18 files changed, 29 insertions, 850 deletions

diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 4ad3969b988..6a6c197212e 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -1,11 +1,11 @@
-obj-y += io.o idle.o timer.o
+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-$(CONFIG_ARCH_MSM7X00A) += dma.o irq.o acpuclock-arm11.o
+obj-$(CONFIG_ARCH_MSM7X00A) += dma.o irq.o
 obj-$(CONFIG_ARCH_MSM7X30) += dma.o
 obj-$(CONFIG_ARCH_QSD8X50) += dma.o sirc.o
 
diff --git a/arch/arm/mach-msm/acpuclock-arm11.c b/arch/arm/mach-msm/acpuclock-arm11.c
deleted file mode 100644
index 805d4ee53f7..00000000000
--- a/arch/arm/mach-msm/acpuclock-arm11.c
+++ /dev/null
@@ -1,525 +0,0 @@
-/* arch/arm/mach-msm/acpuclock.c
- *
- * MSM architecture clock driver
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007 QUALCOMM Incorporated
- * Author: San Mehat <san@android.com>
- *
- * 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/init.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/cpufreq.h>
-#include <linux/mutex.h>
-#include <linux/io.h>
-#include <mach/board.h>
-#include <mach/msm_iomap.h>
-
-#include "proc_comm.h"
-#include "acpuclock.h"
-
-
-#define A11S_CLK_CNTL_ADDR (MSM_CSR_BASE + 0x100)
-#define A11S_CLK_SEL_ADDR (MSM_CSR_BASE + 0x104)
-#define A11S_VDD_SVS_PLEVEL_ADDR (MSM_CSR_BASE + 0x124)
-
-/*
- * ARM11 clock configuration for specific ACPU speeds
- */
-
-#define ACPU_PLL_TCXO	-1
-#define ACPU_PLL_0	0
-#define ACPU_PLL_1	1
-#define ACPU_PLL_2	2
-#define ACPU_PLL_3	3
-
-#define PERF_SWITCH_DEBUG 0
-#define PERF_SWITCH_STEP_DEBUG 0
-
-struct clock_state
-{
-	struct clkctl_acpu_speed	*current_speed;
-	struct mutex			lock;
-	uint32_t			acpu_switch_time_us;
-	uint32_t			max_speed_delta_khz;
-	uint32_t			vdd_switch_time_us;
-	unsigned long			power_collapse_khz;
-	unsigned long			wait_for_irq_khz;
-};
-
-static struct clk *ebi1_clk;
-static struct clock_state drv_state = { 0 };
-
-static void __init acpuclk_init(void);
-
-/* MSM7201A Levels 3-6 all correspond to 1.2V, level 7 corresponds to 1.325V. */
-enum {
-	VDD_0 = 0,
-	VDD_1 = 1,
-	VDD_2 = 2,
-	VDD_3 = 3,
-	VDD_4 = 3,
-	VDD_5 = 3,
-	VDD_6 = 3,
-	VDD_7 = 7,
-	VDD_END
-};
-
-struct clkctl_acpu_speed {
-	unsigned int	a11clk_khz;
-	int		pll;
-	unsigned int	a11clk_src_sel;
-	unsigned int	a11clk_src_div;
-	unsigned int	ahbclk_khz;
-	unsigned int	ahbclk_div;
-	int		vdd;
-	unsigned int 	axiclk_khz;
-	unsigned long	lpj; /* loops_per_jiffy */
-/* Index in acpu_freq_tbl[] for steppings. */
-	short		down;
-	short		up;
-};
-
-/*
- * ACPU speed table. Complete table is shown but certain speeds are commented
- * out to optimized speed switching. Initialize loops_per_jiffy to 0.
- *
- * Table stepping up/down is optimized for 256mhz jumps while staying on the
- * same PLL.
- */
-#if (0)
-static struct clkctl_acpu_speed  acpu_freq_tbl[] = {
-	{ 19200, ACPU_PLL_TCXO, 0, 0, 19200, 0, VDD_0, 30720, 0, 0, 8 },
-	{ 61440, ACPU_PLL_0,  4, 3, 61440,  0, VDD_0, 30720,  0, 0, 8 },
-	{ 81920, ACPU_PLL_0,  4, 2, 40960,  1, VDD_0, 61440,  0, 0, 8 },
-	{ 96000, ACPU_PLL_1,  1, 7, 48000,  1, VDD_0, 61440,  0, 0, 9 },
-	{ 122880, ACPU_PLL_0, 4, 1, 61440,  1, VDD_3, 61440,  0, 0, 8 },
-	{ 128000, ACPU_PLL_1, 1, 5, 64000,  1, VDD_3, 61440,  0, 0, 12 },
-	{ 176000, ACPU_PLL_2, 2, 5, 88000,  1, VDD_3, 61440,  0, 0, 11 },
-	{ 192000, ACPU_PLL_1, 1, 3, 64000,  2, VDD_3, 61440,  0, 0, 12 },
-	{ 245760, ACPU_PLL_0, 4, 0, 81920,  2, VDD_4, 61440,  0, 0, 12 },
-	{ 256000, ACPU_PLL_1, 1, 2, 128000, 2, VDD_5, 128000, 0, 0, 12 },
-	{ 264000, ACPU_PLL_2, 2, 3, 88000,  2, VDD_5, 128000, 0, 6, 13 },
-	{ 352000, ACPU_PLL_2, 2, 2, 88000,  3, VDD_5, 128000, 0, 6, 13 },
-	{ 384000, ACPU_PLL_1, 1, 1, 128000, 2, VDD_6, 128000, 0, 5, -1 },
-	{ 528000, ACPU_PLL_2, 2, 1, 132000, 3, VDD_7, 128000, 0, 11, -1 },
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-};
-#else /* Table of freq we currently use. */
-static struct clkctl_acpu_speed  acpu_freq_tbl[] = {
-	{ 19200, ACPU_PLL_TCXO, 0, 0, 19200, 0, VDD_0, 30720, 0, 0, 4 },
-	{ 122880, ACPU_PLL_0, 4, 1, 61440, 1, VDD_3, 61440, 0, 0, 4 },
-	{ 128000, ACPU_PLL_1, 1, 5, 64000, 1, VDD_3, 61440, 0, 0, 6 },
-	{ 176000, ACPU_PLL_2, 2, 5, 88000, 1, VDD_3, 61440, 0, 0, 5 },
-	{ 245760, ACPU_PLL_0, 4, 0, 81920, 2, VDD_4, 61440, 0, 0, 5 },
-	{ 352000, ACPU_PLL_2, 2, 2, 88000, 3, VDD_5, 128000, 0, 3, 7 },
-	{ 384000, ACPU_PLL_1, 1, 1, 128000, 2, VDD_6, 128000, 0, 2, -1 },
-	{ 528000, ACPU_PLL_2, 2, 1, 132000, 3, VDD_7, 128000, 0, 5, -1 },
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
-};
-#endif
-
-
-#ifdef CONFIG_CPU_FREQ_TABLE
-static struct cpufreq_frequency_table freq_table[] = {
-	{ 0, 122880 },
-	{ 1, 128000 },
-	{ 2, 245760 },
-	{ 3, 384000 },
-	{ 4, 528000 },
-	{ 5, CPUFREQ_TABLE_END },
-};
-#endif
-
-static int pc_pll_request(unsigned id, unsigned on)
-{
-	int res;
-	on = !!on;
-
-#if PERF_SWITCH_DEBUG
-	if (on)
-		printk(KERN_DEBUG "Enabling PLL %d\n", id);
-	else
-		printk(KERN_DEBUG "Disabling PLL %d\n", id);
-#endif
-
-	res = msm_proc_comm(PCOM_CLKCTL_RPC_PLL_REQUEST, &id, &on);
-	if (res < 0)
-		return res;
-
-#if PERF_SWITCH_DEBUG
-	if (on)
-		printk(KERN_DEBUG "PLL %d enabled\n", id);
-	else
-		printk(KERN_DEBUG "PLL %d disabled\n", id);
-#endif
-	return res;
-}
-
-
-/*----------------------------------------------------------------------------
- * ARM11 'owned' clock control
- *---------------------------------------------------------------------------*/
-
-unsigned long acpuclk_power_collapse(void) {
-	int ret = acpuclk_get_rate();
-	ret *= 1000;
-	if (ret > drv_state.power_collapse_khz)
-		acpuclk_set_rate(drv_state.power_collapse_khz, 1);
-	return ret;
-}
-
-unsigned long acpuclk_get_wfi_rate(void)
-{
-	return drv_state.wait_for_irq_khz;
-}
-
-unsigned long acpuclk_wait_for_irq(void) {
-	int ret = acpuclk_get_rate();
-	ret *= 1000;
-	if (ret > drv_state.wait_for_irq_khz)
-		acpuclk_set_rate(drv_state.wait_for_irq_khz, 1);
-	return ret;
-}
-
-static int acpuclk_set_vdd_level(int vdd)
-{
-	uint32_t current_vdd;
-
-	current_vdd = readl(A11S_VDD_SVS_PLEVEL_ADDR) & 0x07;
-
-#if PERF_SWITCH_DEBUG
-	printk(KERN_DEBUG "acpuclock: Switching VDD from %u -> %d\n",
-	       current_vdd, vdd);
-#endif
-	writel((1 << 7) | (vdd << 3), A11S_VDD_SVS_PLEVEL_ADDR);
-	udelay(drv_state.vdd_switch_time_us);
-	if ((readl(A11S_VDD_SVS_PLEVEL_ADDR) & 0x7) != vdd) {
-#if PERF_SWITCH_DEBUG
-		printk(KERN_ERR "acpuclock: VDD set failed\n");
-#endif
-		return -EIO;
-	}
-
-#if PERF_SWITCH_DEBUG
-	printk(KERN_DEBUG "acpuclock: VDD switched\n");
-#endif
-	return 0;
-}
-
-/* Set proper dividers for the given clock speed. */
-static void acpuclk_set_div(const struct clkctl_acpu_speed *hunt_s) {
-	uint32_t reg_clkctl, reg_clksel, clk_div;
-
-	/* AHB_CLK_DIV */
-	clk_div = (readl(A11S_CLK_SEL_ADDR) >> 1) & 0x03;
-	/*
-	 * If the new clock divider is higher than the previous, then
-	 * program the divider before switching the clock
-	 */
-	if (hunt_s->ahbclk_div > clk_div) {
-		reg_clksel = readl(A11S_CLK_SEL_ADDR);
-		reg_clksel &= ~(0x3 << 1);
-		reg_clksel |= (hunt_s->ahbclk_div << 1);
-		writel(reg_clksel, A11S_CLK_SEL_ADDR);
-	}
-	if ((readl(A11S_CLK_SEL_ADDR) & 0x01) == 0) {
-		/* SRC0 */
-
-		/* Program clock source */
-		reg_clkctl = readl(A11S_CLK_CNTL_ADDR);
-		reg_clkctl &= ~(0x07 << 4);
-		reg_clkctl |= (hunt_s->a11clk_src_sel << 4);
-		writel(reg_clkctl, A11S_CLK_CNTL_ADDR);
-
-		/* Program clock divider */
-		reg_clkctl = readl(A11S_CLK_CNTL_ADDR);
-		reg_clkctl &= ~0xf;
-		reg_clkctl |= hunt_s->a11clk_src_div;
-		writel(reg_clkctl, A11S_CLK_CNTL_ADDR);
-
-		/* Program clock source selection */
-		reg_clksel = readl(A11S_CLK_SEL_ADDR);
-		reg_clksel |= 1; /* CLK_SEL_SRC1NO  == SRC1 */
-		writel(reg_clksel, A11S_CLK_SEL_ADDR);
-	} else {
-		/* SRC1 */
-
-		/* Program clock source */
-		reg_clkctl = readl(A11S_CLK_CNTL_ADDR);
-		reg_clkctl &= ~(0x07 << 12);
-		reg_clkctl |= (hunt_s->a11clk_src_sel << 12);
-		writel(reg_clkctl, A11S_CLK_CNTL_ADDR);
-
-		/* Program clock divider */
-		reg_clkctl = readl(A11S_CLK_CNTL_ADDR);
-		reg_clkctl &= ~(0xf << 8);
-		reg_clkctl |= (hunt_s->a11clk_src_div << 8);
-		writel(reg_clkctl, A11S_CLK_CNTL_ADDR);
-
-		/* Program clock source selection */
-		reg_clksel = readl(A11S_CLK_SEL_ADDR);
-		reg_clksel &= ~1; /* CLK_SEL_SRC1NO  == SRC0 */
-		writel(reg_clksel, A11S_CLK_SEL_ADDR);
-	}
-
-	/*
-	 * If the new clock divider is lower than the previous, then
-	 * program the divider after switching the clock
-	 */
-	if (hunt_s->ahbclk_div < clk_div) {
-		reg_clksel = readl(A11S_CLK_SEL_ADDR);
-		reg_clksel &= ~(0x3 << 1);
-		reg_clksel |= (hunt_s->ahbclk_div << 1);
-		writel(reg_clksel, A11S_CLK_SEL_ADDR);
-	}
-}
-
-int acpuclk_set_rate(unsigned long rate, int for_power_collapse)
-{
-	uint32_t reg_clkctl;
-	struct clkctl_acpu_speed *cur_s, *tgt_s, *strt_s;
-	int rc = 0;
-	unsigned int plls_enabled = 0, pll;
-
-	strt_s = cur_s = drv_state.current_speed;
-
-	WARN_ONCE(cur_s == NULL, "acpuclk_set_rate: not initialized\n");
-	if (cur_s == NULL)
-		return -ENOENT;
-
-	if (rate == (cur_s->a11clk_khz * 1000))
-		return 0;
-
-	for (tgt_s = acpu_freq_tbl; tgt_s->a11clk_khz != 0; tgt_s++) {
-		if (tgt_s->a11clk_khz == (rate / 1000))
-			break;
-	}
-
-	if (tgt_s->a11clk_khz == 0)
-		return -EINVAL;
-
-	/* Choose the highest speed speed at or below 'rate' with same PLL. */
-	if (for_power_collapse && tgt_s->a11clk_khz < cur_s->a11clk_khz) {
-		while (tgt_s->pll != ACPU_PLL_TCXO && tgt_s->pll != cur_s->pll)
-			tgt_s--;
-	}
-
-	if (strt_s->pll != ACPU_PLL_TCXO)
-		plls_enabled |= 1 << strt_s->pll;
-
-	if (!for_power_collapse) {
-		mutex_lock(&drv_state.lock);
-		if (strt_s->pll != tgt_s->pll && tgt_s->pll != ACPU_PLL_TCXO) {
-			rc = pc_pll_request(tgt_s->pll, 1);
-			if (rc < 0) {
-				pr_err("PLL%d enable failed (%d)\n",
-					tgt_s->pll, rc);
-				goto out;
-			}
-			plls_enabled |= 1 << tgt_s->pll;
-		}
-		/* Increase VDD if needed. */
-		if (tgt_s->vdd > cur_s->vdd) {
-			if ((rc = acpuclk_set_vdd_level(tgt_s->vdd)) < 0) {
-				printk(KERN_ERR "Unable to switch ACPU vdd\n");
-				goto out;
-			}
-		}
-	}
-
-	/* Set wait states for CPU between frequency changes */
-	reg_clkctl = readl(A11S_CLK_CNTL_ADDR);
-	reg_clkctl |= (100 << 16); /* set WT_ST_CNT */
-	writel(reg_clkctl, A11S_CLK_CNTL_ADDR);
-
-#if PERF_SWITCH_DEBUG
-	printk(KERN_INFO "acpuclock: Switching from ACPU rate %u -> %u\n",
-	       strt_s->a11clk_khz * 1000, tgt_s->a11clk_khz * 1000);
-#endif
-
-	while (cur_s != tgt_s) {
-		/*
-		 * Always jump to target freq if within 256mhz, regulardless of
-		 * PLL. If differnece is greater, use the predefinied
-		 * steppings in the table.
-		 */
-		int d = abs((int)(cur_s->a11clk_khz - tgt_s->a11clk_khz));
-		if (d > drv_state.max_speed_delta_khz) {
-			/* Step up or down depending on target vs current. */
-			int clk_index = tgt_s->a11clk_khz > cur_s->a11clk_khz ?
-				cur_s->up : cur_s->down;
-			if (clk_index < 0) { /* This should not happen. */
-				printk(KERN_ERR "cur:%u target: %u\n",
-					cur_s->a11clk_khz, tgt_s->a11clk_khz);
-				rc = -EINVAL;
-				goto out;
-			}
-			cur_s = &acpu_freq_tbl[clk_index];
-		} else {
-			cur_s = tgt_s;
-		}
-#if PERF_SWITCH_STEP_DEBUG
-		printk(KERN_DEBUG "%s: STEP khz = %u, pll = %d\n",
-			__FUNCTION__, cur_s->a11clk_khz, cur_s->pll);
-#endif
-		if (!for_power_collapse&& cur_s->pll != ACPU_PLL_TCXO
-		    && !(plls_enabled & (1 << cur_s->pll))) {
-			rc = pc_pll_request(cur_s->pll, 1);
-			if (rc < 0) {
-				pr_err("PLL%d enable failed (%d)\n",
-					cur_s->pll, rc);
-				goto out;
-			}
-			plls_enabled |= 1 << cur_s->pll;
-		}
-
-		acpuclk_set_div(cur_s);
-		drv_state.current_speed = cur_s;
-		/* Re-adjust lpj for the new clock speed. */
-		loops_per_jiffy = cur_s->lpj;
-		udelay(drv_state.acpu_switch_time_us);
-	}
-
-	/* Nothing else to do for power collapse. */
-	if (for_power_collapse)
-		return 0;
-
-	/* Disable PLLs we are not using anymore. */
-	plls_enabled &= ~(1 << tgt_s->pll);
-	for (pll = ACPU_PLL_0; pll <= ACPU_PLL_2; pll++)
-		if (plls_enabled & (1 << pll)) {
-			rc = pc_pll_request(pll, 0);
-			if (rc < 0) {
-				pr_err("PLL%d disable failed (%d)\n", pll, rc);
-				goto out;
-			}
-		}
-
-	/* Change the AXI bus frequency if we can. */
-	if (strt_s->axiclk_khz != tgt_s->axiclk_khz) {
-		rc = clk_set_rate(ebi1_clk, tgt_s->axiclk_khz * 1000);
-		if (rc < 0)
-			pr_err("Setting AXI min rate failed!\n");
-	}
-
-	/* Drop VDD level if we can. */
-	if (tgt_s->vdd < strt_s->vdd) {
-		if (acpuclk_set_vdd_level(tgt_s->vdd) < 0)
-			printk(KERN_ERR "acpuclock: Unable to drop ACPU vdd\n");
-	}
-
-#if PERF_SWITCH_DEBUG
-	printk(KERN_DEBUG "%s: ACPU speed change complete\n", __FUNCTION__);
-#endif
-out:
-	if (!for_power_collapse)
-		mutex_unlock(&drv_state.lock);
-	return rc;
-}
-
-static void __init acpuclk_init(void)
-{
-	struct clkctl_acpu_speed *speed;
-	uint32_t div, sel;
-	int rc;
-
-	/*
-	 * Determine the rate of ACPU clock
-	 */
-
-	if (!(readl(A11S_CLK_SEL_ADDR) & 0x01)) { /* CLK_SEL_SRC1N0 */
-		/* CLK_SRC0_SEL */
-		sel = (readl(A11S_CLK_CNTL_ADDR) >> 12) & 0x7;
-		/* CLK_SRC0_DIV */
-		div = (readl(A11S_CLK_CNTL_ADDR) >> 8) & 0x0f;
-	} else {
-		/* CLK_SRC1_SEL */
-		sel = (readl(A11S_CLK_CNTL_ADDR) >> 4) & 0x07;
-		/* CLK_SRC1_DIV */
-		div = readl(A11S_CLK_CNTL_ADDR) & 0x0f;
-	}
-
-	for (speed = acpu_freq_tbl; speed->a11clk_khz != 0; speed++) {
-		if (speed->a11clk_src_sel == sel
-		 && (speed->a11clk_src_div == div))
-			break;
-	}
-	if (speed->a11clk_khz == 0) {
-		printk(KERN_WARNING "Warning - ACPU clock reports invalid speed\n");
-		return;
-	}
-
-	drv_state.current_speed = speed;
-
-	rc = clk_set_rate(ebi1_clk, speed->axiclk_khz * 1000);
-	if (rc < 0)
-		pr_err("Setting AXI min rate failed!\n");
-
-	printk(KERN_INFO "ACPU running at %d KHz\n", speed->a11clk_khz);
-}
-
-unsigned long acpuclk_get_rate(void)
-{
-	WARN_ONCE(drv_state.current_speed == NULL,
-		  "acpuclk_get_rate: not initialized\n");
-	if (drv_state.current_speed)
-		return drv_state.current_speed->a11clk_khz;
-	else
-		return 0;
-}
-
-uint32_t acpuclk_get_switch_time(void)
-{
-	return drv_state.acpu_switch_time_us;
-}
-
-/*----------------------------------------------------------------------------
- * Clock driver initialization
- *---------------------------------------------------------------------------*/
-
-/* Initialize the lpj field in the acpu_freq_tbl. */
-static void __init lpj_init(void)
-{
-	int i;
-	const struct clkctl_acpu_speed *base_clk = drv_state.current_speed;
-	for (i = 0; acpu_freq_tbl[i].a11clk_khz; i++) {
-		acpu_freq_tbl[i].lpj = cpufreq_scale(loops_per_jiffy,
-						base_clk->a11clk_khz,
-						acpu_freq_tbl[i].a11clk_khz);
-	}
-}
-
-void __init msm_acpu_clock_init(struct msm_acpu_clock_platform_data *clkdata)
-{
-	pr_info("acpu_clock_init()\n");
-
-	ebi1_clk = clk_get(NULL, "ebi1_clk");
-
-	mutex_init(&drv_state.lock);
-	drv_state.acpu_switch_time_us = clkdata->acpu_switch_time_us;
-	drv_state.max_speed_delta_khz = clkdata->max_speed_delta_khz;
-	drv_state.vdd_switch_time_us = clkdata->vdd_switch_time_us;
-	drv_state.power_collapse_khz = clkdata->power_collapse_khz;
-	drv_state.wait_for_irq_khz = clkdata->wait_for_irq_khz;
-	acpuclk_init();
-	lpj_init();
-#ifdef CONFIG_CPU_FREQ_TABLE
-	cpufreq_frequency_table_get_attr(freq_table, smp_processor_id());
-#endif
-}
diff --git a/arch/arm/mach-msm/acpuclock.h b/arch/arm/mach-msm/acpuclock.h
deleted file mode 100644
index 415de2eb9a5..00000000000
--- a/arch/arm/mach-msm/acpuclock.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* arch/arm/mach-msm/acpuclock.h
- *
- * MSM architecture clock driver header
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007 QUALCOMM Incorporated
- * Author: San Mehat <san@android.com>
- *
- * 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.
- *
- */
-
-#ifndef __ARCH_ARM_MACH_MSM_ACPUCLOCK_H
-#define __ARCH_ARM_MACH_MSM_ACPUCLOCK_H
-
-int acpuclk_set_rate(unsigned long rate, int for_power_collapse);
-unsigned long acpuclk_get_rate(void);
-uint32_t acpuclk_get_switch_time(void);
-unsigned long acpuclk_wait_for_irq(void);
-unsigned long acpuclk_power_collapse(void);
-unsigned long acpuclk_get_wfi_rate(void);
-
-
-#endif
-
diff --git a/arch/arm/mach-msm/board-mahimahi.c b/arch/arm/mach-msm/board-mahimahi.c
index cf1f89a5dc6..df00bc03ce7 100644
--- a/arch/arm/mach-msm/board-mahimahi.c
+++ b/arch/arm/mach-msm/board-mahimahi.c
@@ -30,7 +30,6 @@
 
 #include <mach/board.h>
 #include <mach/hardware.h>
-#include <mach/system.h>
 
 #include "board-mahimahi.h"
 #include "devices.h"
diff --git a/arch/arm/mach-msm/board-msm7x27.c b/arch/arm/mach-msm/board-msm7x27.c
deleted file mode 100644
index 451ab1d43c9..00000000000
--- a/arch/arm/mach-msm/board-msm7x27.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
- * Author: Brian Swetland <swetland@google.com>
- *
- * 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/gpio.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/input.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/power_supply.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/flash.h>
-#include <asm/setup.h>
-#ifdef CONFIG_CACHE_L2X0
-#include <asm/hardware/cache-l2x0.h>
-#endif
-
-#include <mach/vreg.h>
-#include <mach/mpp.h>
-#include <mach/board.h>
-#include <mach/msm_iomap.h>
-
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
-
-#include "devices.h"
-#include "socinfo.h"
-#include "clock.h"
-
-static struct resource smc91x_resources[] = {
-	[0] = {
-		.start	= 0x9C004300,
-		.end	= 0x9C0043ff,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= MSM_GPIO_TO_INT(132),
-		.end	= MSM_GPIO_TO_INT(132),
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device smc91x_device = {
-	.name		= "smc91x",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(smc91x_resources),
-	.resource	= smc91x_resources,
-};
-
-static struct platform_device *devices[] __initdata = {
-	&msm_device_uart3,
-	&msm_device_smd,
-	&msm_device_dmov,
-	&msm_device_nand,
-	&smc91x_device,
-};
-
-extern struct sys_timer msm_timer;
-
-static void __init msm7x2x_init_irq(void)
-{
-	msm_init_irq();
-}
-
-static void __init msm7x2x_init(void)
-{
-	if (socinfo_init() < 0)
-		BUG();
-
-	if (machine_is_msm7x25_ffa() || machine_is_msm7x27_ffa()) {
-		smc91x_resources[0].start = 0x98000300;
-		smc91x_resources[0].end = 0x980003ff;
-		smc91x_resources[1].start = MSM_GPIO_TO_INT(85);
-		smc91x_resources[1].end = MSM_GPIO_TO_INT(85);
-		if (gpio_tlmm_config(GPIO_CFG(85, 0,
-					      GPIO_INPUT,
-					      GPIO_PULL_DOWN,
-					      GPIO_2MA),
-				     GPIO_ENABLE)) {
-			printk(KERN_ERR
-			       "%s: Err: Config GPIO-85 INT\n",
-				__func__);
-		}
-	}
-
-	platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-static void __init msm7x2x_map_io(void)
-{
-	msm_map_common_io();
-	/* Technically dependent on the SoC but using machine_is
-	 * macros since socinfo is not available this early and there
-	 * are plans to restructure the code which will eliminate the
-	 * need for socinfo.
-	 */
-	if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa())
-		msm_clock_init(msm_clocks_7x27, msm_num_clocks_7x27);
-
-	if (machine_is_msm7x25_surf() || machine_is_msm7x25_ffa())
-		msm_clock_init(msm_clocks_7x25, msm_num_clocks_7x25);
-
-#ifdef CONFIG_CACHE_L2X0
-	if (machine_is_msm7x27_surf() || machine_is_msm7x27_ffa()) {
-		/* 7x27 has 256KB L2 cache:
-			64Kb/Way and 4-Way Associativity;
-			R/W latency: 3 cycles;
-			evmon/parity/share disabled. */
-		l2x0_init(MSM_L2CC_BASE, 0x00068012, 0xfe000000);
-	}
-#endif
-}
-
-static void __init msm7x2x_init_late(void)
-{
-	smd_debugfs_init();
-}
-
-MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
-	.atag_offset	= 0x100,
-	.map_io		= msm7x2x_map_io,
-	.init_irq	= msm7x2x_init_irq,
-	.init_machine	= msm7x2x_init,
-	.init_late	= msm7x2x_init_late,
-	.timer		= &msm_timer,
-MACHINE_END
-
-MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
-	.atag_offset	= 0x100,
-	.map_io		= msm7x2x_map_io,
-	.init_irq	= msm7x2x_init_irq,
-	.init_machine	= msm7x2x_init,
-	.init_late	= msm7x2x_init_late,
-	.timer		= &msm_timer,
-MACHINE_END
-
-MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
-	.atag_offset	= 0x100,
-	.map_io		= msm7x2x_map_io,
-	.init_irq	= msm7x2x_init_irq,
-	.init_machine	= msm7x2x_init,
-	.init_late	= msm7x2x_init_late,
-	.timer		= &msm_timer,
-MACHINE_END
-
-MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
-	.atag_offset	= 0x100,
-	.map_io		= msm7x2x_map_io,
-	.init_irq	= msm7x2x_init_irq,
-	.init_machine	= msm7x2x_init,
-	.init_late	= msm7x2x_init_late,
-	.timer		= &msm_timer,
-MACHINE_END
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c
index e37a724cd1e..06003b4ccb1 100644
--- a/arch/arm/mach-msm/board-msm8x60.c
+++ b/arch/arm/mach-msm/board-msm8x60.c
@@ -93,11 +93,6 @@ static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = {
 
 static void __init msm8x60_dt_init(void)
 {
-	if (of_machine_is_compatible("qcom,msm8660-surf")) {
-		printk(KERN_INFO "Init surf UART registers\n");
-		msm8x60_init_uart12dm();
-	}
-
 	of_platform_populate(NULL, of_default_bus_match_table,
 			msm_auxdata_lookup, NULL);
 }
diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c
index 2e569ab10ee..b7b0fc7e327 100644
--- a/arch/arm/mach-msm/board-sapphire.c
+++ b/arch/arm/mach-msm/board-sapphire.c
@@ -27,7 +27,6 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/flash.h>
-#include <mach/system.h>
 #include <mach/vreg.h>
 #include <mach/board.h>
 
diff --git a/arch/arm/mach-msm/clock-pcom.c b/arch/arm/mach-msm/clock-pcom.c
index 63b71131108..a52c970df15 100644
--- a/arch/arm/mach-msm/clock-pcom.c
+++ b/arch/arm/mach-msm/clock-pcom.c
@@ -25,7 +25,7 @@
 /*
  * glue for the proc_comm interface
  */
-int pc_clk_enable(unsigned id)
+static int pc_clk_enable(unsigned id)
 {
 	int rc = msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
 	if (rc < 0)
@@ -34,7 +34,7 @@ int pc_clk_enable(unsigned id)
 		return (int)id < 0 ? -EINVAL : 0;
 }
 
-void pc_clk_disable(unsigned id)
+static void pc_clk_disable(unsigned id)
 {
 	msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, NULL);
 }
@@ -54,7 +54,7 @@ int pc_clk_reset(unsigned id, enum clk_reset_action action)
 		return (int)id < 0 ? -EINVAL : 0;
 }
 
-int pc_clk_set_rate(unsigned id, unsigned rate)
+static int pc_clk_set_rate(unsigned id, unsigned rate)
 {
 	/* 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
@@ -67,7 +67,7 @@ int pc_clk_set_rate(unsigned id, unsigned rate)
 		return (int)id < 0 ? -EINVAL : 0;
 }
 
-int pc_clk_set_min_rate(unsigned id, unsigned rate)
+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)
@@ -76,7 +76,7 @@ int pc_clk_set_min_rate(unsigned id, unsigned rate)
 		return (int)id < 0 ? -EINVAL : 0;
 }
 
-int pc_clk_set_max_rate(unsigned id, unsigned rate)
+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)
@@ -85,7 +85,7 @@ int pc_clk_set_max_rate(unsigned id, unsigned rate)
 		return (int)id < 0 ? -EINVAL : 0;
 }
 
-int pc_clk_set_flags(unsigned id, unsigned flags)
+static int pc_clk_set_flags(unsigned id, unsigned flags)
 {
 	int rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_FLAGS, &id, &flags);
 	if (rc < 0)
@@ -94,7 +94,7 @@ int pc_clk_set_flags(unsigned id, unsigned flags)
 		return (int)id < 0 ? -EINVAL : 0;
 }
 
-unsigned pc_clk_get_rate(unsigned id)
+static unsigned pc_clk_get_rate(unsigned id)
 {
 	if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, NULL))
 		return 0;
@@ -102,7 +102,7 @@ unsigned pc_clk_get_rate(unsigned id)
 		return id;
 }
 
-unsigned pc_clk_is_enabled(unsigned id)
+static unsigned pc_clk_is_enabled(unsigned id)
 {
 	if (msm_proc_comm(PCOM_CLKCTL_RPC_ENABLED, &id, NULL))
 		return 0;
@@ -110,7 +110,7 @@ unsigned pc_clk_is_enabled(unsigned id)
 		return id;
 }
 
-long pc_clk_round_rate(unsigned id, unsigned rate)
+static long pc_clk_round_rate(unsigned id, unsigned rate)
 {
 
 	/* Not really supported; pc_clk_set_rate() does rounding on it's own. */
diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index 02cae5e2951..354b91d4c3a 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -223,8 +223,7 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id)
 			PRINT_FLOW("msm_datamover_irq_handler id %d, status %x\n", id, ch_status);
 			if ((ch_status & DMOV_STATUS_CMD_PTR_RDY) && !list_empty(&ready_commands[id])) {
 				cmd = list_entry(ready_commands[id].next, typeof(*cmd), list);
-				list_del(&cmd->list);
-				list_add_tail(&cmd->list, &active_commands[id]);
+				list_move_tail(&cmd->list, &active_commands[id]);
 				if (cmd->execute_func)
 					cmd->execute_func(cmd);
 				PRINT_FLOW("msm_datamover_irq_handler id %d, start command\n", id);
diff --git a/arch/arm/mach-msm/idle.c b/arch/arm/mach-msm/idle.c
deleted file mode 100644
index 0c9e13c6574..00000000000
--- a/arch/arm/mach-msm/idle.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* arch/arm/mach-msm/idle.c
- *
- * Idle processing for MSM7K - work around bugs with SWFI.
- *
- * Copyright (c) 2007 QUALCOMM Incorporated.
- * Copyright (C) 2007 Google, Inc.
- *
- * 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/init.h>
-#include <asm/system.h>
-
-static void msm_idle(void)
-{
-#ifdef CONFIG_MSM7X00A_IDLE
-	asm volatile (
-
-	"mrc     p15, 0, r1, c1, c0, 0    /* read current CR    */ \n\t"
-	"bic     r0, r1, #(1 << 2)        /* clear dcache bit   */ \n\t"
-	"bic     r0, r0, #(1 << 12)       /* clear icache bit   */ \n\t"
-	"mcr     p15, 0, r0, c1, c0, 0    /* disable d/i cache  */ \n\t"
-
-	"mov     r0, #0                   /* prepare wfi value  */ \n\t"
-	"mcr     p15, 0, r0, c7, c10, 0   /* flush the cache    */ \n\t"
-	"mcr     p15, 0, r0, c7, c10, 4   /* memory barrier     */ \n\t"
-	"mcr     p15, 0, r0, c7, c0, 4    /* wait for interrupt */ \n\t"
-
-	"mcr     p15, 0, r1, c1, c0, 0    /* restore d/i cache  */ \n\t"
-
-	: : : "r0","r1" );
-#endif
-}
-
-static int __init msm_idle_init(void)
-{
-	arm_pm_idle = msm_idle;
-	return 0;
-}
-
-arch_initcall(msm_idle_init);
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 435f8edfafd..5a0811a4c85 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -22,15 +22,6 @@
 
 /* platform device data structures */
 
-struct msm_acpu_clock_platform_data
-{
-	uint32_t acpu_switch_time_us;
-	uint32_t max_speed_delta_khz;
-	uint32_t vdd_switch_time_us;
-	unsigned long power_collapse_khz;
-	unsigned long wait_for_irq_khz;
-};
-
 struct clk_lookup;
 
 extern struct sys_timer msm_timer;
@@ -42,7 +33,6 @@ void __init msm_map_common_io(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);
-void __init msm_acpu_clock_init(struct msm_acpu_clock_platform_data *);
 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/msm_iomap-8960.h b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h
index a1752c0284f..facf434d09b 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h
@@ -46,7 +46,7 @@
 #define MSM8960_TMR0_SIZE	SZ_4K
 
 #ifdef CONFIG_DEBUG_MSM8960_UART
-#define MSM_DEBUG_UART_BASE	0xE1040000
+#define MSM_DEBUG_UART_BASE	0xF0040000
 #define MSM_DEBUG_UART_PHYS	0x16440000
 #endif
 
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
index 5aed57dc808..21a2a8859a9 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
@@ -63,7 +63,7 @@
 #define MSM8X60_TMR0_SIZE	SZ_4K
 
 #ifdef CONFIG_DEBUG_MSM8660_UART
-#define MSM_DEBUG_UART_BASE	0xE1040000
+#define MSM_DEBUG_UART_BASE	0xF0040000
 #define MSM_DEBUG_UART_PHYS	0x19C40000
 #endif
 
diff --git a/arch/arm/mach-msm/include/mach/system.h b/arch/arm/mach-msm/include/mach/system.h
deleted file mode 100644
index f5fb2ec87ff..00000000000
--- a/arch/arm/mach-msm/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* arch/arm/mach-msm/include/mach/system.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * 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.
- *
- */
-
-/* low level hardware reset hook -- for example, hitting the
- * PSHOLD line on the PMIC to hard reset the system
- */
-extern void (*msm_hw_reset_hook)(void);
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index a1e7b116885..3cb4f4c3571 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -29,30 +29,30 @@
 
 #include <mach/board.h>
 
-#define MSM_CHIP_DEVICE(name, chip) {			      \
+#define MSM_CHIP_DEVICE_TYPE(name, chip, mem_type) {			      \
 		.virtual = (unsigned long) MSM_##name##_BASE, \
 		.pfn = __phys_to_pfn(chip##_##name##_PHYS), \
 		.length = chip##_##name##_SIZE, \
-		.type = MT_DEVICE_NONSHARED, \
+		.type = mem_type, \
 	 }
 
+#define MSM_DEVICE_TYPE(name, mem_type) \
+		MSM_CHIP_DEVICE_TYPE(name, MSM, mem_type)
+#define MSM_CHIP_DEVICE(name, chip) \
+		MSM_CHIP_DEVICE_TYPE(name, chip, MT_DEVICE)
 #define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM)
 
-#if defined(CONFIG_ARCH_MSM7X00A) || defined(CONFIG_ARCH_MSM7X27) \
-	|| defined(CONFIG_ARCH_MSM7X25)
+#if defined(CONFIG_ARCH_MSM7X00A)
 static struct map_desc msm_io_desc[] __initdata = {
-	MSM_DEVICE(VIC),
-	MSM_CHIP_DEVICE(CSR, MSM7X00),
-	MSM_DEVICE(DMOV),
-	MSM_CHIP_DEVICE(GPIO1, MSM7X00),
-	MSM_CHIP_DEVICE(GPIO2, MSM7X00),
-	MSM_DEVICE(CLK_CTL),
+	MSM_DEVICE_TYPE(VIC, MT_DEVICE_NONSHARED),
+	MSM_CHIP_DEVICE_TYPE(CSR, MSM7X00, MT_DEVICE_NONSHARED),
+	MSM_DEVICE_TYPE(DMOV, MT_DEVICE_NONSHARED),
+	MSM_CHIP_DEVICE_TYPE(GPIO1, MSM7X00, MT_DEVICE_NONSHARED),
+	MSM_CHIP_DEVICE_TYPE(GPIO2, MSM7X00, MT_DEVICE_NONSHARED),
+	MSM_DEVICE_TYPE(CLK_CTL, MT_DEVICE_NONSHARED),
 #if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
 	defined(CONFIG_DEBUG_MSM_UART3)
-	MSM_DEVICE(DEBUG_UART),
-#endif
-#ifdef CONFIG_ARCH_MSM7X30
-	MSM_DEVICE(GCC),
+	MSM_DEVICE_TYPE(DEBUG_UART, MT_DEVICE_NONSHARED),
 #endif
 	{
 		.virtual =  (unsigned long) MSM_SHARED_RAM_BASE,
diff --git a/arch/arm/mach-msm/proc_comm.c b/arch/arm/mach-msm/proc_comm.c
index 9980dc736e7..8f1eecd8818 100644
--- a/arch/arm/mach-msm/proc_comm.c
+++ b/arch/arm/mach-msm/proc_comm.c
@@ -19,7 +19,6 @@
 #include <linux/io.h>
 #include <linux/spinlock.h>
 #include <mach/msm_iomap.h>
-#include <mach/system.h>
 
 #include "proc_comm.h"
 
diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c
index 657be73297d..84183ed2ef7 100644
--- a/arch/arm/mach-msm/smd.c
+++ b/arch/arm/mach-msm/smd.c
@@ -30,7 +30,6 @@
 #include <linux/delay.h>
 
 #include <mach/msm_smd.h>
-#include <mach/system.h>
 
 #include "smd_private.h"
 #include "proc_comm.h"
@@ -39,8 +38,6 @@
 #define CONFIG_QDSP6 1
 #endif
 
-void (*msm_hw_reset_hook)(void);
-
 #define MODULE_NAME "msm_smd"
 
 enum {
@@ -101,10 +98,6 @@ static void handle_modem_crash(void)
 	pr_err("ARM9 has CRASHED\n");
 	smd_diag();
 
-	/* hard reboot if possible */
-	if (msm_hw_reset_hook)
-		msm_hw_reset_hook();
-
 	/* in this case the modem or watchdog should reboot us */
 	for (;;)
 		;
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 81280825493..004f93515a4 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -101,7 +101,7 @@ static struct clock_event_device msm_clockevent = {
 
 static union {
 	struct clock_event_device *evt;
-	struct clock_event_device __percpu **percpu_evt;
+	struct clock_event_device * __percpu *percpu_evt;
 } msm_evt;
 
 static void __iomem *source_base;