summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/mach-msm/Makefile10
-rw-r--r--arch/arm/mach-msm/board-halibut.c2
-rw-r--r--arch/arm/mach-msm/board-msm7x30.c2
-rw-r--r--arch/arm/mach-msm/board-qsd8x50.c2
-rw-r--r--arch/arm/mach-msm/board-trout-panel.c19
-rw-r--r--arch/arm/mach-msm/board-trout.c3
-rw-r--r--arch/arm/mach-msm/clock-7x30.h155
-rw-r--r--arch/arm/mach-msm/clock-debug.c130
-rw-r--r--arch/arm/mach-msm/clock-pcom.c149
-rw-r--r--arch/arm/mach-msm/clock-pcom.h31
-rw-r--r--arch/arm/mach-msm/clock.c166
-rw-r--r--arch/arm/mach-msm/clock.h51
-rw-r--r--arch/arm/mach-msm/devices-msm7x00.c12
-rw-r--r--arch/arm/mach-msm/devices-msm7x30.c15
-rw-r--r--arch/arm/mach-msm/devices-qsd8x50.c12
-rw-r--r--arch/arm/mach-msm/devices.h15
-rw-r--r--arch/arm/mach-msm/dma.c5
-rw-r--r--arch/arm/mach-msm/include/mach/board.h5
-rw-r--r--arch/arm/mach-msm/include/mach/clk.h9
-rw-r--r--drivers/iommu/msm_iommu_dev.c20
-rw-r--r--drivers/mmc/host/msm_sdcc.c14
-rw-r--r--drivers/tty/serial/msm_serial.c35
-rw-r--r--drivers/usb/phy/phy-msm-usb.c38
24 files changed, 243 insertions, 659 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9fbdc10fe835..45230dec9ebf 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -623,8 +623,8 @@ config ARCH_MSM
bool "Qualcomm MSM"
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
+ select COMMON_CLK
select GENERIC_CLOCKEVENTS
- select HAVE_CLK
help
Support for Qualcomm MSM/QSD based systems. This runs on the
apps processor of the MSM/QSD and depends on a shared memory
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 17519faf082f..700d77b7eb1a 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -1,16 +1,18 @@
obj-y += io.o timer.o
obj-y += clock.o
-obj-$(CONFIG_DEBUG_FS) += clock-debug.o
obj-$(CONFIG_MSM_VIC) += irq-vic.o
obj-$(CONFIG_MSM_IOMMU) += devices-iommu.o
-obj-$(CONFIG_ARCH_MSM7X00A) += dma.o irq.o
-obj-$(CONFIG_ARCH_MSM7X30) += dma.o
-obj-$(CONFIG_ARCH_QSD8X50) += dma.o sirc.o
+obj-$(CONFIG_ARCH_MSM7X00A) += irq.o
+obj-$(CONFIG_ARCH_QSD8X50) += sirc.o
obj-$(CONFIG_MSM_PROC_COMM) += proc_comm.o clock-pcom.o vreg.o
+obj-$(CONFIG_ARCH_MSM7X00A) += dma.o
+obj-$(CONFIG_ARCH_MSM7X30) += dma.o
+obj-$(CONFIG_ARCH_QSD8X50) += dma.o
+
obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
obj-$(CONFIG_MSM_SMD) += last_radio_log.o
obj-$(CONFIG_MSM_SCM) += scm.o scm-boot.o
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index 82eaf88d2026..803651ad4f62 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -59,6 +59,7 @@ static struct platform_device smc91x_device = {
};
static struct platform_device *devices[] __initdata = {
+ &msm_clock_7x01a,
&msm_device_gpio_7201,
&msm_device_uart3,
&msm_device_smd,
@@ -91,7 +92,6 @@ static void __init halibut_fixup(struct tag *tags, char **cmdline,
static void __init halibut_map_io(void)
{
msm_map_common_io();
- msm_clock_init(msm_clocks_7x01a, msm_num_clocks_7x01a);
}
static void __init halibut_init_late(void)
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 520c141acd03..db3d8c0bc8a4 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -89,6 +89,7 @@ struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
};
static struct platform_device *devices[] __initdata = {
+ &msm_clock_7x30,
&msm_device_gpio_7x30,
#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
&msm_device_uart2,
@@ -116,7 +117,6 @@ static void __init msm7x30_init(void)
static void __init msm7x30_map_io(void)
{
msm_map_msm7x30_io();
- msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
}
static void __init msm7x30_init_late(void)
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c
index 38a532d6937c..f14a73d86bc0 100644
--- a/arch/arm/mach-msm/board-qsd8x50.c
+++ b/arch/arm/mach-msm/board-qsd8x50.c
@@ -89,6 +89,7 @@ static struct msm_otg_platform_data msm_otg_pdata = {
};
static struct platform_device *devices[] __initdata = {
+ &msm_clock_8x50,
&msm_device_gpio_8x50,
&msm_device_uart3,
&msm_device_smd,
@@ -172,7 +173,6 @@ static void __init qsd8x50_init_mmc(void)
static void __init qsd8x50_map_io(void)
{
msm_map_qsd8x50_io();
- msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
}
static void __init qsd8x50_init_irq(void)
diff --git a/arch/arm/mach-msm/board-trout-panel.c b/arch/arm/mach-msm/board-trout-panel.c
index f9a5db6d2ced..77b0a26f897f 100644
--- a/arch/arm/mach-msm/board-trout-panel.c
+++ b/arch/arm/mach-msm/board-trout-panel.c
@@ -7,7 +7,6 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/leds.h>
-#include <linux/clk.h>
#include <linux/err.h>
#include <asm/io.h>
@@ -19,6 +18,7 @@
#include "board-trout.h"
#include "proc_comm.h"
+#include "clock-pcom.h"
#include "devices.h"
#define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 255
@@ -170,7 +170,6 @@ static struct mddi_table mddi_toshiba_init_table[] = {
#define INTMASK_VWAKEOUT (1U << 0)
-static struct clk *gp_clk;
static int trout_new_backlight = 1;
static struct vreg *vreg_mddi_1v5;
static struct vreg *vreg_lcm_2v85;
@@ -273,18 +272,14 @@ int __init trout_init_panel(void)
} else {
uint32_t config = PCOM_GPIO_CFG(27, 1, GPIO_OUTPUT,
GPIO_NO_PULL, GPIO_8MA);
+ uint32_t id = P_GP_CLK;
+ uint32_t rate = 19200000;
+
msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);
- gp_clk = clk_get(NULL, "gp_clk");
- if (IS_ERR(gp_clk)) {
- printk(KERN_ERR "trout_init_panel: could not get gp"
- "clock\n");
- gp_clk = NULL;
- }
- rc = clk_set_rate(gp_clk, 19200000);
- if (rc)
- printk(KERN_ERR "trout_init_panel: set clock rate "
- "failed\n");
+ msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
+ if (id < 0)
+ pr_err("trout_init_panel: set clock rate failed\n");
}
rc = platform_device_register(&msm_device_mdp);
diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 80fe1c5ff5c1..64a46eb4fc49 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -36,6 +36,7 @@
extern int trout_init_mmc(unsigned int);
static struct platform_device *devices[] __initdata = {
+ &msm_clock_7x01a,
&msm_device_gpio_7201,
&msm_device_uart3,
&msm_device_smd,
@@ -94,8 +95,6 @@ static void __init trout_map_io(void)
/* route UART3 to the "H2W" extended usb connector */
writeb(0x80, TROUT_CPLD_BASE + 0x00);
#endif
-
- msm_clock_init(msm_clocks_7x01a, msm_num_clocks_7x01a);
}
static void __init trout_init_late(void)
diff --git a/arch/arm/mach-msm/clock-7x30.h b/arch/arm/mach-msm/clock-7x30.h
deleted file mode 100644
index 14104453688b..000000000000
--- a/arch/arm/mach-msm/clock-7x30.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/* Copyright (c) 2009, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ARCH_ARM_MACH_MSM_CLOCK_7X30_H
-#define __ARCH_ARM_MACH_MSM_CLOCK_7X30_H
-
-enum {
- L_7X30_NONE_CLK = -1,
- L_7X30_ADM_CLK,
- L_7X30_I2C_CLK,
- L_7X30_I2C_2_CLK,
- L_7X30_QUP_I2C_CLK,
- L_7X30_UART1DM_CLK,
- L_7X30_UART1DM_P_CLK,
- L_7X30_UART2DM_CLK,
- L_7X30_UART2DM_P_CLK,
- L_7X30_EMDH_CLK,
- L_7X30_EMDH_P_CLK,
- L_7X30_PMDH_CLK,
- L_7X30_PMDH_P_CLK,
- L_7X30_GRP_2D_CLK,
- L_7X30_GRP_2D_P_CLK,
- L_7X30_GRP_3D_SRC_CLK,
- L_7X30_GRP_3D_CLK,
- L_7X30_GRP_3D_P_CLK,
- L_7X30_IMEM_CLK,
- L_7X30_SDC1_CLK,
- L_7X30_SDC1_P_CLK,
- L_7X30_SDC2_CLK,
- L_7X30_SDC2_P_CLK,
- L_7X30_SDC3_CLK,
- L_7X30_SDC3_P_CLK,
- L_7X30_SDC4_CLK,
- L_7X30_SDC4_P_CLK,
- L_7X30_MDP_CLK,
- L_7X30_MDP_P_CLK,
- L_7X30_MDP_LCDC_PCLK_CLK,
- L_7X30_MDP_LCDC_PAD_PCLK_CLK,
- L_7X30_MDP_VSYNC_CLK,
- L_7X30_MI2S_CODEC_RX_M_CLK,
- L_7X30_MI2S_CODEC_RX_S_CLK,
- L_7X30_MI2S_CODEC_TX_M_CLK,
- L_7X30_MI2S_CODEC_TX_S_CLK,
- L_7X30_MI2S_M_CLK,
- L_7X30_MI2S_S_CLK,
- L_7X30_LPA_CODEC_CLK,
- L_7X30_LPA_CORE_CLK,
- L_7X30_LPA_P_CLK,
- L_7X30_MIDI_CLK,
- L_7X30_MDC_CLK,
- L_7X30_ROTATOR_IMEM_CLK,
- L_7X30_ROTATOR_P_CLK,
- L_7X30_SDAC_M_CLK,
- L_7X30_SDAC_CLK,
- L_7X30_UART1_CLK,
- L_7X30_UART2_CLK,
- L_7X30_UART3_CLK,
- L_7X30_TV_CLK,
- L_7X30_TV_DAC_CLK,
- L_7X30_TV_ENC_CLK,
- L_7X30_HDMI_CLK,
- L_7X30_TSIF_REF_CLK,
- L_7X30_TSIF_P_CLK,
- L_7X30_USB_HS_SRC_CLK,
- L_7X30_USB_HS_CLK,
- L_7X30_USB_HS_CORE_CLK,
- L_7X30_USB_HS_P_CLK,
- L_7X30_USB_HS2_CLK,
- L_7X30_USB_HS2_CORE_CLK,
- L_7X30_USB_HS2_P_CLK,
- L_7X30_USB_HS3_CLK,
- L_7X30_USB_HS3_CORE_CLK,
- L_7X30_USB_HS3_P_CLK,
- L_7X30_VFE_CLK,
- L_7X30_VFE_P_CLK,
- L_7X30_VFE_MDC_CLK,
- L_7X30_VFE_CAMIF_CLK,
- L_7X30_CAMIF_PAD_P_CLK,
- L_7X30_CAM_M_CLK,
- L_7X30_JPEG_CLK,
- L_7X30_JPEG_P_CLK,
- L_7X30_VPE_CLK,
- L_7X30_MFC_CLK,
- L_7X30_MFC_DIV2_CLK,
- L_7X30_MFC_P_CLK,
- L_7X30_SPI_CLK,
- L_7X30_SPI_P_CLK,
- L_7X30_CSI0_CLK,
- L_7X30_CSI0_VFE_CLK,
- L_7X30_CSI0_P_CLK,
- L_7X30_CSI1_CLK,
- L_7X30_CSI1_VFE_CLK,
- L_7X30_CSI1_P_CLK,
- L_7X30_GLBL_ROOT_CLK,
-
- L_7X30_AXI_LI_VG_CLK,
- L_7X30_AXI_LI_GRP_CLK,
- L_7X30_AXI_LI_JPEG_CLK,
- L_7X30_AXI_GRP_2D_CLK,
- L_7X30_AXI_MFC_CLK,
- L_7X30_AXI_VPE_CLK,
- L_7X30_AXI_LI_VFE_CLK,
- L_7X30_AXI_LI_APPS_CLK,
- L_7X30_AXI_MDP_CLK,
- L_7X30_AXI_IMEM_CLK,
- L_7X30_AXI_LI_ADSP_A_CLK,
- L_7X30_AXI_ROTATOR_CLK,
-
- L_7X30_NR_CLKS
-};
-
-struct clk_ops;
-extern struct clk_ops clk_ops_7x30;
-
-struct clk_ops *clk_7x30_is_local(uint32_t id);
-int clk_7x30_init(void);
-
-void pll_enable(uint32_t pll);
-void pll_disable(uint32_t pll);
-
-extern int internal_pwr_rail_ctl_auto(unsigned rail_id, bool enable);
-
-#define CLK_7X30(clk_name, clk_id, clk_dev, clk_flags) { \
- .con_id = clk_name, \
- .dev_id = clk_dev, \
- .clk = &(struct clk){ \
- .id = L_7X30_##clk_id, \
- .remote_id = P_##clk_id, \
- .flags = clk_flags, \
- .dbg_name = #clk_id, \
- }, \
- }
-
-#define CLK_7X30S(clk_name, l_id, r_id, clk_dev, clk_flags) { \
- .con_id = clk_name, \
- .dev_id = clk_dev, \
- .clk = &(struct clk){ \
- .id = L_7X30_##l_id, \
- .remote_id = P_##r_id, \
- .flags = clk_flags, \
- .dbg_name = #l_id, \
- .ops = &clk_ops_pcom, \
- }, \
- }
-
-#endif
diff --git a/arch/arm/mach-msm/clock-debug.c b/arch/arm/mach-msm/clock-debug.c
deleted file mode 100644
index b0fbdf1cbdd1..000000000000
--- a/arch/arm/mach-msm/clock-debug.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/ctype.h>
-#include <linux/debugfs.h>
-#include <linux/clk.h>
-#include "clock.h"
-
-static int clock_debug_rate_set(void *data, u64 val)
-{
- struct clk *clock = data;
- int ret;
-
- /* Only increases to max rate will succeed, but that's actually good
- * for debugging purposes so we don't check for error. */
- if (clock->flags & CLK_MAX)
- clk_set_max_rate(clock, val);
- if (clock->flags & CLK_MIN)
- ret = clk_set_min_rate(clock, val);
- else
- ret = clk_set_rate(clock, val);
- if (ret != 0)
- printk(KERN_ERR "clk_set%s_rate failed (%d)\n",
- (clock->flags & CLK_MIN) ? "_min" : "", ret);
- return ret;
-}
-
-static int clock_debug_rate_get(void *data, u64 *val)
-{
- struct clk *clock = data;
- *val = clk_get_rate(clock);
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_debug_rate_get,
- clock_debug_rate_set, "%llu\n");
-
-static int clock_debug_enable_set(void *data, u64 val)
-{
- struct clk *clock = data;
- int rc = 0;
-
- if (val)
- rc = clock->ops->enable(clock->id);
- else
- clock->ops->disable(clock->id);
-
- return rc;
-}
-
-static int clock_debug_enable_get(void *data, u64 *val)
-{
- struct clk *clock = data;
-
- *val = clock->ops->is_enabled(clock->id);
-
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(clock_enable_fops, clock_debug_enable_get,
- clock_debug_enable_set, "%llu\n");
-
-static int clock_debug_local_get(void *data, u64 *val)
-{
- struct clk *clock = data;
-
- *val = clock->ops->is_local(clock->id);
-
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(clock_local_fops, clock_debug_local_get,
- NULL, "%llu\n");
-
-static struct dentry *debugfs_base;
-
-int __init clock_debug_init(void)
-{
- debugfs_base = debugfs_create_dir("clk", NULL);
- if (!debugfs_base)
- return -ENOMEM;
- return 0;
-}
-
-int __init clock_debug_add(struct clk *clock)
-{
- char temp[50], *ptr;
- struct dentry *clk_dir;
-
- if (!debugfs_base)
- return -ENOMEM;
-
- strlcpy(temp, clock->dbg_name, ARRAY_SIZE(temp));
- for (ptr = temp; *ptr; ptr++)
- *ptr = tolower(*ptr);
-
- clk_dir = debugfs_create_dir(temp, debugfs_base);
- if (!clk_dir)
- return -ENOMEM;
-
- if (!debugfs_create_file("rate", S_IRUGO | S_IWUSR, clk_dir,
- clock, &clock_rate_fops))
- goto error;
-
- if (!debugfs_create_file("enable", S_IRUGO | S_IWUSR, clk_dir,
- clock, &clock_enable_fops))
- goto error;
-
- if (!debugfs_create_file("is_local", S_IRUGO, clk_dir, clock,
- &clock_local_fops))
- goto error;
- return 0;
-error:
- debugfs_remove_recursive(clk_dir);
- return -ENOMEM;
-}
diff --git a/arch/arm/mach-msm/clock-pcom.c b/arch/arm/mach-msm/clock-pcom.c
index a52c970df157..9a80449518e6 100644
--- a/arch/arm/mach-msm/clock-pcom.c
+++ b/arch/arm/mach-msm/clock-pcom.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2007-2012, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -13,20 +13,33 @@
*
*/
+#include <linux/kernel.h>
#include <linux/err.h>
-#include <linux/ctype.h>
-#include <linux/stddef.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
#include <mach/clk.h>
#include "proc_comm.h"
#include "clock.h"
#include "clock-pcom.h"
-/*
- * glue for the proc_comm interface
- */
-static int pc_clk_enable(unsigned id)
+struct clk_pcom {
+ unsigned id;
+ unsigned long flags;
+ struct msm_clk msm_clk;
+};
+
+static inline struct clk_pcom *to_clk_pcom(struct clk_hw *hw)
{
+ return container_of(to_msm_clk(hw), struct clk_pcom, msm_clk);
+}
+
+static int pc_clk_enable(struct clk_hw *hw)
+{
+ unsigned id = to_clk_pcom(hw)->id;
int rc = msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
if (rc < 0)
return rc;
@@ -34,14 +47,16 @@ static int pc_clk_enable(unsigned id)
return (int)id < 0 ? -EINVAL : 0;
}
-static void pc_clk_disable(unsigned id)
+static void pc_clk_disable(struct clk_hw *hw)
{
+ unsigned id = to_clk_pcom(hw)->id;
msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, NULL);
}
-int pc_clk_reset(unsigned id, enum clk_reset_action action)
+static int pc_clk_reset(struct clk_hw *hw, enum clk_reset_action action)
{
int rc;
+ unsigned id = to_clk_pcom(hw)->id;
if (action == CLK_RESET_ASSERT)
rc = msm_proc_comm(PCOM_CLKCTL_RPC_RESET_ASSERT, &id, NULL);
@@ -54,85 +69,109 @@ int pc_clk_reset(unsigned id, enum clk_reset_action action)
return (int)id < 0 ? -EINVAL : 0;
}
-static int pc_clk_set_rate(unsigned id, unsigned rate)
+static int pc_clk_set_rate(struct clk_hw *hw, unsigned long new_rate,
+ unsigned long p_rate)
{
- /* The rate _might_ be rounded off to the nearest KHz value by the
+ struct clk_pcom *p = to_clk_pcom(hw);
+ unsigned id = p->id, rate = new_rate;
+ int rc;
+
+ /*
+ * The rate _might_ be rounded off to the nearest KHz value by the
* remote function. So a return value of 0 doesn't necessarily mean
* that the exact rate was set successfully.
*/
- int rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
- if (rc < 0)
- return rc;
- else
- return (int)id < 0 ? -EINVAL : 0;
-}
-
-static int pc_clk_set_min_rate(unsigned id, unsigned rate)
-{
- int rc = msm_proc_comm(PCOM_CLKCTL_RPC_MIN_RATE, &id, &rate);
- if (rc < 0)
- return rc;
- else
- return (int)id < 0 ? -EINVAL : 0;
-}
-
-static int pc_clk_set_max_rate(unsigned id, unsigned rate)
-{
- int rc = msm_proc_comm(PCOM_CLKCTL_RPC_MAX_RATE, &id, &rate);
- if (rc < 0)
- return rc;
+ if (p->flags & CLKFLAG_MIN)
+ rc = msm_proc_comm(PCOM_CLKCTL_RPC_MIN_RATE, &id, &rate);
else
- return (int)id < 0 ? -EINVAL : 0;
-}
-
-static int pc_clk_set_flags(unsigned id, unsigned flags)
-{
- int rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_FLAGS, &id, &flags);
+ rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
if (rc < 0)
return rc;
else
return (int)id < 0 ? -EINVAL : 0;
}
-static unsigned pc_clk_get_rate(unsigned id)
+static unsigned long pc_clk_recalc_rate(struct clk_hw *hw, unsigned long p_rate)
{
+ unsigned id = to_clk_pcom(hw)->id;
if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, NULL))
return 0;
else
return id;
}
-static unsigned pc_clk_is_enabled(unsigned id)
+static int pc_clk_is_enabled(struct clk_hw *hw)
{
+ unsigned id = to_clk_pcom(hw)->id;
if (msm_proc_comm(PCOM_CLKCTL_RPC_ENABLED, &id, NULL))
return 0;
else
return id;
}
-static long pc_clk_round_rate(unsigned id, unsigned rate)
+static long pc_clk_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *p_rate)
{
-
/* Not really supported; pc_clk_set_rate() does rounding on it's own. */
return rate;
}
-static bool pc_clk_is_local(unsigned id)
-{
- return false;
-}
-
-struct clk_ops clk_ops_pcom = {
+static struct clk_ops clk_ops_pcom = {
.enable = pc_clk_enable,
.disable = pc_clk_disable,
- .auto_off = pc_clk_disable,
- .reset = pc_clk_reset,
.set_rate = pc_clk_set_rate,
- .set_min_rate = pc_clk_set_min_rate,
- .set_max_rate = pc_clk_set_max_rate,
- .set_flags = pc_clk_set_flags,
- .get_rate = pc_clk_get_rate,
+ .recalc_rate = pc_clk_recalc_rate,
.is_enabled = pc_clk_is_enabled,
.round_rate = pc_clk_round_rate,
- .is_local = pc_clk_is_local,
};
+
+static int msm_clock_pcom_probe(struct platform_device *pdev)
+{
+ const struct pcom_clk_pdata *pdata = pdev->dev.platform_data;
+ int i, ret;
+
+ for (i = 0; i < pdata->num_lookups; i++) {
+ const struct clk_pcom_desc *desc = &pdata->lookup[i];
+ struct clk *c;
+ struct clk_pcom *p;
+ struct clk_hw *hw;
+ struct clk_init_data init;
+
+ p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+
+ p->id = desc->id;
+ p->flags = desc->flags;
+ p->msm_clk.reset = pc_clk_reset;
+
+ hw = &p->msm_clk.hw;
+ hw->init = &init;
+
+ init.name = desc->name;
+ init.ops = &clk_ops_pcom;
+ init.num_parents = 0;
+ init.flags = CLK_IS_ROOT;
+
+ if (!(p->flags & CLKFLAG_AUTO_OFF))
+ init.flags |= CLK_IGNORE_UNUSED;
+
+ c = devm_clk_register(&pdev->dev, hw);
+ ret = clk_register_clkdev(c, desc->con, desc->dev);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct platform_driver msm_clock_pcom_driver = {
+ .probe = msm_clock_pcom_probe,
+ .driver = {
+ .name = "msm-clock-pcom",
+ .owner = THIS_MODULE,
+ },
+};
+module_platform_driver(msm_clock_pcom_driver);
+
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-msm/clock-pcom.h b/arch/arm/mach-msm/clock-pcom.h
index 974d0032f3a3..5bb164fd46a8 100644
--- a/arch/arm/mach-msm/clock-pcom.h
+++ b/arch/arm/mach-msm/clock-pcom.h
@@ -1,4 +1,5 @@
-/* Copyright (c) 2009, Code Aurora Forum. All rights reserved.
+/*
+ * Copyright (c) 2009-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -120,21 +121,25 @@
#define P_NR_CLKS 102
-struct clk_ops;
-extern struct clk_ops clk_ops_pcom;
+struct clk_pcom_desc {
+ unsigned id;
+ const char *name;
+ const char *con;
+ const char *dev;
+ unsigned long flags;
+};
-int pc_clk_reset(unsigned id, enum clk_reset_action action);
+struct pcom_clk_pdata {
+ struct clk_pcom_desc *lookup;
+ u32 num_lookups;
+};
#define CLK_PCOM(clk_name, clk_id, clk_dev, clk_flags) { \
- .con_id = clk_name, \
- .dev_id = clk_dev, \
- .clk = &(struct clk){ \
- .id = P_##clk_id, \
- .remote_id = P_##clk_id, \
- .ops = &clk_ops_pcom, \
- .flags = clk_flags, \
- .dbg_name = #clk_id, \
- }, \
+ .id = P_##clk_id, \
+ .name = #clk_id, \
+ .con = clk_name, \
+ .dev = clk_dev, \
+ .flags = clk_flags, \
}
#endif
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index d9145dfc2a3b..35ea02b52483 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -1,7 +1,7 @@
/* arch/arm/mach-msm/clock.c
*
* Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2007-2012, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -14,171 +14,15 @@
*
*/
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/err.h>
-#include <linux/spinlock.h>
-#include <linux/pm_qos.h>
-#include <linux/mutex.h>
-#include <linux/clk.h>
-#include <linux/string.h>
+#include <linux/clk-provider.h>
#include <linux/module.h>
-#include <linux/clkdev.h>
#include "clock.h"
-static DEFINE_MUTEX(clocks_mutex);
-static DEFINE_SPINLOCK(clocks_lock);
-static LIST_HEAD(clocks);
-
-/*
- * Standard clock functions defined in include/linux/clk.h
- */
-int clk_enable(struct clk *clk)
-{
- unsigned long flags;
- spin_lock_irqsave(&clocks_lock, flags);
- clk->count++;
- if (clk->count == 1)
- clk->ops->enable(clk->id);
- spin_unlock_irqrestore(&clocks_lock, flags);
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
- unsigned long flags;
- spin_lock_irqsave(&clocks_lock, flags);
- BUG_ON(clk->count == 0);
- clk->count--;
- if (clk->count == 0)
- clk->ops->disable(clk->id);
- spin_unlock_irqrestore(&clocks_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
int clk_reset(struct clk *clk, enum clk_reset_action action)
{
- return clk->ops->reset(clk->remote_id, action);
+ struct clk_hw *hw = __clk_get_hw(clk);
+ struct msm_clk *m = to_msm_clk(hw);
+ return m->reset(hw, action);
}
EXPORT_SYMBOL(clk_reset);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return clk->ops->get_rate(clk->id);
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- int ret;
- if (clk->flags & CLKFLAG_MAX) {
- ret = clk->ops->set_max_rate(clk->id, rate);
- if (ret)
- return ret;
- }
- if (clk->flags & CLKFLAG_MIN) {
- ret = clk->ops->set_min_rate(clk->id, rate);
- if (ret)
- return ret;
- }
-
- if (clk->flags & CLKFLAG_MAX || clk->flags & CLKFLAG_MIN)
- return ret;
-
- return clk->ops->set_rate(clk->id, rate);
-}
-EXPORT_SYMBOL(clk_set_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- return clk->ops->round_rate(clk->id, rate);
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_min_rate(struct clk *clk, unsigned long rate)
-{
- return clk->ops->set_min_rate(clk->id, rate);
-}
-EXPORT_SYMBOL(clk_set_min_rate);
-
-int clk_set_max_rate(struct clk *clk, unsigned long rate)
-{
- return clk->ops->set_max_rate(clk->id, rate);
-}
-EXPORT_SYMBOL(clk_set_max_rate);
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- return -ENOSYS;
-}
-EXPORT_SYMBOL(clk_set_parent);
-
-struct clk *clk_get_parent(struct clk *clk)
-{
- return ERR_PTR(-ENOSYS);
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-int clk_set_flags(struct clk *clk, unsigned long flags)
-{
- if (clk == NULL || IS_ERR(clk))
- return -EINVAL;
- return clk->ops->set_flags(clk->id, flags);
-}
-EXPORT_SYMBOL(clk_set_flags);
-
-/* EBI1 is the only shared clock that several clients want to vote on as of
- * this commit. If this changes in the future, then it might be better to
- * make clk_min_rate handle the voting or make ebi1_clk_set_min_rate more
- * generic to support different clocks.
- */
-static struct clk *ebi1_clk;
-
-void __init msm_clock_init(struct clk_lookup *clock_tbl, unsigned num_clocks)
-{
- unsigned n;
-
- mutex_lock(&clocks_mutex);
- for (n = 0; n < num_clocks; n++) {
- clkdev_add(&clock_tbl[n]);
- list_add_tail(&clock_tbl[n].clk->list, &clocks);
- }
- mutex_unlock(&clocks_mutex);
-
- ebi1_clk = clk_get(NULL, "ebi1_clk");
- BUG_ON(ebi1_clk == NULL);
-
-}
-
-/* The bootloader and/or AMSS may have left various clocks enabled.
- * Disable any clocks that belong to us (CLKFLAG_AUTO_OFF) but have
- * not been explicitly enabled by a clk_enable() call.
- */
-static int __init clock_late_init(void)
-{
- unsigned long flags;
- struct clk *clk;
- unsigned count = 0;
-
- clock_debug_init();
- mutex_lock(&clocks_mutex);
- list_for_each_entry(clk, &clocks, list) {
- clock_debug_add(clk);
- if (clk->flags & CLKFLAG_AUTO_OFF) {
- spin_lock_irqsave(&clocks_lock, flags);
- if (!clk->count) {
- count++;
- clk->ops->auto_off(clk->id);
- }
- spin_unlock_irqrestore(&clocks_lock, flags);
- }
- }
- mutex_unlock(&clocks_mutex);
- pr_info("clock_late_init() disabled %d unused clocks\n", count);
- return 0;
-}
-
-late_initcall(clock_late_init);
-
diff --git a/arch/arm/mach-msm/clock.h b/arch/arm/mach-msm/clock.h
index 2c007f606d29..42d29dd7aafc 100644
--- a/arch/arm/mach-msm/clock.h
+++ b/arch/arm/mach-msm/clock.h
@@ -1,7 +1,7 @@
/* arch/arm/mach-msm/clock.h
*
* Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2007-2012, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -17,56 +17,27 @@
#ifndef __ARCH_ARM_MACH_MSM_CLOCK_H
#define __ARCH_ARM_MACH_MSM_CLOCK_H
-#include <linux/init.h>
-#include <linux/list.h>
+#include <linux/clk-provider.h>
#include <mach/clk.h>
-#define CLKFLAG_INVERT 0x00000001
-#define CLKFLAG_NOINVERT 0x00000002
-#define CLKFLAG_NONEST 0x00000004
-#define CLKFLAG_NORESET 0x00000008
-
#define CLK_FIRST_AVAILABLE_FLAG 0x00000100
#define CLKFLAG_AUTO_OFF 0x00000200
#define CLKFLAG_MIN 0x00000400
#define CLKFLAG_MAX 0x00000800
-struct clk_ops {
- int (*enable)(unsigned id);
- void (*disable)(unsigned id);
- void (*auto_off)(unsigned id);
- int (*reset)(unsigned id, enum clk_reset_action action);
- int (*set_rate)(unsigned id, unsigned rate);
- int (*set_min_rate)(unsigned id, unsigned rate);
- int (*set_max_rate)(unsigned id, unsigned rate);
- int (*set_flags)(unsigned id, unsigned flags);
- unsigned (*get_rate)(unsigned id);
- unsigned (*is_enabled)(unsigned id);
- long (*round_rate)(unsigned id, unsigned rate);
- bool (*is_local)(unsigned id);
-};
-
-struct clk {
- uint32_t id;
- uint32_t remote_id;
- uint32_t count;
- uint32_t flags;
- struct clk_ops *ops;
- const char *dbg_name;
- struct list_head list;
-};
-
#define OFF CLKFLAG_AUTO_OFF
#define CLK_MIN CLKFLAG_MIN
#define CLK_MAX CLKFLAG_MAX
#define CLK_MINMAX (CLK_MIN | CLK_MAX)
-#ifdef CONFIG_DEBUG_FS
-int __init clock_debug_init(void);
-int __init clock_debug_add(struct clk *clock);
-#else
-static inline int __init clock_debug_init(void) { return 0; }
-static inline int __init clock_debug_add(struct clk *clock) { return 0; }
-#endif
+struct msm_clk {
+ int (*reset)(struct clk_hw *hw, enum clk_reset_action action);
+ struct clk_hw hw;
+};
+
+static inline struct msm_clk *to_msm_clk(struct clk_hw *hw)
+{
+ return container_of(hw, struct msm_clk, hw);
+}
#endif
diff --git a/arch/arm/mach-msm/devices-msm7x00.c b/arch/arm/mach-msm/devices-msm7x00.c
index 1a0a2306b115..6d50fb964863 100644
--- a/arch/arm/mach-msm/devices-msm7x00.c
+++ b/arch/arm/mach-msm/devices-msm7x00.c
@@ -425,7 +425,7 @@ struct platform_device msm_device_mdp = {
.resource = resources_mdp,
};
-struct clk_lookup msm_clocks_7x01a[] = {
+static struct clk_pcom_desc msm_clocks_7x01a[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0),
CLK_PCOM("ebi1_clk", EBI1_CLK, NULL, 0),
@@ -469,4 +469,12 @@ struct clk_lookup msm_clocks_7x01a[] = {
CLK_PCOM("vfe_mdc_clk", VFE_MDC_CLK, NULL, OFF),
};
-unsigned msm_num_clocks_7x01a = ARRAY_SIZE(msm_clocks_7x01a);
+static struct pcom_clk_pdata msm_clock_7x01a_pdata = {
+ .lookup = msm_clocks_7x01a,
+ .num_lookups = ARRAY_SIZE(msm_clocks_7x01a),
+};
+
+struct platform_device msm_clock_7x01a = {
+ .name = "msm-clock-pcom",
+ .dev.platform_data = &msm_clock_7x01a_pdata,
+};
diff --git a/arch/arm/mach-msm/devices-msm7x30.c b/arch/arm/mach-msm/devices-msm7x30.c
index 12f482c07740..d4db75acff56 100644
--- a/arch/arm/mach-msm/devices-msm7x30.c
+++ b/arch/arm/mach-msm/devices-msm7x30.c
@@ -28,8 +28,8 @@
#include <asm/mach/flash.h>
+#include "clock.h"
#include "clock-pcom.h"
-#include "clock-7x30.h"
#include <linux/platform_data/mmc-msm_sdcc.h>
@@ -161,7 +161,7 @@ struct platform_device msm_device_hsusb_host = {
},
};
-struct clk_lookup msm_clocks_7x30[] = {
+static struct clk_pcom_desc msm_clocks_7x30[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0),
CLK_PCOM("cam_m_clk", CAM_M_CLK, NULL, 0),
@@ -177,7 +177,6 @@ struct clk_lookup msm_clocks_7x30[] = {
CLK_PCOM("grp_2d_pclk", GRP_2D_P_CLK, NULL, 0),
CLK_PCOM("grp_clk", GRP_3D_CLK, NULL, 0),
CLK_PCOM("grp_pclk", GRP_3D_P_CLK, NULL, 0),
- CLK_7X30S("grp_src_clk", GRP_3D_SRC_CLK, GRP_3D_CLK, NULL, 0),
CLK_PCOM("hdmi_clk", HDMI_CLK, NULL, 0),
CLK_PCOM("imem_clk", IMEM_CLK, NULL, OFF),
CLK_PCOM("jpeg_clk", JPEG_CLK, NULL, OFF),
@@ -210,7 +209,6 @@ struct clk_lookup msm_clocks_7x30[] = {
CLK_PCOM("sdac_clk", SDAC_CLK, NULL, OFF),
CLK_PCOM("spi_clk", SPI_CLK, NULL, 0),
CLK_PCOM("spi_pclk", SPI_P_CLK, NULL, 0),
- CLK_7X30S("tv_src_clk", TV_CLK, TV_ENC_CLK, NULL, 0),
CLK_PCOM("tv_dac_clk", TV_DAC_CLK, NULL, 0),
CLK_PCOM("tv_enc_clk", TV_ENC_CLK, NULL, 0),
CLK_PCOM("uart_clk", UART2_CLK, "msm_serial.1", 0),
@@ -237,5 +235,12 @@ struct clk_lookup msm_clocks_7x30[] = {
CLK_PCOM("csi_vfe_clk", CSI0_VFE_CLK, NULL, 0),
};
-unsigned msm_num_clocks_7x30 = ARRAY_SIZE(msm_clocks_7x30);
+static struct pcom_clk_pdata msm_clock_7x30_pdata = {
+ .lookup = msm_clocks_7x30,
+ .num_lookups = ARRAY_SIZE(msm_clocks_7x30),
+};
+struct platform_device msm_clock_7x30 = {
+ .name = "msm-clock-pcom",
+ .dev.platform_data = &msm_clock_7x30_pdata,
+};
diff --git a/arch/arm/mach-msm/devices-qsd8x50.c b/arch/arm/mach-msm/devices-qsd8x50.c
index 2e1b3ec9dfc7..f5518112284b 100644
--- a/arch/arm/mach-msm/devices-qsd8x50.c
+++ b/arch/arm/mach-msm/devices-qsd8x50.c
@@ -28,6 +28,7 @@
#include <asm/mach/flash.h>
#include <linux/platform_data/mmc-msm_sdcc.h>
+#include "clock.h"
#include "clock-pcom.h"
static struct resource msm_gpio_resources[] = {
@@ -322,7 +323,7 @@ int __init msm_add_sdcc(unsigned int controller,
return platform_device_register(pdev);
}
-struct clk_lookup msm_clocks_8x50[] = {
+static struct clk_pcom_desc msm_clocks_8x50[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("ce_clk", CE_CLK, NULL, 0),
CLK_PCOM("ebi1_clk", EBI1_CLK, NULL, CLK_MIN),
@@ -376,5 +377,12 @@ struct clk_lookup msm_clocks_8x50[] = {
CLK_PCOM("usb_phy_clk", USB_PHY_CLK, NULL, 0),
};
-unsigned msm_num_clocks_8x50 = ARRAY_SIZE(msm_clocks_8x50);
+static struct pcom_clk_pdata msm_clock_8x50_pdata = {
+ .lookup = msm_clocks_8x50,
+ .num_lookups = ARRAY_SIZE(msm_clocks_8x50),
+};
+struct platform_device msm_clock_8x50 = {
+ .name = "msm-clock-pcom",
+ .dev.platform_data = &msm_clock_8x50_pdata,
+};
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index da902cf51161..dccefad9f9b9 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -16,10 +16,6 @@
#ifndef __ARCH_ARM_MACH_MSM_DEVICES_H
#define __ARCH_ARM_MACH_MSM_DEVICES_H
-#include <linux/clkdev.h>
-
-#include "clock.h"
-
extern struct platform_device msm_device_gpio_7201;
extern struct platform_device msm_device_gpio_7x30;
extern struct platform_device msm_device_gpio_8x50;
@@ -50,13 +46,8 @@ extern struct platform_device msm_device_mddi0;
extern struct platform_device msm_device_mddi1;
extern struct platform_device msm_device_mdp;
-extern struct clk_lookup msm_clocks_7x01a[];
-extern unsigned msm_num_clocks_7x01a;
-
-extern struct clk_lookup msm_clocks_7x30[];
-extern unsigned msm_num_clocks_7x30;
-
-extern struct clk_lookup msm_clocks_8x50[];
-extern unsigned msm_num_clocks_8x50;
+extern struct platform_device msm_clock_7x01a;
+extern struct platform_device msm_clock_7x30;
+extern struct platform_device msm_clock_8x50;
#endif
diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index b279fd8a31b1..f8f6adfa07c6 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -284,6 +284,7 @@ static int __init msm_init_datamover(void)
clk = clk_get(NULL, "adm_clk");
if (IS_ERR(clk))
return PTR_ERR(clk);
+ clk_prepare(clk);
msm_dmov_clk = clk;
ret = request_irq(INT_ADM_AARM, msm_datamover_irq_handler, 0, "msmdatamover", NULL);
if (ret)
@@ -291,6 +292,4 @@ static int __init msm_init_datamover(void)
disable_irq(INT_ADM_AARM);
return 0;
}
-
-arch_initcall(msm_init_datamover);
-
+module_init(msm_init_datamover);
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 8cebedb11233..c34e246a3e07 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -20,16 +20,11 @@
#include <linux/types.h>
#include <linux/platform_data/mmc-msm_sdcc.h>
-/* platform device data structures */
-
-struct clk_lookup;
-
/* common init routines for use by arch/arm/mach-msm/board-*.c */
void __init msm_add_devices(void);
void __init msm_init_irq(void);
void __init msm_init_gpio(void);
-void __init msm_clock_init(struct clk_lookup *clock_tbl, unsigned num_clocks);
int __init msm_add_sdcc(unsigned int controller,
struct msm_mmc_platform_data *plat,
unsigned int stat_irq, unsigned long stat_irq_flags);
diff --git a/arch/arm/mach-msm/include/mach/clk.h b/arch/arm/mach-msm/include/mach/clk.h
index e8d38428d813..fd4f4a7a83b3 100644
--- a/arch/arm/mach-msm/include/mach/clk.h
+++ b/arch/arm/mach-msm/include/mach/clk.h
@@ -25,16 +25,7 @@ enum clk_reset_action {
struct clk;
-/* Rate is minimum clock rate in Hz */
-int clk_set_min_rate(struct clk *clk, unsigned long rate);
-
-/* Rate is maximum clock rate in Hz */
-int clk_set_max_rate(struct clk *clk, unsigned long rate);
-
/* Assert/Deassert reset to a hardware block associated with a clock */
int clk_reset(struct clk *clk, enum clk_reset_action action);
-/* Set clock-specific configuration parameters */
-int clk_set_flags(struct clk *clk, unsigned long flags);
-
#endif
diff --git a/drivers/iommu/msm_iommu_dev.c b/drivers/iommu/msm_iommu_dev.c
index 8e8fb079852d..9144a6beed92 100644
--- a/drivers/iommu/msm_iommu_dev.c
+++ b/drivers/iommu/msm_iommu_dev.c
@@ -29,7 +29,6 @@
#include <mach/iommu_hw-8xxx.h>
#include <mach/iommu.h>
-#include <mach/clk.h>
struct iommu_ctx_iter_data {
/* input */
@@ -160,7 +159,7 @@ static int msm_iommu_probe(struct platform_device *pdev)
goto fail;
}
- ret = clk_enable(iommu_pclk);
+ ret = clk_prepare_enable(iommu_pclk);
if (ret)
goto fail_enable;
@@ -168,9 +167,9 @@ static int msm_iommu_probe(struct platform_device *pdev)
if (!IS_ERR(iommu_clk)) {
if (clk_get_rate(iommu_clk) == 0)
- clk_set_min_rate(iommu_clk, 1);
+ clk_set_rate(iommu_clk, 1);
- ret = clk_enable(iommu_clk);
+ ret = clk_prepare_enable(iommu_clk);
if (ret) {
clk_put(iommu_clk);
goto fail_pclk;
@@ -261,7 +260,7 @@ fail_clk:
clk_put(iommu_clk);
}
fail_pclk:
- clk_disable(iommu_pclk);
+ clk_disable_unprepare(iommu_pclk);
fail_enable:
clk_put(iommu_pclk);
fail:
@@ -275,8 +274,11 @@ static int msm_iommu_remove(struct platform_device *pdev)
drv = platform_get_drvdata(pdev);
if (drv) {
- if (drv->clk)
+ if (drv->clk) {
+ clk_unprepare(drv->clk);
clk_put(drv->clk);
+ }
+ clk_unprepare(drv->pclk);
clk_put(drv->pclk);
memset(drv, 0, sizeof(*drv));
kfree(drv);
@@ -314,14 +316,14 @@ static int msm_iommu_ctx_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&ctx_drvdata->attached_elm);
platform_set_drvdata(pdev, ctx_drvdata);
- ret = clk_enable(drvdata->pclk);
+ ret = clk_prepare_enable(drvdata->pclk);
if (ret)
goto fail;
if (drvdata->clk) {
- ret = clk_enable(drvdata->clk);
+ ret = clk_prepare_enable(drvdata->clk);
if (ret) {
- clk_disable(drvdata->pclk);
+ clk_disable_unprepare(drvdata->pclk);
goto fail;
}
}
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 0ee4a57fe6b2..b900de4e7e94 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1268,10 +1268,18 @@ msmsdcc_probe(struct platform_device *pdev)
goto clk_put;
}
+ ret = clk_prepare(host->pclk);
+ if (ret)
+ goto clk_put;
+
+ ret = clk_prepare(host->clk);
+ if (ret)
+ goto clk_unprepare_p;
+
/* Enable clocks */
ret = msmsdcc_enable_clocks(host);
if (ret)
- goto clk_put;
+ goto clk_unprepare;
host->pclk_rate = clk_get_rate(host->pclk);
host->clk_rate = clk_get_rate(host->clk);
@@ -1386,6 +1394,10 @@ msmsdcc_probe(struct platform_device *pdev)
free_irq(host->stat_irq, host);
clk_disable:
msmsdcc_disable_clocks(host, 0);
+ clk_unprepare:
+ clk_unprepare(host->clk);
+ clk_unprepare_p:
+ clk_unprepare(host->pclk);
clk_put:
clk_put(host->clk);
pclk_put:
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index b11e99797fd8..2c6cfb3cf032 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -408,9 +408,9 @@ static void msm_init_clock(struct uart_port *port)
{
struct msm_port *msm_port = UART_TO_MSM(port);
- clk_enable(msm_port->clk);
+ clk_prepare_enable(msm_port->clk);
if (!IS_ERR(msm_port->pclk))
- clk_enable(msm_port->pclk);
+ clk_prepare_enable(msm_port->pclk);
msm_serial_set_mnd_regs(port);
}
@@ -486,7 +486,7 @@ static void msm_shutdown(struct uart_port *port)
msm_port->imr = 0;
msm_write(port, 0, UART_IMR); /* disable interrupts */
- clk_disable(msm_port->clk);
+ clk_disable_unprepare(msm_port->clk);
free_irq(port->irq, port);
}
@@ -688,14 +688,14 @@ static void msm_power(struct uart_port *port, unsigned int state,
switch (state) {
case 0:
- clk_enable(msm_port->clk);
+ clk_prepare_enable(msm_port->clk);
if (!IS_ERR(msm_port->pclk))
- clk_enable(msm_port->pclk);
+ clk_prepare_enable(msm_port->pclk);
break;
case 3:
- clk_disable(msm_port->clk);
+ clk_disable_unprepare(msm_port->clk);
if (!IS_ERR(msm_port->pclk))
- clk_disable(msm_port->pclk);
+ clk_disable_unprepare(msm_port->pclk);
break;
default:
printk(KERN_ERR "msm_serial: Unknown PM state %d\n", state);
@@ -884,19 +884,22 @@ static int __init msm_serial_probe(struct platform_device *pdev)
msm_port->is_uartdm = 0;
if (msm_port->is_uartdm) {
- msm_port->clk = clk_get(&pdev->dev, "gsbi_uart_clk");
- msm_port->pclk = clk_get(&pdev->dev, "gsbi_pclk");
+ msm_port->clk = devm_clk_get(&pdev->dev, "gsbi_uart_clk");
+ msm_port->pclk = devm_clk_get(&pdev->dev, "gsbi_pclk");
} else {
- msm_port->clk = clk_get(&pdev->dev, "uart_clk");
+ msm_port->clk = devm_clk_get(&pdev->dev, "uart_clk");
msm_port->pclk = ERR_PTR(-ENOENT);
}
- if (unlikely(IS_ERR(msm_port->clk) || (IS_ERR(msm_port->pclk) &&
- msm_port->is_uartdm)))
- return PTR_ERR(msm_port->clk);
+ if (IS_ERR(msm_port->clk))
+ return PTR_ERR(msm_port->clk);
+
+ if (msm_port->is_uartdm) {
+ if (IS_ERR(msm_port->pclk))
+ return PTR_ERR(msm_port->pclk);
- if (msm_port->is_uartdm)
clk_set_rate(msm_port->clk, 1843200);
+ }
port->uartclk = clk_get_rate(msm_port->clk);
printk(KERN_INFO "uartclk = %d\n", port->uartclk);
@@ -919,9 +922,9 @@ static int __init msm_serial_probe(struct platform_device *pdev)
static int msm_serial_remove(struct platform_device *pdev)
{
- struct msm_port *msm_port = platform_get_drvdata(pdev);
+ struct uart_port *port = platform_get_drvdata(pdev);
- clk_put(msm_port->clk);
+ uart_remove_one_port(&msm_uart_driver, port);
return 0;
}
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index 749fbf41fb6f..d08f33435e96 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -514,13 +514,13 @@ static int msm_otg_suspend(struct msm_otg *motg)
motg->pdata->otg_control == OTG_PMIC_CONTROL)
writel(readl(USB_PHY_CTRL) | PHY_RETEN, USB_PHY_CTRL);
- clk_disable(motg->pclk);
- clk_disable(motg->clk);
+ clk_disable_unprepare(motg->pclk);
+ clk_disable_unprepare(motg->clk);
if (motg->core_clk)
- clk_disable(motg->core_clk);
+ clk_disable_unprepare(motg->core_clk);
if (!IS_ERR(motg->pclk_src))
- clk_disable(motg->pclk_src);
+ clk_disable_unprepare(motg->pclk_src);
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
motg->pdata->otg_control == OTG_PMIC_CONTROL) {
@@ -552,12 +552,12 @@ static int msm_otg_resume(struct msm_otg *motg)
return 0;
if (!IS_ERR(motg->pclk_src))
- clk_enable(motg->pclk_src);
+ clk_prepare_enable(motg->pclk_src);
- clk_enable(motg->pclk);
- clk_enable(motg->clk);
+ clk_prepare_enable(motg->pclk);
+ clk_prepare_enable(motg->clk);
if (motg->core_clk)
- clk_enable(motg->core_clk);
+ clk_prepare_enable(motg->core_clk);
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
motg->pdata->otg_control == OTG_PMIC_CONTROL) {
@@ -1468,7 +1468,7 @@ static int __init msm_otg_probe(struct platform_device *pdev)
if (IS_ERR(motg->pclk_src))
goto put_clk;
clk_set_rate(motg->pclk_src, INT_MAX);
- clk_enable(motg->pclk_src);
+ clk_prepare_enable(motg->pclk_src);
} else
motg->pclk_src = ERR_PTR(-ENOENT);
@@ -1511,8 +1511,8 @@ static int __init msm_otg_probe(struct platform_device *pdev)
goto free_regs;
}
- clk_enable(motg->clk);
- clk_enable(motg->pclk);
+ clk_prepare_enable(motg->clk);
+ clk_prepare_enable(motg->pclk);
ret = msm_hsusb_init_vddcx(motg, 1);
if (ret) {
@@ -1532,7 +1532,7 @@ static int __init msm_otg_probe(struct platform_device *pdev)
}
if (motg->core_clk)
- clk_enable(motg->core_clk);
+ clk_prepare_enable(motg->core_clk);
writel(0, USB_USBINTR);
writel(0, USB_OTGSC);
@@ -1579,8 +1579,8 @@ static int __init msm_otg_probe(struct platform_device *pdev)
free_irq:
free_irq(motg->irq, motg);
disable_clks:
- clk_disable(motg->pclk);
- clk_disable(motg->clk);
+ clk_disable_unprepare(motg->pclk);
+ clk_disable_unprepare(motg->clk);
ldo_exit:
msm_hsusb_ldo_init(motg, 0);
vddcx_exit:
@@ -1593,7 +1593,7 @@ put_core_clk:
clk_put(motg->pclk);
put_pclk_src:
if (!IS_ERR(motg->pclk_src)) {
- clk_disable(motg->pclk_src);
+ clk_disable_unprepare(motg->pclk_src);
clk_put(motg->pclk_src);
}
put_clk:
@@ -1643,12 +1643,12 @@ static int msm_otg_remove(struct platform_device *pdev)
if (cnt >= PHY_SUSPEND_TIMEOUT_USEC)
dev_err(phy->dev, "Unable to suspend PHY\n");
- clk_disable(motg->pclk);
- clk_disable(motg->clk);
+ clk_disable_unprepare(motg->pclk);
+ clk_disable_unprepare(motg->clk);
if (motg->core_clk)
- clk_disable(motg->core_clk);
+ clk_disable_unprepare(motg->core_clk);
if (!IS_ERR(motg->pclk_src)) {
- clk_disable(motg->pclk_src);
+ clk_disable_unprepare(motg->pclk_src);
clk_put(motg->pclk_src);
}
msm_hsusb_ldo_init(motg, 0);