diff options
Diffstat (limited to 'drivers')
46 files changed, 252 insertions, 74 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 5ea529165362..d7fd724edb4d 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1263,14 +1263,15 @@ int dpm_suspend_late(pm_message_t state) error = device_suspend_late(dev); mutex_lock(&dpm_list_mtx); + if (!list_empty(&dev->power.entry)) + list_move(&dev->power.entry, &dpm_late_early_list); + if (error) { pm_dev_err(dev, state, " late", error); dpm_save_failed_dev(dev_name(dev)); put_device(dev); break; } - if (!list_empty(&dev->power.entry)) - list_move(&dev->power.entry, &dpm_late_early_list); put_device(dev); if (async_error) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index e1a10a03df8e..9796a1a15ef6 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -1468,11 +1468,16 @@ int pm_runtime_force_resume(struct device *dev) goto out; } - ret = callback(dev); + ret = pm_runtime_set_active(dev); if (ret) goto out; - pm_runtime_set_active(dev); + ret = callback(dev); + if (ret) { + pm_runtime_set_suspended(dev); + goto out; + } + pm_runtime_mark_last_busy(dev); out: pm_runtime_enable(dev); diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c index 30cf4623184f..aa30af5f0f2b 100644 --- a/drivers/char/hw_random/exynos-rng.c +++ b/drivers/char/hw_random/exynos-rng.c @@ -89,6 +89,7 @@ static int exynos_read(struct hwrng *rng, void *buf, struct exynos_rng, rng); u32 *data = buf; int retry = 100; + int ret = 4; pm_runtime_get_sync(exynos_rng->dev); @@ -97,17 +98,20 @@ static int exynos_read(struct hwrng *rng, void *buf, while (!(exynos_rng_readl(exynos_rng, EXYNOS_PRNG_STATUS_OFFSET) & PRNG_DONE) && --retry) cpu_relax(); - if (!retry) - return -ETIMEDOUT; + if (!retry) { + ret = -ETIMEDOUT; + goto out; + } exynos_rng_writel(exynos_rng, PRNG_DONE, EXYNOS_PRNG_STATUS_OFFSET); *data = exynos_rng_readl(exynos_rng, EXYNOS_PRNG_OUT1_OFFSET); +out: pm_runtime_mark_last_busy(exynos_rng->dev); pm_runtime_put_sync_autosuspend(exynos_rng->dev); - return 4; + return ret; } static int exynos_rng_probe(struct platform_device *pdev) diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c index 61566bcefa53..a165230e7eda 100644 --- a/drivers/clk/at91/clk-h32mx.c +++ b/drivers/clk/at91/clk-h32mx.c @@ -116,7 +116,7 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np, h32mxclk->pmc = pmc; clk = clk_register(NULL, &h32mxclk->hw); - if (!clk) { + if (IS_ERR(clk)) { kfree(h32mxclk); return; } diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 185a4d859638..6029313aa995 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -890,8 +890,14 @@ static void bcm2835_pll_off(struct clk_hw *hw) struct bcm2835_cprman *cprman = pll->cprman; const struct bcm2835_pll_data *data = pll->data; - cprman_write(cprman, data->cm_ctrl_reg, CM_PLL_ANARST); - cprman_write(cprman, data->a2w_ctrl_reg, A2W_PLL_CTRL_PWRDN); + spin_lock(&cprman->regs_lock); + cprman_write(cprman, data->cm_ctrl_reg, + cprman_read(cprman, data->cm_ctrl_reg) | + CM_PLL_ANARST); + cprman_write(cprman, data->a2w_ctrl_reg, + cprman_read(cprman, data->a2w_ctrl_reg) | + A2W_PLL_CTRL_PWRDN); + spin_unlock(&cprman->regs_lock); } static int bcm2835_pll_on(struct clk_hw *hw) @@ -901,6 +907,10 @@ static int bcm2835_pll_on(struct clk_hw *hw) const struct bcm2835_pll_data *data = pll->data; ktime_t timeout; + cprman_write(cprman, data->a2w_ctrl_reg, + cprman_read(cprman, data->a2w_ctrl_reg) & + ~A2W_PLL_CTRL_PWRDN); + /* Take the PLL out of reset. */ cprman_write(cprman, data->cm_ctrl_reg, cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST); @@ -1171,8 +1181,9 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw, div &= ~unused_frac_mask; } - /* Clamp to the limits. */ - div = max(div, unused_frac_mask + 1); + /* clamp to min divider of 1 */ + div = max_t(u32, div, 1 << CM_DIV_FRAC_BITS); + /* clamp to the highest possible fractional divider */ div = min_t(u32, div, GENMASK(data->int_bits + CM_DIV_FRAC_BITS - 1, CM_DIV_FRAC_BITS - data->frac_bits)); diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c index a71d24cb4c06..b0978d3b83e2 100644 --- a/drivers/clk/imx/clk-imx35.c +++ b/drivers/clk/imx/clk-imx35.c @@ -66,7 +66,7 @@ static const char *std_sel[] = {"ppll", "arm"}; static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"}; enum mx35_clks { - ckih, ckil, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg, + ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg, arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, esdhc_sel, esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, spdif_div_pre, spdif_div_post, ssi_sel, ssi1_div_pre, ssi1_div_post, ssi2_div_pre, @@ -79,7 +79,7 @@ enum mx35_clks { rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate, ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate, wdog_gate, max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate, - gpu2d_gate, clk_max + gpu2d_gate, ckil, clk_max }; static struct clk *clk[clk_max]; diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 17a6dc0e2111..d40b2c077746 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -214,7 +214,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, tick_broadcast_exit(); } - if (!cpuidle_state_is_coupled(drv, entered_state)) + if (!cpuidle_state_is_coupled(drv, index)) local_irq_enable(); diff = ktime_to_us(ktime_sub(time_end, time_start)); @@ -433,6 +433,8 @@ static void __cpuidle_unregister_device(struct cpuidle_device *dev) list_del(&dev->device_list); per_cpu(cpuidle_devices, dev->cpu) = NULL; module_put(drv->owner); + + dev->registered = 0; } static void __cpuidle_device_init(struct cpuidle_device *dev) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 119cdc2c43e7..7ef2c13921b4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -194,12 +194,12 @@ int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector) bpc = 8; DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n", connector->name, bpc); - } else if (bpc > 8) { - /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ - DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", - connector->name); - bpc = 8; } + } else if (bpc > 8) { + /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ + DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", + connector->name); + bpc = 8; } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index 7b7f4aba60c0..fe36caf1b7d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -150,7 +150,7 @@ u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev) list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { amdgpu_crtc = to_amdgpu_crtc(crtc); if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) { - vrefresh = amdgpu_crtc->hw_mode.vrefresh; + vrefresh = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); break; } } diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index aeee083c7f95..aed2e3f8a1a2 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -150,7 +150,7 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) for (i = 0; i < state->num_connector; i++) { struct drm_connector *connector = state->connectors[i]; - if (!connector) + if (!connector || !connector->funcs) continue; /* diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 69cbab5e5c81..5ad036741b99 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1899,7 +1899,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, int n, int width, int height) { int c, o; - struct drm_device *dev = fb_helper->dev; struct drm_connector *connector; const struct drm_connector_helper_funcs *connector_funcs; struct drm_encoder *encoder; @@ -1918,7 +1917,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, if (modes[n] == NULL) return best_score; - crtcs = kzalloc(dev->mode_config.num_connector * + crtcs = kzalloc(fb_helper->connector_count * sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL); if (!crtcs) return best_score; @@ -1964,7 +1963,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, if (score > best_score) { best_score = score; memcpy(best_crtcs, crtcs, - dev->mode_config.num_connector * + fb_helper->connector_count * sizeof(struct drm_fb_helper_crtc *)); } } diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c index 6b43ae3ffd73..1616af209bfc 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c @@ -72,7 +72,7 @@ static const char *const dsi_errors[] = { "RX Prot Violation", "HS Generic Write FIFO Full", "LP Generic Write FIFO Full", - "Generic Read Data Avail" + "Generic Read Data Avail", "Special Packet Sent", "Tearing Effect", }; diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index 4fd5fdfef6bd..c0c094d5b822 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -362,12 +362,12 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, uint64_t conn_configured = 0, mask; int pass = 0; - save_enabled = kcalloc(dev->mode_config.num_connector, sizeof(bool), + save_enabled = kcalloc(fb_helper->connector_count, sizeof(bool), GFP_KERNEL); if (!save_enabled) return false; - memcpy(save_enabled, enabled, dev->mode_config.num_connector); + memcpy(save_enabled, enabled, fb_helper->connector_count); mask = (1 << fb_helper->connector_count) - 1; retry: for (i = 0; i < fb_helper->connector_count; i++) { @@ -501,7 +501,7 @@ retry: if (fallback) { bail: DRM_DEBUG_KMS("Not using firmware configuration\n"); - memcpy(enabled, save_enabled, dev->mode_config.num_connector); + memcpy(enabled, save_enabled, fb_helper->connector_count); kfree(save_enabled); return false; } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0a68d2ec89dc..62284e45d531 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3880,6 +3880,8 @@ static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc) if (IS_HASWELL(dev) || IS_BROADWELL(dev)) hw->wm_linetime[pipe] = I915_READ(PIPE_WM_LINETIME(pipe)); + memset(active, 0, sizeof(*active)); + active->pipe_enabled = intel_crtc->active; if (active->pipe_enabled) { diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 7b990b4e96d2..5378bdc3bbf9 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -26,6 +26,7 @@ #include <drm/drm_fb_cma_helper.h> #include <drm/drm_plane_helper.h> #include <drm/drm_of.h> +#include <video/imx-ipu-v3.h> #include "imx-drm.h" @@ -504,6 +505,13 @@ static int compare_of(struct device *dev, void *data) { struct device_node *np = data; + /* Special case for DI, dev->of_node may not be set yet */ + if (strcmp(dev->driver->name, "imx-ipuv3-crtc") == 0) { + struct ipu_client_platformdata *pdata = dev->platform_data; + + return pdata->of_node == np; + } + /* Special case for LDB, one device for two channels */ if (of_node_cmp(np->name, "lvds-channel") == 0) { np = of_get_parent(np); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 4ab841eebee1..9b0abd44b751 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -369,7 +369,7 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc, ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc, &ipu_crtc->plane[0]->base, &ipu_crtc_helper_funcs, - ipu_crtc->dev->of_node); + pdata->of_node); if (ret) { dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret); goto err_put_resources; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 5da5de0cb522..4948c1529836 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -3273,19 +3273,19 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = { &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_ok, + VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET, - &vmw_cmd_ok, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_ok, + &vmw_cmd_dx_cid_check, true, false, true), + VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_ok, + VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_invalid, + VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check, true, false, true), diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index 3b1faf7862a5..679a4cb98ee3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -573,9 +573,9 @@ static int vmw_fb_set_par(struct fb_info *info) mode = old_mode; old_mode = NULL; } else if (!vmw_kms_validate_mode_vram(vmw_priv, - mode->hdisplay * - (var->bits_per_pixel + 7) / 8, - mode->vdisplay)) { + mode->hdisplay * + DIV_ROUND_UP(var->bits_per_pixel, 8), + mode->vdisplay)) { drm_mode_destroy(vmw_priv->dev, mode); return -EINVAL; } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 0585fd2031dd..5030cba4a581 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -997,7 +997,7 @@ struct ipu_platform_reg { }; /* These must be in the order of the corresponding device tree port nodes */ -static const struct ipu_platform_reg client_reg[] = { +static struct ipu_platform_reg client_reg[] = { { .pdata = { .csi = 0, @@ -1048,7 +1048,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) mutex_unlock(&ipu_client_id_mutex); for (i = 0; i < ARRAY_SIZE(client_reg); i++) { - const struct ipu_platform_reg *reg = &client_reg[i]; + struct ipu_platform_reg *reg = &client_reg[i]; struct platform_device *pdev; struct device_node *of_node; @@ -1070,6 +1070,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) pdev->dev.parent = dev; + reg->pdata.of_node = of_node; ret = platform_device_add_data(pdev, ®->pdata, sizeof(reg->pdata)); if (!ret) diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c index 6c99ee7bafa3..ee396ff167d9 100644 --- a/drivers/hwmon/ads7828.c +++ b/drivers/hwmon/ads7828.c @@ -120,6 +120,7 @@ static int ads7828_probe(struct i2c_client *client, unsigned int vref_mv = ADS7828_INT_VREF_MV; bool diff_input = false; bool ext_vref = false; + unsigned int regval; data = devm_kzalloc(dev, sizeof(struct ads7828_data), GFP_KERNEL); if (!data) @@ -154,6 +155,15 @@ static int ads7828_probe(struct i2c_client *client, if (!diff_input) data->cmd_byte |= ADS7828_CMD_SD_SE; + /* + * Datasheet specifies internal reference voltage is disabled by + * default. The internal reference voltage needs to be enabled and + * voltage needs to settle before getting valid ADC data. So perform a + * dummy read to enable the internal reference voltage. + */ + if (!ext_vref) + regmap_read(data->regmap, data->cmd_byte, ®val); + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, data, ads7828_groups); diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 5adbcedcb81c..2bb4c8633d3b 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -893,9 +893,15 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } #ifdef CONFIG_COMPAT + +#define UI_SET_PHYS_COMPAT _IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t) + static long uinput_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + if (cmd == UI_SET_PHYS_COMPAT) + cmd = UI_SET_PHYS; + return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg)); } #endif diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index f38c076752ce..109f687d1cbd 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up) { if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) || - copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format))) + copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) || + copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved))) return -EFAULT; return __put_v4l2_format32(&kp->format, &up->format); } diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c index 68aa31ae553a..88e80ec772f6 100644 --- a/drivers/mfd/intel-lpss.c +++ b/drivers/mfd/intel-lpss.c @@ -33,6 +33,7 @@ #define LPSS_DEV_SIZE 0x200 #define LPSS_PRIV_OFFSET 0x200 #define LPSS_PRIV_SIZE 0x100 +#define LPSS_PRIV_REG_COUNT (LPSS_PRIV_SIZE / 4) #define LPSS_IDMA64_OFFSET 0x800 #define LPSS_IDMA64_SIZE 0x800 @@ -75,6 +76,7 @@ struct intel_lpss { const struct mfd_cell *cell; struct device *dev; void __iomem *priv; + u32 priv_ctx[LPSS_PRIV_REG_COUNT]; int devid; u32 caps; u32 active_ltr; @@ -485,6 +487,16 @@ EXPORT_SYMBOL_GPL(intel_lpss_prepare); int intel_lpss_suspend(struct device *dev) { + struct intel_lpss *lpss = dev_get_drvdata(dev); + unsigned int i; + + /* Save device context */ + for (i = 0; i < LPSS_PRIV_REG_COUNT; i++) + lpss->priv_ctx[i] = readl(lpss->priv + i * 4); + + /* Put the device into reset state */ + writel(0, lpss->priv + LPSS_PRIV_RESETS); + return 0; } EXPORT_SYMBOL_GPL(intel_lpss_suspend); @@ -492,8 +504,13 @@ EXPORT_SYMBOL_GPL(intel_lpss_suspend); int intel_lpss_resume(struct device *dev) { struct intel_lpss *lpss = dev_get_drvdata(dev); + unsigned int i; - intel_lpss_init_dev(lpss); + intel_lpss_deassert_reset(lpss); + + /* Restore device context */ + for (i = 0; i < LPSS_PRIV_REG_COUNT; i++) + writel(lpss->priv_ctx[i], lpss->priv + i * 4); return 0; } diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c index d9e15cf7c6c8..12d6ebb4ae5d 100644 --- a/drivers/mfd/intel_soc_pmic_core.c +++ b/drivers/mfd/intel_soc_pmic_core.c @@ -35,6 +35,7 @@ static struct gpiod_lookup_table panel_gpio_table = { .table = { /* Panel EN/DISABLE */ GPIO_LOOKUP("gpio_crystalcove", 94, "panel", GPIO_ACTIVE_HIGH), + { }, }, }; diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 0947cc271e69..531de256d58d 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1681,6 +1681,10 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode) goto err_hif_stop; } + ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1; + + INIT_LIST_HEAD(&ar->arvifs); + /* we don't care about HTT in UTF mode */ if (mode == ATH10K_FIRMWARE_MODE_NORMAL) { status = ath10k_htt_setup(&ar->htt); @@ -1694,10 +1698,6 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode) if (status) goto err_hif_stop; - ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1; - - INIT_LIST_HEAD(&ar->arvifs); - return 0; err_hif_stop: diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 6cc1aa3449c8..1a88a24ffeac 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1986,7 +1986,12 @@ static ssize_t ath10k_write_pktlog_filter(struct file *file, goto out; } - if (filter && (filter != ar->debug.pktlog_filter)) { + if (filter == ar->debug.pktlog_filter) { + ret = count; + goto out; + } + + if (filter) { ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); if (ret) { ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 95a55405ebf0..1e1bef349487 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4456,7 +4456,10 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, goto err_vdev_delete; } - if (ar->cfg_tx_chainmask) { + /* Configuring number of spatial stream for monitor interface is causing + * target assert in qca9888 and qca6174. + */ + if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) { u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); vdev_param = ar->wmi.vdev_param->nss; @@ -6416,7 +6419,13 @@ ath10k_mac_update_rx_channel(struct ath10k *ar, def = &vifs[0].new_ctx->def; ar->rx_channel = def->chan; - } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) { + } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) || + (ctx && (ar->state == ATH10K_STATE_RESTARTED))) { + /* During driver restart due to firmware assert, since mac80211 + * already has valid channel context for given radio, channel + * context iteration return num_chanctx > 0. So fix rx_channel + * when restart is in progress. + */ ar->rx_channel = ctx->def.chan; } else { ar->rx_channel = NULL; diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c index 803030fd17d3..6a2a16856763 100644 --- a/drivers/net/wireless/ath/ath5k/led.c +++ b/drivers/net/wireless/ath/ath5k/led.c @@ -77,7 +77,7 @@ static const struct pci_device_id ath5k_led_devices[] = { /* HP Compaq CQ60-206US (ddreggors@jumptv.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137a), ATH_LED(3, 1) }, /* HP Compaq C700 (nitrousnrg@gmail.com) */ - { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 1) }, + { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 0) }, /* LiteOn AR5BXB63 (magooz@salug.it) */ { ATH_SDEVICE(PCI_VENDOR_ID_ATHEROS, 0x3067), ATH_LED(3, 0) }, /* IBM-specific AR5212 (all others) */ diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 2e2b92ba96b8..1bdeacf7b257 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -49,6 +49,10 @@ int ath9k_led_blink; module_param_named(blink, ath9k_led_blink, int, 0444); MODULE_PARM_DESC(blink, "Enable LED blink on activity"); +static int ath9k_led_active_high = -1; +module_param_named(led_active_high, ath9k_led_active_high, int, 0444); +MODULE_PARM_DESC(led_active_high, "Invert LED polarity"); + static int ath9k_btcoex_enable; module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444); MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence"); @@ -600,6 +604,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, if (ret) return ret; + if (ath9k_led_active_high != -1) + ah->config.led_active_high = ath9k_led_active_high == 1; + /* * Enable WLAN/BT RX Antenna diversity only when: * diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index e6fef1be9977..7cdaf40c3057 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -28,6 +28,16 @@ static const struct pci_device_id ath_pci_id_table[] = { { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */ { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */ { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */ + +#ifdef CONFIG_ATH9K_PCOEM + /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS, + 0x0029, + PCI_VENDOR_ID_ATHEROS, + 0x2096), + .driver_data = ATH9K_PCI_LED_ACT_HI }, +#endif + { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */ #ifdef CONFIG_ATH9K_PCOEM diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index 0517a4f2d3f2..7a40d8dffa36 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -1660,9 +1660,9 @@ void rtl_watchdog_wq_callback(void *data) if (((rtlpriv->link_info.num_rx_inperiod + rtlpriv->link_info.num_tx_inperiod) > 8) || (rtlpriv->link_info.num_rx_inperiod > 2)) - rtl_lps_enter(hw); - else rtl_lps_leave(hw); + else + rtl_lps_enter(hw); } rtlpriv->link_info.num_rx_inperiod = 0; diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c index f2b9d11adc9e..e85f1652ce55 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c @@ -1203,7 +1203,6 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist, /* Force GNT_BT to low */ btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x0); - btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0); if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT) { /* tell firmware "no antenna inverse" */ @@ -1211,19 +1210,25 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist, h2c_parameter[1] = 1; /* ext switch type */ btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, h2c_parameter); + btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0); } else { /* tell firmware "antenna inverse" */ h2c_parameter[0] = 1; h2c_parameter[1] = 1; /* ext switch type */ btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, h2c_parameter); + btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280); } } /* ext switch setting */ if (use_ext_switch) { /* fixed internal switch S1->WiFi, S0->BT */ - btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0); + if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0); + else + btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280); + switch (antpos_type) { case BTC_ANT_WIFI_AT_MAIN: /* ext switch main at wifi */ diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c index b2791c893417..babd1490f20c 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c @@ -965,13 +965,38 @@ void exhalbtc_set_chip_type(u8 chip_type) } } -void exhalbtc_set_ant_num(u8 type, u8 ant_num) +void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num) { if (BT_COEX_ANT_TYPE_PG == type) { gl_bt_coexist.board_info.pg_ant_num = ant_num; gl_bt_coexist.board_info.btdm_ant_num = ant_num; + /* The antenna position: + * Main (default) or Aux for pgAntNum=2 && btdmAntNum =1. + * The antenna position should be determined by + * auto-detect mechanism. + * The following is assumed to main, + * and those must be modified + * if y auto-detect mechanism is ready + */ + if ((gl_bt_coexist.board_info.pg_ant_num == 2) && + (gl_bt_coexist.board_info.btdm_ant_num == 1)) + gl_bt_coexist.board_info.btdm_ant_pos = + BTC_ANTENNA_AT_MAIN_PORT; + else + gl_bt_coexist.board_info.btdm_ant_pos = + BTC_ANTENNA_AT_MAIN_PORT; } else if (BT_COEX_ANT_TYPE_ANTDIV == type) { gl_bt_coexist.board_info.btdm_ant_num = ant_num; + gl_bt_coexist.board_info.btdm_ant_pos = + BTC_ANTENNA_AT_MAIN_PORT; + } else if (type == BT_COEX_ANT_TYPE_DETECTED) { + gl_bt_coexist.board_info.btdm_ant_num = ant_num; + if (rtlpriv->cfg->mod_params->ant_sel == 1) + gl_bt_coexist.board_info.btdm_ant_pos = + BTC_ANTENNA_AT_AUX_PORT; + else + gl_bt_coexist.board_info.btdm_ant_pos = + BTC_ANTENNA_AT_MAIN_PORT; } } diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h index 0a903ea179ef..f41ca57dd8a7 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h @@ -535,7 +535,7 @@ void exhalbtc_set_bt_patch_version(u16 bt_hci_version, u16 bt_patch_version); void exhalbtc_update_min_bt_rssi(char bt_rssi); void exhalbtc_set_bt_exist(bool bt_exist); void exhalbtc_set_chip_type(u8 chip_type); -void exhalbtc_set_ant_num(u8 type, u8 ant_num); +void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num); void exhalbtc_display_bt_coex_info(struct btc_coexist *btcoexist); void exhalbtc_signal_compensation(struct btc_coexist *btcoexist, u8 *rssi_wifi, u8 *rssi_bt); diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c index b9b0cb7af8ea..d3fd9211b3a4 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c @@ -72,7 +72,10 @@ void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv) __func__, bt_type); exhalbtc_set_chip_type(bt_type); - exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num); + if (rtlpriv->cfg->mod_params->ant_sel == 1) + exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_DETECTED, 1); + else + exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_PG, ant_num); } void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv) diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 7f471bff435c..5b4048041147 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -1573,7 +1573,7 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw) true, HW_DESC_TXBUFF_ADDR), skb->len, PCI_DMA_TODEVICE); - kfree_skb(skb); + dev_kfree_skb_irq(skb); ring->idx = (ring->idx + 1) % ring->entries; } ring->idx = 0; diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c index c983d2fe147f..5a3df9198ddf 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c @@ -2684,6 +2684,7 @@ void rtl8723be_read_bt_coexist_info_from_hwpg(struct ieee80211_hw *hw, bool auto_load_fail, u8 *hwinfo) { struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mod_params *mod_params = rtlpriv->cfg->mod_params; u8 value; u32 tmpu_32; @@ -2702,6 +2703,10 @@ void rtl8723be_read_bt_coexist_info_from_hwpg(struct ieee80211_hw *hw, rtlpriv->btcoexist.btc_info.ant_num = ANT_X2; } + /* override ant_num / ant_path */ + if (mod_params->ant_sel) + rtlpriv->btcoexist.btc_info.ant_num = + (mod_params->ant_sel == 1 ? ANT_X2 : ANT_X1); } void rtl8723be_bt_reg_init(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c index a78eaeda0008..2101793438ed 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c @@ -273,6 +273,7 @@ static struct rtl_mod_params rtl8723be_mod_params = { .msi_support = false, .disable_watchdog = false, .debug = DBG_EMERG, + .ant_sel = 0, }; static struct rtl_hal_cfg rtl8723be_hal_cfg = { @@ -394,6 +395,7 @@ module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444); module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444); module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog, bool, 0444); +module_param_named(ant_sel, rtl8723be_mod_params.ant_sel, int, 0444); MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n"); MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n"); @@ -402,6 +404,7 @@ MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n"); MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)"); MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n"); +MODULE_PARM_DESC(ant_sel, "Set to 1 or 2 to force antenna number (default 0)\n"); static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index 4544752a2ba8..b6faf624480e 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -2252,6 +2252,9 @@ struct rtl_mod_params { /* default 0: 1 means do not disable interrupts */ bool int_clear; + + /* select antenna */ + int ant_sel; }; struct rtl_hal_usbint_cfg { diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 7aafb5fb9336..9757cf9037a2 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -179,9 +179,6 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, u16 orig_cmd; struct pci_bus_region region, inverted_region; - if (dev->non_compliant_bars) - return 0; - mask = type ? PCI_ROM_ADDRESS_MASK : ~0; /* No printks while decoding is disabled! */ @@ -322,6 +319,9 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) { unsigned int pos, reg; + if (dev->non_compliant_bars) + return; + for (pos = 0; pos < howmany; pos++) { struct resource *res = &dev->resource[pos]; reg = PCI_BASE_ADDRESS_0 + (pos << 2); diff --git a/drivers/pinctrl/samsung/pinctrl-exynos5440.c b/drivers/pinctrl/samsung/pinctrl-exynos5440.c index 82dc109f7ed4..3149a877c51f 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos5440.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos5440.c @@ -107,6 +107,7 @@ struct exynos5440_pmx_func { * @nr_groups: number of pin groups available. * @pmx_functions: list of pin functions parsed from device tree. * @nr_functions: number of pin functions available. + * @range: gpio range to register with pinctrl */ struct exynos5440_pinctrl_priv_data { void __iomem *reg_base; @@ -117,6 +118,7 @@ struct exynos5440_pinctrl_priv_data { unsigned int nr_groups; const struct exynos5440_pmx_func *pmx_functions; unsigned int nr_functions; + struct pinctrl_gpio_range range; }; /** @@ -742,7 +744,6 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev, struct pinctrl_desc *ctrldesc; struct pinctrl_dev *pctl_dev; struct pinctrl_pin_desc *pindesc, *pdesc; - struct pinctrl_gpio_range grange; char *pin_names; int pin, ret; @@ -794,12 +795,12 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev, return PTR_ERR(pctl_dev); } - grange.name = "exynos5440-pctrl-gpio-range"; - grange.id = 0; - grange.base = 0; - grange.npins = EXYNOS5440_MAX_PINS; - grange.gc = priv->gc; - pinctrl_add_gpio_range(pctl_dev, &grange); + priv->range.name = "exynos5440-pctrl-gpio-range"; + priv->range.id = 0; + priv->range.base = 0; + priv->range.npins = EXYNOS5440_MAX_PINS; + priv->range.gc = priv->gc; + pinctrl_add_gpio_range(pctl_dev, &priv->range); return 0; } diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index d044f3f273be..467773033a20 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -29,6 +29,7 @@ enum { #define AAC_INT_MODE_MSI (1<<1) #define AAC_INT_MODE_AIF (1<<2) #define AAC_INT_MODE_SYNC (1<<3) +#define AAC_INT_MODE_MSIX (1<<16) #define AAC_INT_ENABLE_TYPE1_INTX 0xfffffffb #define AAC_INT_ENABLE_TYPE1_MSIX 0xfffffffa diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 0e954e37f0b5..0d351cd3191b 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -37,6 +37,7 @@ #include <linux/spinlock.h> #include <linux/slab.h> #include <linux/blkdev.h> +#include <linux/delay.h> #include <linux/completion.h> #include <linux/mm.h> #include <scsi/scsi_host.h> @@ -47,6 +48,20 @@ struct aac_common aac_config = { .irq_mod = 1 }; +static inline int aac_is_msix_mode(struct aac_dev *dev) +{ + u32 status; + + status = src_readl(dev, MUnit.OMR); + return (status & AAC_INT_MODE_MSIX); +} + +static inline void aac_change_to_intx(struct aac_dev *dev) +{ + aac_src_access_devreg(dev, AAC_DISABLE_MSIX); + aac_src_access_devreg(dev, AAC_ENABLE_INTX); +} + static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign) { unsigned char *base; @@ -425,6 +440,15 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) dev->comm_interface = AAC_COMM_PRODUCER; dev->raw_io_interface = dev->raw_io_64 = 0; + + /* + * Enable INTX mode, if not done already Enabled + */ + if (aac_is_msix_mode(dev)) { + aac_change_to_intx(dev); + dev_info(&dev->pdev->dev, "Changed firmware to INTX mode"); + } + if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES, 0, 0, 0, 0, 0, 0, status+0, status+1, status+2, status+3, NULL)) && diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 4cbf54928640..8c758c36fc70 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -611,10 +611,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, } return -EFAULT; } - /* We used to udelay() here but that absorbed - * a CPU when a timeout occured. Not very - * useful. */ - cpu_relax(); + /* + * Allow other processes / CPUS to use core + */ + schedule(); } } else if (down_interruptible(&fibptr->event_wait)) { /* Do nothing ... satisfy @@ -1970,6 +1970,10 @@ int aac_command_thread(void *data) if (difference <= 0) difference = 1; set_current_state(TASK_INTERRUPTIBLE); + + if (kthread_should_stop()) + break; + schedule_timeout(difference); if (kthread_should_stop()) diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index 73190f5d2832..71d26c8e1b8f 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -1478,6 +1478,9 @@ static const struct of_device_id ucc_uart_match[] = { .type = "serial", .compatible = "ucc_uart", }, + { + .compatible = "fsl,t1040-ucc-uart", + }, {}, }; MODULE_DEVICE_TABLE(of, ucc_uart_match); diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 44367783f07a..83ec7b89d308 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -487,7 +487,8 @@ static void eoi_pirq(struct irq_data *data) if (!VALID_EVTCHN(evtchn)) return; - if (unlikely(irqd_is_setaffinity_pending(data))) { + if (unlikely(irqd_is_setaffinity_pending(data)) && + likely(!irqd_irq_disabled(data))) { int masked = test_and_set_mask(evtchn); clear_evtchn(evtchn); @@ -1370,7 +1371,8 @@ static void ack_dynirq(struct irq_data *data) if (!VALID_EVTCHN(evtchn)) return; - if (unlikely(irqd_is_setaffinity_pending(data))) { + if (unlikely(irqd_is_setaffinity_pending(data)) && + likely(!irqd_irq_disabled(data))) { int masked = test_and_set_mask(evtchn); clear_evtchn(evtchn); |