,
 		    struct nand_flash_dev *table)
@@ -4402,12 +4403,19 @@ EXPORT_SYMBOL(nand_scan_tail);
  *
  * This fills out all the uninitialized function pointers with the defaults.
  * The flash ID is read and the mtd/chip structures are filled with the
- * appropriate values.
+ * appropriate values. The mtd->owner field must be set to the module of the
+ * caller.
  */
 int nand_scan(struct mtd_info *mtd, int maxchips)
 {
 	int ret;
 
+	/* Many callers got this wrong, so check for it for a while... */
+	if (!mtd->owner && caller_is_module()) {
+		pr_crit("%s called with NULL mtd->owner!\n", __func__);
+		BUG();
+	}
+
 	ret = nand_scan_ident(mtd, maxchips, NULL);
 	if (!ret)
 		ret = nand_scan_tail(mtd);
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 37e4135ab213..32477c4eb421 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1067,6 +1067,45 @@ static int spansion_quad_enable(struct spi_nor *nor)
 	return 0;
 }
 
+static int micron_quad_enable(struct spi_nor *nor)
+{
+	int ret;
+	u8 val;
+
+	ret = nor->read_reg(nor, SPINOR_OP_RD_EVCR, &val, 1);
+	if (ret < 0) {
+		dev_err(nor->dev, "error %d reading EVCR\n", ret);
+		return ret;
+	}
+
+	write_enable(nor);
+
+	/* set EVCR, enable quad I/O */
+	nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
+	ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1);
+	if (ret < 0) {
+		dev_err(nor->dev, "error while writing EVCR register\n");
+		return ret;
+	}
+
+	ret = spi_nor_wait_till_ready(nor);
+	if (ret)
+		return ret;
+
+	/* read EVCR and check it */
+	ret = nor->read_reg(nor, SPINOR_OP_RD_EVCR, &val, 1);
+	if (ret < 0) {
+		dev_err(nor->dev, "error %d reading EVCR\n", ret);
+		return ret;
+	}
+	if (val & EVCR_QUAD_EN_MICRON) {
+		dev_err(nor->dev, "Micron EVCR Quad bit not clear\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
 {
 	int status;
@@ -1080,7 +1119,12 @@ static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
 		}
 		return status;
 	case SNOR_MFR_MICRON:
-		return 0;
+		status = micron_quad_enable(nor);
+		if (status) {
+			dev_err(nor->dev, "Micron quad-read not enabled\n");
+			return -EINVAL;
+		}
+		return status;
 	default:
 		status = spansion_quad_enable(nor);
 		if (status) {
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
index 2ff465848b65..8f76f4558a88 100644
--- a/drivers/net/ethernet/atheros/atlx/atl2.c
+++ b/drivers/net/ethernet/atheros/atlx/atl2.c
@@ -1412,7 +1412,7 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	err = -EIO;
 
-	netdev->hw_features = NETIF_F_HW_VLAN_CTAG_RX;
+	netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_RX;
 	netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX);
 
 	/* Init PHY as early as possible due to power saving issue  */
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index d1c217eaf417..206b6a71a545 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -550,7 +550,6 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs,
 		nicvf_config_vlan_stripping(nic, nic->netdev->features);
 
 	/* Enable Receive queue */
-	memset(&rq_cfg, 0, sizeof(struct rq_cfg));
 	rq_cfg.ena = 1;
 	rq_cfg.tcp_ena = 0;
 	nicvf_queue_reg_write(nic, NIC_QSET_RQ_0_7_CFG, qidx, *(u64 *)&rq_cfg);
@@ -583,7 +582,6 @@ void nicvf_cmp_queue_config(struct nicvf *nic, struct queue_set *qs,
 			      qidx, (u64)(cq->dmem.phys_base));
 
 	/* Enable Completion queue */
-	memset(&cq_cfg, 0, sizeof(struct cq_cfg));
 	cq_cfg.ena = 1;
 	cq_cfg.reset = 0;
 	cq_cfg.caching = 0;
@@ -632,7 +630,6 @@ static void nicvf_snd_queue_config(struct nicvf *nic, struct queue_set *qs,
 			      qidx, (u64)(sq->dmem.phys_base));
 
 	/* Enable send queue  & set queue size */
-	memset(&sq_cfg, 0, sizeof(struct sq_cfg));
 	sq_cfg.ena = 1;
 	sq_cfg.reset = 0;
 	sq_cfg.ldwb = 0;
@@ -669,7 +666,6 @@ static void nicvf_rbdr_config(struct nicvf *nic, struct queue_set *qs,
 
 	/* Enable RBDR  & set queue size */
 	/* Buffer size should be in multiples of 128 bytes */
-	memset(&rbdr_cfg, 0, sizeof(struct rbdr_cfg));
 	rbdr_cfg.ena = 1;
 	rbdr_cfg.reset = 0;
 	rbdr_cfg.ldwb = 0;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index f6147ffc7fbc..b2a32209ffbf 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1557,15 +1557,9 @@ fec_enet_rx(struct net_device *ndev, int budget)
 	struct fec_enet_private *fep = netdev_priv(ndev);
 
 	for_each_set_bit(queue_id, &fep->work_rx, FEC_ENET_MAX_RX_QS) {
-		int ret;
-
-		ret = fec_enet_rx_queue(ndev,
+		clear_bit(queue_id, &fep->work_rx);
+		pkt_received += fec_enet_rx_queue(ndev,
 					budget - pkt_received, queue_id);
-
-		if (ret < budget - pkt_received)
-			clear_bit(queue_id, &fep->work_rx);
-
-		pkt_received += ret;
 	}
 	return pkt_received;
 }
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 1257b18e6b90..973dade2d07f 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -270,17 +270,11 @@ jme_reset_mac_processor(struct jme_adapter *jme)
 }
 
 static inline void
-jme_clear_pm_enable_wol(struct jme_adapter *jme)
+jme_clear_pm(struct jme_adapter *jme)
 {
 	jwrite32(jme, JME_PMCS, PMCS_STMASK | jme->reg_pmcs);
 }
 
-static inline void
-jme_clear_pm_disable_wol(struct jme_adapter *jme)
-{
-	jwrite32(jme, JME_PMCS, PMCS_STMASK);
-}
-
 static int
 jme_reload_eeprom(struct jme_adapter *jme)
 {
@@ -1859,7 +1853,7 @@ jme_open(struct net_device *netdev)
 	struct jme_adapter *jme = netdev_priv(netdev);
 	int rc;
 
-	jme_clear_pm_disable_wol(jme);
+	jme_clear_pm(jme);
 	JME_NAPI_ENABLE(jme);
 
 	tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
@@ -1931,11 +1925,11 @@ jme_wait_link(struct jme_adapter *jme)
 static void
 jme_powersave_phy(struct jme_adapter *jme)
 {
-	if (jme->reg_pmcs && device_may_wakeup(&jme->pdev->dev)) {
+	if (jme->reg_pmcs) {
 		jme_set_100m_half(jme);
 		if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
 			jme_wait_link(jme);
-		jme_clear_pm_enable_wol(jme);
+		jme_clear_pm(jme);
 	} else {
 		jme_phy_off(jme);
 	}
@@ -2652,6 +2646,9 @@ jme_set_wol(struct net_device *netdev,
 	if (wol->wolopts & WAKE_MAGIC)
 		jme->reg_pmcs |= PMCS_MFEN;
 
+	jwrite32(jme, JME_PMCS, jme->reg_pmcs);
+	device_set_wakeup_enable(&jme->pdev->dev, !!(jme->reg_pmcs));
+
 	return 0;
 }
 
@@ -3175,8 +3172,8 @@ jme_init_one(struct pci_dev *pdev,
 	jme->mii_if.mdio_read = jme_mdio_read;
 	jme->mii_if.mdio_write = jme_mdio_write;
 
-	jme_clear_pm_disable_wol(jme);
-	device_init_wakeup(&pdev->dev, true);
+	jme_clear_pm(jme);
+	device_set_wakeup_enable(&pdev->dev, true);
 
 	jme_set_phyfifo_5level(jme);
 	jme->pcirev = pdev->revision;
@@ -3307,7 +3304,7 @@ jme_resume(struct device *dev)
 	if (!netif_running(netdev))
 		return 0;
 
-	jme_clear_pm_disable_wol(jme);
+	jme_clear_pm(jme);
 	jme_phy_on(jme);
 	if (test_bit(JME_FLAG_SSET, &jme->flags))
 		jme_set_settings(netdev, &jme->old_ecmd);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index bbff8ec6713e..e7a5000aa12c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -704,7 +704,7 @@ static int get_fixed_ipv6_csum(__wsum hw_checksum, struct sk_buff *skb,
 
 	if (ipv6h->nexthdr == IPPROTO_FRAGMENT || ipv6h->nexthdr == IPPROTO_HOPOPTS)
 		return -1;
-	hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(ipv6h->nexthdr));
+	hw_checksum = csum_add(hw_checksum, (__force __wsum)(ipv6h->nexthdr << 8));
 
 	csum_pseudo_hdr = csum_partial(&ipv6h->saddr,
 				       sizeof(ipv6h->saddr) + sizeof(ipv6h->daddr), 0);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index e4019a803a9c..4421bf5463f6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -400,6 +400,7 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
 	u32 packets = 0;
 	u32 bytes = 0;
 	int factor = priv->cqe_factor;
+	u64 timestamp = 0;
 	int done = 0;
 	int budget = priv->tx_work_limit;
 	u32 last_nr_txbb;
@@ -439,12 +440,9 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
 		new_index = be16_to_cpu(cqe->wqe_index) & size_mask;
 
 		do {
-			u64 timestamp = 0;
-
 			txbbs_skipped += last_nr_txbb;
 			ring_index = (ring_index + last_nr_txbb) & size_mask;
-
-			if (unlikely(ring->tx_info[ring_index].ts_requested))
+			if (ring->tx_info[ring_index].ts_requested)
 				timestamp = mlx4_en_get_cqe_ts(cqe);
 
 			/* free next descriptor */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index cbd17e25beeb..1203d892e842 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1372,7 +1372,7 @@ static int mlx5e_set_dev_port_mtu(struct net_device *netdev)
 {
 	struct mlx5e_priv *priv = netdev_priv(netdev);
 	struct mlx5_core_dev *mdev = priv->mdev;
-	u16 hw_mtu;
+	int hw_mtu;
 	int err;
 
 	err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(netdev->mtu), 1);
@@ -1891,27 +1891,22 @@ static int mlx5e_set_features(struct net_device *netdev,
 	return err;
 }
 
-#define MXL5_HW_MIN_MTU 64
-#define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN)
-
 static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct mlx5e_priv *priv = netdev_priv(netdev);
 	struct mlx5_core_dev *mdev = priv->mdev;
 	bool was_opened;
-	u16 max_mtu;
-	u16 min_mtu;
+	int max_mtu;
 	int err = 0;
 
 	mlx5_query_port_max_mtu(mdev, &max_mtu, 1);
 
 	max_mtu = MLX5E_HW2SW_MTU(max_mtu);
-	min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU);
 
-	if (new_mtu > max_mtu || new_mtu < min_mtu) {
+	if (new_mtu > max_mtu) {
 		netdev_err(netdev,
-			   "%s: Bad MTU (%d), valid range is: [%d..%d]\n",
-			   __func__, new_mtu, min_mtu, max_mtu);
+			   "%s: Bad MTU (%d) > (%d) Max\n",
+			   __func__, new_mtu, max_mtu);
 		return -EINVAL;
 	}
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 53a793bc2e3d..a87e773e93f3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -246,8 +246,8 @@ int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
 }
 EXPORT_SYMBOL_GPL(mlx5_query_port_admin_status);
 
-static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, u16 *admin_mtu,
-				u16 *max_mtu, u16 *oper_mtu, u8 port)
+static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, int *admin_mtu,
+				int *max_mtu, int *oper_mtu, u8 port)
 {
 	u32 in[MLX5_ST_SZ_DW(pmtu_reg)];
 	u32 out[MLX5_ST_SZ_DW(pmtu_reg)];
@@ -267,7 +267,7 @@ static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, u16 *admin_mtu,
 		*admin_mtu = MLX5_GET(pmtu_reg, out, admin_mtu);
 }
 
-int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port)
+int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port)
 {
 	u32 in[MLX5_ST_SZ_DW(pmtu_reg)];
 	u32 out[MLX5_ST_SZ_DW(pmtu_reg)];
@@ -282,14 +282,14 @@ int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port)
 }
 EXPORT_SYMBOL_GPL(mlx5_set_port_mtu);
 
-void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu,
+void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu,
 			     u8 port)
 {
 	mlx5_query_port_mtu(dev, NULL, max_mtu, NULL, port);
 }
 EXPORT_SYMBOL_GPL(mlx5_query_port_max_mtu);
 
-void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu,
+void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu,
 			      u8 port)
 {
 	mlx5_query_port_mtu(dev, NULL, NULL, oper_mtu, port);
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 96a5028621c8..bdd83d95ec0a 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -617,13 +617,8 @@ static const struct usb_device_id mbim_devs[] = {
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x0bdb, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
 	  .driver_info = (unsigned long)&cdc_mbim_info,
 	},
-
-	/* Some Huawei devices, ME906s-158 (12d1:15c1) and E3372
-	 * (12d1:157d), are known to fail unless the NDP is placed
-	 * after the IP packets.  Applying the quirk to all Huawei
-	 * devices is broader than necessary, but harmless.
-	 */
-	{ USB_VENDOR_AND_INTERFACE_INFO(0x12d1, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+	/* Huawei E3372 fails unless NDP comes after the IP packets */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x12d1, 0x157d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
 	  .driver_info = (unsigned long)&cdc_mbim_info_ndp_to_end,
 	},
 	/* default entry */
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 1b271b99c49e..8f8793004b9f 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -274,9 +274,6 @@ void ar5008_hw_cmn_spur_mitigate(struct ath_hw *ah,
 	};
 	static const int inc[4] = { 0, 100, 0, 0 };
 
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
 	cur_bin = -6000;
 	upper = bin + 100;
 	lower = bin - 100;
@@ -427,9 +424,14 @@ static void ar5008_hw_spur_mitigate(struct ath_hw *ah,
 	int tmp, new;
 	int i;
 
+	int8_t mask_m[123];
+	int8_t mask_p[123];
 	int cur_bb_spur;
 	bool is2GHz = IS_CHAN_2GHZ(chan);
 
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
 		if (AR_NO_SPUR == cur_bb_spur)
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 53d7445a5d12..db6624527d99 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -178,9 +178,14 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah,
 	int i;
 	struct chan_centers centers;
 
+	int8_t mask_m[123];
+	int8_t mask_p[123];
 	int cur_bb_spur;
 	bool is2GHz = IS_CHAN_2GHZ(chan);
 
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
 	freq = centers.synth_center;
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index f96ab2f4b90e..e88afac51c5d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1557,8 +1557,6 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
 	/* the fw is stopped, the aux sta is dead: clean up driver state */
 	iwl_mvm_del_aux_sta(mvm);
 
-	iwl_free_fw_paging(mvm);
-
 	/*
 	 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
 	 * won't be called in this case).
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 13c97f665ba8..c3adf2bcdc85 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -645,6 +645,8 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
 	for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
 		kfree(mvm->nvm_sections[i].data);
 
+	iwl_free_fw_paging(mvm);
+
 	iwl_mvm_tof_clean(mvm);
 
 	ieee80211_free_hw(mvm->hw);
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 00e0332e2544..8c7204738aa3 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -731,8 +731,8 @@ static int iwl_pcie_rsa_race_bug_wa(struct iwl_trans *trans)
 	 */
 	val = iwl_read_prph(trans, PREG_AUX_BUS_WPROT_0);
 	if (val & (BIT(1) | BIT(17))) {
-		IWL_DEBUG_INFO(trans,
-			       "can't access the RSA semaphore it is write protected\n");
+		IWL_INFO(trans,
+			 "can't access the RSA semaphore it is write protected\n");
 		return 0;
 	}
 
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index d6c4f0f60839..a6c8a4f7bfe9 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -313,7 +313,6 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 			mwifiex_dbg(adapter, ERROR,
 				    "Attempt to reconnect on csa closed chan(%d)\n",
 				    bss_desc->channel);
-			ret = -1;
 			goto done;
 		}
 
diff --git a/drivers/nvmem/mxs-ocotp.c b/drivers/nvmem/mxs-ocotp.c
index 2bb3c5799ac4..8ba19bba3156 100644
--- a/drivers/nvmem/mxs-ocotp.c
+++ b/drivers/nvmem/mxs-ocotp.c
@@ -94,7 +94,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size,
 	if (ret)
 		goto close_banks;
 
-	while (val_size >= reg_size) {
+	while (val_size) {
 		if ((offset < OCOTP_DATA_OFFSET) || (offset % 16)) {
 			/* fill up non-data register */
 			*buf = 0;
@@ -103,7 +103,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size,
 		}
 
 		buf++;
-		val_size -= reg_size;
+		val_size--;
 		offset += reg_size;
 	}
 
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 0438512f4d69..0acebc87ec20 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -760,16 +760,6 @@ const void * __init of_flat_dt_match_machine(const void *default_match,
 }
 
 #ifdef CONFIG_BLK_DEV_INITRD
-#ifndef __early_init_dt_declare_initrd
-static void __early_init_dt_declare_initrd(unsigned long start,
-					   unsigned long end)
-{
-	initrd_start = (unsigned long)__va(start);
-	initrd_end = (unsigned long)__va(end);
-	initrd_below_start_ok = 1;
-}
-#endif
-
 /**
  * early_init_dt_check_for_initrd - Decode initrd location from flat tree
  * @node: reference to node containing initrd location ('chosen')
@@ -792,7 +782,9 @@ static void __init early_init_dt_check_for_initrd(unsigned long node)
 		return;
 	end = of_read_number(prop, len/4);
 
-	__early_init_dt_declare_initrd(start, end);
+	initrd_start = (unsigned long)__va(start);
+	initrd_end = (unsigned long)__va(end);
+	initrd_below_start_ok = 1;
 
 	pr_debug("initrd_start=0x%llx  initrd_end=0x%llx\n",
 		 (unsigned long long)start, (unsigned long long)end);
@@ -1014,16 +1006,13 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 }
 
 #ifdef CONFIG_HAVE_MEMBLOCK
-#ifndef MIN_MEMBLOCK_ADDR
-#define MIN_MEMBLOCK_ADDR	__pa(PAGE_OFFSET)
-#endif
 #ifndef MAX_MEMBLOCK_ADDR
 #define MAX_MEMBLOCK_ADDR	((phys_addr_t)~0)
 #endif
 
 void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
 {
-	const u64 phys_offset = MIN_MEMBLOCK_ADDR;
+	const u64 phys_offset = __pa(PAGE_OFFSET);
 
 	if (!PAGE_ALIGNED(base)) {
 		if (size < PAGE_SIZE - (base & ~PAGE_MASK)) {
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 3d8019eb3d84..5c717275a7fa 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -939,8 +939,7 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset,
 	struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev);
 	int eint_num, virq, eint_offset;
 	unsigned int set_offset, bit, clr_bit, clr_offset, rst, i, unmask, dbnc;
-	static const unsigned int debounce_time[] = {500, 1000, 16000, 32000, 64000,
-						128000, 256000};
+	static const unsigned int dbnc_arr[] = {0 , 1, 16, 32, 64, 128, 256};
 	const struct mtk_desc_pin *pin;
 	struct irq_data *d;
 
@@ -958,9 +957,9 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset,
 	if (!mtk_eint_can_en_debounce(pctl, eint_num))
 		return -ENOSYS;
 
-	dbnc = ARRAY_SIZE(debounce_time);
-	for (i = 0; i < ARRAY_SIZE(debounce_time); i++) {
-		if (debounce <= debounce_time[i]) {
+	dbnc = ARRAY_SIZE(dbnc_arr);
+	for (i = 0; i < ARRAY_SIZE(dbnc_arr); i++) {
+		if (debounce <= dbnc_arr[i]) {
 			dbnc = i;
 			break;
 		}
diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c
index b3235fd2950c..33edd07d9149 100644
--- a/drivers/pinctrl/pinctrl-at91-pio4.c
+++ b/drivers/pinctrl/pinctrl-at91-pio4.c
@@ -717,11 +717,9 @@ static int atmel_conf_pin_config_group_set(struct pinctrl_dev *pctldev,
 			break;
 		case PIN_CONFIG_BIAS_PULL_UP:
 			conf |= ATMEL_PIO_PUEN_MASK;
-			conf &= (~ATMEL_PIO_PDEN_MASK);
 			break;
 		case PIN_CONFIG_BIAS_PULL_DOWN:
 			conf |= ATMEL_PIO_PDEN_MASK;
-			conf &= (~ATMEL_PIO_PUEN_MASK);
 			break;
 		case PIN_CONFIG_DRIVE_OPEN_DRAIN:
 			if (arg == 0)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 23b6b8c29a99..ef04b962c3d5 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1273,9 +1273,9 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,
 
 		/* Parse pins in each row from LSB */
 		while (mask) {
-			bit_pos = __ffs(mask);
+			bit_pos = ffs(mask);
 			pin_num_from_lsb = bit_pos / pcs->bits_per_pin;
-			mask_pos = ((pcs->fmask) << bit_pos);
+			mask_pos = ((pcs->fmask) << (bit_pos - 1));
 			val_pos = val & mask_pos;
 			submask = mask & mask_pos;
 
@@ -1847,7 +1847,7 @@ static int pcs_probe(struct platform_device *pdev)
 	ret = of_property_read_u32(np, "pinctrl-single,function-mask",
 				   &pcs->fmask);
 	if (!ret) {
-		pcs->fshift = __ffs(pcs->fmask);
+		pcs->fshift = ffs(pcs->fmask) - 1;
 		pcs->fmax = pcs->fmask >> pcs->fshift;
 	} else {
 		/* If mask property doesn't exist, function mux is invalid. */
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index f774cb576ffa..b0f62141ea4d 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -131,7 +131,7 @@ MODULE_LICENSE("GPL");
 /* Field definitions */
 #define HCI_ACCEL_MASK			0x7fff
 #define HCI_HOTKEY_DISABLE		0x0b
-#define HCI_HOTKEY_ENABLE		0x09
+#define HCI_HOTKEY_ENABLE		0x01
 #define HCI_HOTKEY_SPECIAL_FUNCTIONS	0x10
 #define HCI_LCD_BRIGHTNESS_BITS		3
 #define HCI_LCD_BRIGHTNESS_SHIFT	(16-HCI_LCD_BRIGHTNESS_BITS)
diff --git a/drivers/pwm/pwm-brcmstb.c b/drivers/pwm/pwm-brcmstb.c
index 5d5adee16886..423ce087cd9c 100644
--- a/drivers/pwm/pwm-brcmstb.c
+++ b/drivers/pwm/pwm-brcmstb.c
@@ -274,8 +274,8 @@ static int brcmstb_pwm_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	p->base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(p->base)) {
-		ret = PTR_ERR(p->base);
+	if (!p->base) {
+		ret = -ENOMEM;
 		goto out_clk;
 	}
 
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 5cf4a97e0304..f2e1a39ce0f3 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -221,10 +221,10 @@ static const struct regulator_desc axp22x_regulators[] = {
 		 AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
 	AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
 		 AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
-	AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 700, 3300, 100,
+	AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 1800, 3300, 100,
 		    AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
 		    AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
-	AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 700, 3300, 100,
+	AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 1800, 3300, 100,
 		    AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
 		    AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
 	AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 27a5deb1213e..d49d8606da15 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -150,7 +150,7 @@ static void regulator_lock_supply(struct regulator_dev *rdev)
 {
 	int i;
 
-	for (i = 0; rdev; rdev = rdev_get_supply(rdev), i++)
+	for (i = 0; rdev->supply; rdev = rdev_get_supply(rdev), i++)
 		mutex_lock_nested(&rdev->mutex, i);
 }
 
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index b6d831b84e1d..72fc3c32db49 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -305,7 +305,7 @@ static struct regulator_ops s2mps11_buck_ops = {
 	.enable_mask	= S2MPS11_ENABLE_MASK			\
 }
 
-#define regulator_desc_s2mps11_buck67810(num, min, step) {	\
+#define regulator_desc_s2mps11_buck6_10(num, min, step) {	\
 	.name		= "BUCK"#num,				\
 	.id		= S2MPS11_BUCK##num,			\
 	.ops		= &s2mps11_buck_ops,			\
@@ -321,22 +321,6 @@ static struct regulator_ops s2mps11_buck_ops = {
 	.enable_mask	= S2MPS11_ENABLE_MASK			\
 }
 
-#define regulator_desc_s2mps11_buck9 {				\
-	.name		= "BUCK9",				\
-	.id		= S2MPS11_BUCK9,			\
-	.ops		= &s2mps11_buck_ops,			\
-	.type		= REGULATOR_VOLTAGE,			\
-	.owner		= THIS_MODULE,				\
-	.min_uV		= MIN_3000_MV,				\
-	.uV_step	= STEP_25_MV,				\
-	.n_voltages	= S2MPS11_BUCK9_N_VOLTAGES,		\
-	.ramp_delay	= S2MPS11_RAMP_DELAY,			\
-	.vsel_reg	= S2MPS11_REG_B9CTRL2,			\
-	.vsel_mask	= S2MPS11_BUCK9_VSEL_MASK,		\
-	.enable_reg	= S2MPS11_REG_B9CTRL1,			\
-	.enable_mask	= S2MPS11_ENABLE_MASK			\
-}
-
 static const struct regulator_desc s2mps11_regulators[] = {
 	regulator_desc_s2mps11_ldo(1, STEP_25_MV),
 	regulator_desc_s2mps11_ldo(2, STEP_50_MV),
@@ -381,11 +365,11 @@ static const struct regulator_desc s2mps11_regulators[] = {
 	regulator_desc_s2mps11_buck1_4(3),
 	regulator_desc_s2mps11_buck1_4(4),
 	regulator_desc_s2mps11_buck5,
-	regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
-	regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_6_25_MV),
-	regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_6_25_MV),
-	regulator_desc_s2mps11_buck9,
-	regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
+	regulator_desc_s2mps11_buck6_10(6, MIN_600_MV, STEP_6_25_MV),
+	regulator_desc_s2mps11_buck6_10(7, MIN_600_MV, STEP_6_25_MV),
+	regulator_desc_s2mps11_buck6_10(8, MIN_600_MV, STEP_6_25_MV),
+	regulator_desc_s2mps11_buck6_10(9, MIN_3000_MV, STEP_25_MV),
+	regulator_desc_s2mps11_buck6_10(10, MIN_750_MV, STEP_12_5_MV),
 };
 
 static struct regulator_ops s2mps14_reg_ops;
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 27343e1c43ef..58f5d3b8e981 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -202,10 +202,9 @@ static int s5m8767_get_register(struct s5m8767_info *s5m8767, int reg_id,
 		}
 	}
 
-	if (i >= s5m8767->num_regulators)
-		return -EINVAL;
-
-	*enable_ctrl = s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
+	if (i < s5m8767->num_regulators)
+		*enable_ctrl =
+		s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
 
 	return 0;
 }
@@ -938,12 +937,8 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
 			else
 				regulators[id].vsel_mask = 0xff;
 
-			ret = s5m8767_get_register(s5m8767, id, &enable_reg,
+			s5m8767_get_register(s5m8767, id, &enable_reg,
 					     &enable_val);
-			if (ret) {
-				dev_err(s5m8767->dev, "error reading registers\n");
-				return ret;
-			}
 			regulators[id].enable_reg = enable_reg;
 			regulators[id].enable_mask = S5M8767_ENCTRL_MASK;
 			regulators[id].enable_val = enable_val;
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index d5c1b057a739..05a51ef52703 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -187,9 +187,9 @@ ds1685_rtc_end_data_access(struct ds1685_priv *rtc)
  * Only use this where you are certain another lock will not be held.
  */
 static inline void
-ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long *flags)
+ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long flags)
 {
-	spin_lock_irqsave(&rtc->lock, *flags);
+	spin_lock_irqsave(&rtc->lock, flags);
 	ds1685_rtc_switch_to_bank1(rtc);
 }
 
@@ -1304,7 +1304,7 @@ ds1685_rtc_sysfs_ctrl_regs_store(struct device *dev,
 {
 	struct ds1685_priv *rtc = dev_get_drvdata(dev);
 	u8 reg = 0, bit = 0, tmp;
-	unsigned long flags;
+	unsigned long flags = 0;
 	long int val = 0;
 	const struct ds1685_rtc_ctrl_regs *reg_info =
 		ds1685_rtc_sysfs_ctrl_regs_lookup(attr->attr.name);
@@ -1325,7 +1325,7 @@ ds1685_rtc_sysfs_ctrl_regs_store(struct device *dev,
 	bit = reg_info->bit;
 
 	/* Safe to spinlock during a write. */
-	ds1685_rtc_begin_ctrl_access(rtc, &flags);
+	ds1685_rtc_begin_ctrl_access(rtc, flags);
 	tmp = rtc->read(rtc, reg);
 	rtc->write(rtc, reg, (val ? (tmp | bit) : (tmp & ~(bit))));
 	ds1685_rtc_end_ctrl_access(rtc, flags);
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index b1b4746a0eab..097325d96db5 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -144,7 +144,7 @@ static int hym8563_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	 * it does not seem to carry it over a subsequent write/read.
 	 * So we'll limit ourself to 100 years, starting at 2000 for now.
 	 */
-	buf[6] = bin2bcd(tm->tm_year - 100);
+	buf[6] = tm->tm_year - 100;
 
 	/*
 	 * CTL1 only contains TEST-mode bits apart from stop,
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
index 725dccae24e7..7184a0eda793 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -465,7 +465,7 @@ static int max77686_rtc_probe(struct platform_device *pdev)
 
 	info->virq = regmap_irq_get_virq(max77686->rtc_irq_data,
 					 MAX77686_RTCIRQ_RTCA1);
-	if (info->virq <= 0) {
+	if (!info->virq) {
 		ret = -ENXIO;
 		goto err_rtc;
 	}
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index 17341feadad1..bd911bafb809 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -65,6 +65,7 @@
 
 static const struct i2c_device_id rx8025_id[] = {
 	{ "rx8025", 0 },
+	{ "rv8803", 1 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, rx8025_id);
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index e1b86bb01062..f64c282275b3 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -272,13 +272,12 @@ static irqreturn_t rtclong1_interrupt(int irq, void *dev_id)
 }
 
 static const struct rtc_class_ops vr41xx_rtc_ops = {
-	.release		= vr41xx_rtc_release,
-	.ioctl			= vr41xx_rtc_ioctl,
-	.read_time		= vr41xx_rtc_read_time,
-	.set_time		= vr41xx_rtc_set_time,
-	.read_alarm		= vr41xx_rtc_read_alarm,
-	.set_alarm		= vr41xx_rtc_set_alarm,
-	.alarm_irq_enable	= vr41xx_rtc_alarm_irq_enable,
+	.release	= vr41xx_rtc_release,
+	.ioctl		= vr41xx_rtc_ioctl,
+	.read_time	= vr41xx_rtc_read_time,
+	.set_time	= vr41xx_rtc_set_time,
+	.read_alarm	= vr41xx_rtc_read_alarm,
+	.set_alarm	= vr41xx_rtc_set_alarm,
 };
 
 static int rtc_probe(struct platform_device *pdev)
diff --git a/drivers/scsi/device_handler/Kconfig b/drivers/scsi/device_handler/Kconfig
index 0b331c9c0a8f..e5647d59224f 100644
--- a/drivers/scsi/device_handler/Kconfig
+++ b/drivers/scsi/device_handler/Kconfig
@@ -13,13 +13,13 @@ menuconfig SCSI_DH
 
 config SCSI_DH_RDAC
 	tristate "LSI RDAC Device Handler"
-	depends on SCSI_DH && SCSI
+	depends on SCSI_DH
 	help
 	If you have a LSI RDAC select y. Otherwise, say N.
 
 config SCSI_DH_HP_SW
 	tristate "HP/COMPAQ MSA Device Handler"
-	depends on SCSI_DH && SCSI
+	depends on SCSI_DH
 	help
 	If you have a HP/COMPAQ MSA device that requires START_STOP to
 	be sent to start it and cannot upgrade the firmware then select y.
@@ -27,13 +27,13 @@ config SCSI_DH_HP_SW
 
 config SCSI_DH_EMC
 	tristate "EMC CLARiiON Device Handler"
-	depends on SCSI_DH && SCSI
+	depends on SCSI_DH
 	help
 	If you have a EMC CLARiiON select y. Otherwise, say N.
 
 config SCSI_DH_ALUA
 	tristate "SPC-3 ALUA Device Handler"
-	depends on SCSI_DH && SCSI
+	depends on SCSI_DH
 	help
 	  SCSI Device handler for generic SPC-3 Asymmetric Logical Unit
 	  Access (ALUA).
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index b0d92b84bcdc..db9446c612da 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2855,7 +2855,7 @@ lpfc_online(struct lpfc_hba *phba)
 	}
 
 	vports = lpfc_create_vport_work_array(phba);
-	if (vports != NULL) {
+	if (vports != NULL)
 		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
 			struct Scsi_Host *shost;
 			shost = lpfc_shost_from_vport(vports[i]);
@@ -2872,8 +2872,7 @@ lpfc_online(struct lpfc_hba *phba)
 			}
 			spin_unlock_irq(shost->host_lock);
 		}
-	}
-	lpfc_destroy_vport_work_array(phba, vports);
+		lpfc_destroy_vport_work_array(phba, vports);
 
 	lpfc_unblock_mgmt_io(phba);
 	return 0;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 00ce3e269a43..97a1c1c33b05 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6282,13 +6282,12 @@ out:
 	}
 
 	for (i = 0; i < ioc->sge_count; i++) {
-		if (kbuff_arr[i]) {
+		if (kbuff_arr[i])
 			dma_free_coherent(&instance->pdev->dev,
 					  le32_to_cpu(kern_sge32[i].length),
 					  kbuff_arr[i],
 					  le32_to_cpu(kern_sge32[i].phys_addr));
 			kbuff_arr[i] = NULL;
-		}
 	}
 
 	megasas_return_cmd(instance, cmd);
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 634254a52301..5d0ec42a9317 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -4214,7 +4214,7 @@ static struct scsi_host_template qla1280_driver_template = {
 	.eh_bus_reset_handler	= qla1280_eh_bus_reset,
 	.eh_host_reset_handler	= qla1280_eh_adapter_reset,
 	.bios_param		= qla1280_biosparam,
-	.can_queue		= MAX_OUTSTANDING_COMMANDS,
+	.can_queue		= 0xfffff,
 	.this_id		= -1,
 	.sg_tablesize		= SG_ALL,
 	.use_clustering		= ENABLE_CLUSTERING,
diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
index 4a65c5bda146..534c58937a56 100644
--- a/drivers/soc/rockchip/pm_domains.c
+++ b/drivers/soc/rockchip/pm_domains.c
@@ -419,7 +419,6 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
 		if (error) {
 			dev_err(dev, "failed to handle node %s: %d\n",
 				node->name, error);
-			of_node_put(node);
 			goto err_out;
 		}
 	}
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 73c8ea0b1360..b25dc71b0ea9 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -111,7 +111,7 @@ static const struct lpss_config lpss_platforms[] = {
 		.reg_general = -1,
 		.reg_ssp = 0x20,
 		.reg_cs_ctrl = 0x24,
-		.reg_capabilities = -1,
+		.reg_capabilities = 0xfc,
 		.rx_threshold = 1,
 		.tx_threshold_lo = 32,
 		.tx_threshold_hi = 56,
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 035767c02072..79a8bc4f6cec 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -265,10 +265,7 @@ static inline u32 rx_max(struct rockchip_spi *rs)
 static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
 {
 	u32 ser;
-	struct spi_master *master = spi->master;
-	struct rockchip_spi *rs = spi_master_get_devdata(master);
-
-	pm_runtime_get_sync(rs->dev);
+	struct rockchip_spi *rs = spi_master_get_devdata(spi->master);
 
 	ser = readl_relaxed(rs->regs + ROCKCHIP_SPI_SER) & SER_MASK;
 
@@ -293,8 +290,6 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
 		ser &= ~(1 << spi->chip_select);
 
 	writel_relaxed(ser, rs->regs + ROCKCHIP_SPI_SER);
-
-	pm_runtime_put_sync(rs->dev);
 }
 
 static int rockchip_spi_prepare_message(struct spi_master *master,
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 5044c6198332..64318fcfacf2 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -94,7 +94,6 @@ struct ti_qspi {
 #define QSPI_FLEN(n)			((n - 1) << 0)
 #define QSPI_WLEN_MAX_BITS		128
 #define QSPI_WLEN_MAX_BYTES		16
-#define QSPI_WLEN_MASK			QSPI_WLEN(QSPI_WLEN_MAX_BITS)
 
 /* STATUS REGISTER */
 #define BUSY				0x01
@@ -225,16 +224,16 @@ static inline int ti_qspi_poll_wc(struct ti_qspi *qspi)
 	return  -ETIMEDOUT;
 }
 
-static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t,
-			  int count)
+static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t)
 {
-	int wlen, xfer_len;
+	int wlen, count, xfer_len;
 	unsigned int cmd;
 	const u8 *txbuf;
 	u32 data;
 
 	txbuf = t->tx_buf;
 	cmd = qspi->cmd | QSPI_WR_SNGL;
+	count = t->len;
 	wlen = t->bits_per_word >> 3;	/* in bytes */
 	xfer_len = wlen;
 
@@ -294,10 +293,9 @@ static int qspi_write_msg(struct ti_qspi *qspi, struct spi_transfer *t,
 	return 0;
 }
 
-static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t,
-			 int count)
+static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t)
 {
-	int wlen;
+	int wlen, count;
 	unsigned int cmd;
 	u8 *rxbuf;
 
@@ -314,6 +312,7 @@ static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t,
 		cmd |= QSPI_RD_SNGL;
 		break;
 	}
+	count = t->len;
 	wlen = t->bits_per_word >> 3;	/* in bytes */
 
 	while (count) {
@@ -344,13 +343,12 @@ static int qspi_read_msg(struct ti_qspi *qspi, struct spi_transfer *t,
 	return 0;
 }
 
-static int qspi_transfer_msg(struct ti_qspi *qspi, struct spi_transfer *t,
-			     int count)
+static int qspi_transfer_msg(struct ti_qspi *qspi, struct spi_transfer *t)
 {
 	int ret;
 
 	if (t->tx_buf) {
-		ret = qspi_write_msg(qspi, t, count);
+		ret = qspi_write_msg(qspi, t);
 		if (ret) {
 			dev_dbg(qspi->dev, "Error while writing\n");
 			return ret;
@@ -358,7 +356,7 @@ static int qspi_transfer_msg(struct ti_qspi *qspi, struct spi_transfer *t,
 	}
 
 	if (t->rx_buf) {
-		ret = qspi_read_msg(qspi, t, count);
+		ret = qspi_read_msg(qspi, t);
 		if (ret) {
 			dev_dbg(qspi->dev, "Error while reading\n");
 			return ret;
@@ -375,8 +373,7 @@ static int ti_qspi_start_transfer_one(struct spi_master *master,
 	struct spi_device *spi = m->spi;
 	struct spi_transfer *t;
 	int status = 0, ret;
-	unsigned int frame_len_words, transfer_len_words;
-	int wlen;
+	int frame_length;
 
 	/* setup device control reg */
 	qspi->dc = 0;
@@ -388,38 +385,30 @@ static int ti_qspi_start_transfer_one(struct spi_master *master,
 	if (spi->mode & SPI_CS_HIGH)
 		qspi->dc |= QSPI_CSPOL(spi->chip_select);
 
-	frame_len_words = 0;
-	list_for_each_entry(t, &m->transfers, transfer_list)
-		frame_len_words += t->len / (t->bits_per_word >> 3);
-	frame_len_words = min_t(unsigned int, frame_len_words, QSPI_FRAME);
+	frame_length = (m->frame_length << 3) / spi->bits_per_word;
+
+	frame_length = clamp(frame_length, 0, QSPI_FRAME);
 
 	/* setup command reg */
 	qspi->cmd = 0;
 	qspi->cmd |= QSPI_EN_CS(spi->chip_select);
-	qspi->cmd |= QSPI_FLEN(frame_len_words);
+	qspi->cmd |= QSPI_FLEN(frame_length);
 
 	ti_qspi_write(qspi, qspi->dc, QSPI_SPI_DC_REG);
 
 	mutex_lock(&qspi->list_lock);
 
 	list_for_each_entry(t, &m->transfers, transfer_list) {
-		qspi->cmd = ((qspi->cmd & ~QSPI_WLEN_MASK) |
-			     QSPI_WLEN(t->bits_per_word));
-
-		wlen = t->bits_per_word >> 3;
-		transfer_len_words = min(t->len / wlen, frame_len_words);
+		qspi->cmd |= QSPI_WLEN(t->bits_per_word);
 
-		ret = qspi_transfer_msg(qspi, t, transfer_len_words * wlen);
+		ret = qspi_transfer_msg(qspi, t);
 		if (ret) {
 			dev_dbg(qspi->dev, "transfer message failed\n");
 			mutex_unlock(&qspi->list_lock);
 			return -EINVAL;
 		}
 
-		m->actual_length += transfer_len_words * wlen;
-		frame_len_words -= transfer_len_words;
-		if (frame_len_words == 0)
-			break;
+		m->actual_length += t->len;
 	}
 
 	mutex_unlock(&qspi->list_lock);
diff --git a/drivers/staging/rdma/hfi1/TODO b/drivers/staging/rdma/hfi1/TODO
index 4c6f1d7d2eaf..05de0dad8762 100644
--- a/drivers/staging/rdma/hfi1/TODO
+++ b/drivers/staging/rdma/hfi1/TODO
@@ -3,4 +3,4 @@ July, 2015
 - Remove unneeded file entries in sysfs
 - Remove software processing of IB protocol and place in library for use
   by qib, ipath (if still present), hfi1, and eventually soft-roce
-- Replace incorrect uAPI
+
diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c
index c851e51b1dc3..aae9826ec62b 100644
--- a/drivers/staging/rdma/hfi1/file_ops.c
+++ b/drivers/staging/rdma/hfi1/file_ops.c
@@ -62,8 +62,6 @@
 #include <linux/cred.h>
 #include <linux/uio.h>
 
-#include <rdma/ib.h>
-
 #include "hfi.h"
 #include "pio.h"
 #include "device.h"
@@ -216,10 +214,6 @@ static ssize_t hfi1_file_write(struct file *fp, const char __user *data,
 	int uctxt_required = 1;
 	int must_be_root = 0;
 
-	/* FIXME: This interface cannot continue out of staging */
-	if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
-		return -EACCES;
-
 	if (count < sizeof(cmd)) {
 		ret = -EINVAL;
 		goto bail;
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 7106288efae3..e845841ab036 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -545,14 +545,15 @@ static int rockchip_configure_from_dt(struct device *dev,
 			 thermal->chip->tshut_temp);
 		thermal->tshut_temp = thermal->chip->tshut_temp;
 	} else {
-		if (shut_temp > INT_MAX) {
-			dev_err(dev, "Invalid tshut temperature specified: %d\n",
-				shut_temp);
-			return -ERANGE;
-		}
 		thermal->tshut_temp = shut_temp;
 	}
 
+	if (thermal->tshut_temp > INT_MAX) {
+		dev_err(dev, "Invalid tshut temperature specified: %d\n",
+			thermal->tshut_temp);
+		return -ERANGE;
+	}
+
 	if (of_property_read_u32(np, "rockchip,hw-tshut-mode", &tshut_mode)) {
 		dev_warn(dev,
 			 "Missing tshut mode property, using default (%s)\n",
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 63a06ab6ba03..51c7507b0444 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -38,6 +38,7 @@
 #include <linux/major.h>
 #include <linux/module.h>
 #include <linux/mm.h>
+#include <linux/notifier.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
@@ -115,6 +116,8 @@ struct sci_port {
 	struct timer_list		rx_timer;
 	unsigned int			rx_timeout;
 #endif
+
+	struct notifier_block		freq_transition;
 };
 
 #define SCI_NPORTS CONFIG_SERIAL_SH_SCI_NR_UARTS
@@ -1603,6 +1606,29 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 	return ret;
 }
 
+/*
+ * Here we define a transition notifier so that we can update all of our
+ * ports' baud rate when the peripheral clock changes.
+ */
+static int sci_notifier(struct notifier_block *self,
+			unsigned long phase, void *p)
+{
+	struct sci_port *sci_port;
+	unsigned long flags;
+
+	sci_port = container_of(self, struct sci_port, freq_transition);
+
+	if (phase == CPUFREQ_POSTCHANGE) {
+		struct uart_port *port = &sci_port->port;
+
+		spin_lock_irqsave(&port->lock, flags);
+		port->uartclk = clk_get_rate(sci_port->iclk);
+		spin_unlock_irqrestore(&port->lock, flags);
+	}
+
+	return NOTIFY_OK;
+}
+
 static const struct sci_irq_desc {
 	const char	*desc;
 	irq_handler_t	handler;
@@ -2533,6 +2559,9 @@ static int sci_remove(struct platform_device *dev)
 {
 	struct sci_port *port = platform_get_drvdata(dev);
 
+	cpufreq_unregister_notifier(&port->freq_transition,
+				    CPUFREQ_TRANSITION_NOTIFIER);
+
 	uart_remove_one_port(&sci_uart_driver, &port->port);
 
 	sci_cleanup_single(port);
@@ -2685,6 +2714,16 @@ static int sci_probe(struct platform_device *dev)
 	if (ret)
 		return ret;
 
+	sp->freq_transition.notifier_call = sci_notifier;
+
+	ret = cpufreq_register_notifier(&sp->freq_transition,
+					CPUFREQ_TRANSITION_NOTIFIER);
+	if (unlikely(ret < 0)) {
+		uart_remove_one_port(&sci_uart_driver, &sp->port);
+		sci_cleanup_single(sp);
+		return ret;
+	}
+
 #ifdef CONFIG_SH_STANDARD_BIOS
 	sh_bios_gdb_detach();
 #endif
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index b8b580e5ae6e..9eb1cff28bd4 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -74,15 +74,6 @@ static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd,
 		if (companion->bus != pdev->bus ||
 				PCI_SLOT(companion->devfn) != slot)
 			continue;
-
-		/*
-		 * Companion device should be either UHCI,OHCI or EHCI host
-		 * controller, otherwise skip.
-		 */
-		if (companion->class != CL_UHCI && companion->class != CL_OHCI &&
-				companion->class != CL_EHCI)
-			continue;
-
 		companion_hcd = pci_get_drvdata(companion);
 		if (!companion_hcd || !companion_hcd->self.root_hub)
 			continue;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 278d251d8235..c5fd3ce3ed9a 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -710,7 +710,6 @@ static void ffs_user_copy_worker(struct work_struct *work)
 						   work);
 	int ret = io_data->req->status ? io_data->req->status :
 					 io_data->req->actual;
-	bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;
 
 	ffs_log("enter: ret %d", ret);
 
@@ -724,11 +723,13 @@ static void ffs_user_copy_worker(struct work_struct *work)
 
 	io_data->kiocb->ki_complete(io_data->kiocb, ret, ret);
 
-	if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)
+	if (io_data->ffs->ffs_eventfd &&
+	    !(io_data->kiocb->ki_flags & IOCB_EVENTFD))
 		eventfd_signal(io_data->ffs->ffs_eventfd, 1);
 
 	usb_ep_free_request(io_data->ep, io_data->req);
 
+	io_data->kiocb->private = NULL;
 	if (io_data->read)
 		kfree(io_data->to_free);
 	kfree(io_data->buf);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index ac298e632d73..2ac142e3cce9 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1923,12 +1923,6 @@ no_bw:
 	kfree(xhci->rh_bw);
 	kfree(xhci->ext_caps);
 
-	xhci->usb2_ports = NULL;
-	xhci->usb3_ports = NULL;
-	xhci->port_array = NULL;
-	xhci->rh_bw = NULL;
-	xhci->ext_caps = NULL;
-
 	xhci->page_size = 0;
 	xhci->page_shift = 0;
 	xhci->bus_state[0].bus_suspended = 0;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ea4fb4b0cd44..6c47c26b5df7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -48,7 +48,6 @@
 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI		0xa12f
 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI	0x9d2f
 #define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI		0x0aa8
-#define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI		0x1aa8
 
 static const char hcd_name[] = "xhci_hcd";
 
@@ -157,8 +156,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		(pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
 		 pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
 		 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
-		 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI ||
-		 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI)) {
+		 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI)) {
 		xhci->quirks |= XHCI_PME_STUCK_QUIRK;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f20f0b0d26ef..dd7669331d00 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1113,8 +1113,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 		/* Resume root hubs only when have pending events. */
 		status = readl(&xhci->op_regs->status);
 		if (status & STS_EINT) {
-			usb_hcd_resume_root_hub(xhci->shared_hcd);
 			usb_hcd_resume_root_hub(hcd);
+			usb_hcd_resume_root_hub(xhci->shared_hcd);
 		}
 	}
 
@@ -1129,10 +1129,10 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 
 	/* Re-enable port polling. */
 	xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
-	set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
-	usb_hcd_poll_rh_status(xhci->shared_hcd);
 	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
 	usb_hcd_poll_rh_status(hcd);
+	set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
+	usb_hcd_poll_rh_status(xhci->shared_hcd);
 
 	return retval;
 }
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index a2b43a6e7fa7..bdc0f2f24f19 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -108,7 +108,6 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */
 	{ USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */
 	{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */
-	{ USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */
 	{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
 	{ USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */
@@ -118,7 +117,6 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */
 	{ USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */
 	{ USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
-	{ USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */
 	{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
 	{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
 	{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
@@ -142,8 +140,6 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */
 	{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */
 	{ USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */
-	{ USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */
-	{ USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */
 	{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
 	{ USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
 	{ USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index e40da7759a0e..facaaf003f19 100644
--- a/drivers/usb/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
@@ -741,17 +741,6 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
 	if (!(size > 0))
 		return 0;
 
-	if (size > urb->transfer_buffer_length) {
-		/* should not happen, probably malicious packet */
-		if (ud->side == USBIP_STUB) {
-			usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
-			return 0;
-		} else {
-			usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
-			return -EPIPE;
-		}
-	}
-
 	ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size);
 	if (ret != size) {
 		dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret);
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 9868d8a5c1ed..42ea4028cfe1 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -2249,6 +2249,7 @@ config XEN_FBDEV_FRONTEND
 	select FB_SYS_IMAGEBLIT
 	select FB_SYS_FOPS
 	select FB_DEFERRED_IO
+	select INPUT_XEN_KBDDEV_FRONTEND if INPUT_MISC
 	select XEN_XENBUS_FRONTEND
 	default y
 	help
diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c
index d00510029c93..0081725c6b5b 100644
--- a/drivers/video/fbdev/da8xx-fb.c
+++ b/drivers/video/fbdev/da8xx-fb.c
@@ -209,7 +209,8 @@ static struct fb_videomode known_lcd_panels[] = {
 		.lower_margin   = 2,
 		.hsync_len      = 0,
 		.vsync_len      = 0,
-		.sync           = FB_SYNC_CLK_INVERT,
+		.sync           = FB_SYNC_CLK_INVERT |
+			FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 	},
 	/* Sharp LK043T1DG01 */
 	[1] = {
@@ -223,7 +224,7 @@ static struct fb_videomode known_lcd_panels[] = {
 		.lower_margin   = 2,
 		.hsync_len      = 41,
 		.vsync_len      = 10,
-		.sync           = 0,
+		.sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 		.flag           = 0,
 	},
 	[2] = {
@@ -238,7 +239,7 @@ static struct fb_videomode known_lcd_panels[] = {
 		.lower_margin   = 10,
 		.hsync_len      = 10,
 		.vsync_len      = 10,
-		.sync           = 0,
+		.sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 		.flag           = 0,
 	},
 	[3] = {
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 364bc44610c1..12eab503efd1 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -152,8 +152,6 @@ static DECLARE_WAIT_QUEUE_HEAD(balloon_wq);
 static void balloon_process(struct work_struct *work);
 static DECLARE_DELAYED_WORK(balloon_worker, balloon_process);
 
-static void release_memory_resource(struct resource *resource);
-
 /* When ballooning out (allocating memory to return to Xen) we don't really
    want the kernel to try too hard since that can trigger the oom killer. */
 #define GFP_BALLOON \
@@ -270,20 +268,6 @@ static struct resource *additional_memory_resource(phys_addr_t size)
 		return NULL;
 	}
 
-#ifdef CONFIG_SPARSEMEM
-	{
-		unsigned long limit = 1UL << (MAX_PHYSMEM_BITS - PAGE_SHIFT);
-		unsigned long pfn = res->start >> PAGE_SHIFT;
-
-		if (pfn > limit) {
-			pr_err("New System RAM resource outside addressable RAM (%lu > %lu)\n",
-			       pfn, limit);
-			release_memory_resource(res);
-			return NULL;
-		}
-	}
-#endif
-
 	return res;
 }
 
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index f4edd6df3df2..38272ad24551 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -316,6 +316,7 @@ static int evtchn_resize_ring(struct per_user_data *u)
 {
 	unsigned int new_size;
 	evtchn_port_t *new_ring, *old_ring;
+	unsigned int p, c;
 
 	/*
 	 * Ensure the ring is large enough to capture all possible
@@ -345,17 +346,20 @@ static int evtchn_resize_ring(struct per_user_data *u)
 	/*
 	 * Copy the old ring contents to the new ring.
 	 *
-	 * To take care of wrapping, a full ring, and the new index
-	 * pointing into the second half, simply copy the old contents
-	 * twice.
+	 * If the ring contents crosses the end of the current ring,
+	 * it needs to be copied in two chunks.
 	 *
 	 * +---------+    +------------------+
-	 * |34567  12| -> |34567  1234567  12|
-	 * +-----p-c-+    +-------c------p---+
+	 * |34567  12| -> |       1234567    |
+	 * +-----p-c-+    +------------------+
 	 */
-	memcpy(new_ring, old_ring, u->ring_size * sizeof(*u->ring));
-	memcpy(new_ring + u->ring_size, old_ring,
-	       u->ring_size * sizeof(*u->ring));
+	p = evtchn_ring_offset(u, u->ring_prod);
+	c = evtchn_ring_offset(u, u->ring_cons);
+	if (p < c) {
+		memcpy(new_ring + c, u->ring + c, (u->ring_size - c) * sizeof(*u->ring));
+		memcpy(new_ring + u->ring_size, u->ring, p * sizeof(*u->ring));
+	} else
+		memcpy(new_ring + c, u->ring + c, (p - c) * sizeof(*u->ring));
 
 	u->ring = new_ring;
 	u->ring_size = new_size;