1 files changed, 7 insertions, 197 deletions

diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index 3b1ce36f103..35ea02b5248 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 QUALCOMM Incorporated
+ * 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
@@ -14,205 +14,15 @@
  *
  */
 
-#include <linux/version.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
+#include <linux/clk-provider.h>
 #include <linux/module.h>
-#include <linux/list.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/spinlock.h>
 
 #include "clock.h"
-#include "proc_comm.h"
 
-static DEFINE_MUTEX(clocks_mutex);
-static DEFINE_SPINLOCK(clocks_lock);
-static LIST_HEAD(clocks);
-
-/*
- * glue for the proc_comm interface
- */
-static inline int pc_clk_enable(unsigned id)
-{
-	return msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
-}
-
-static inline void pc_clk_disable(unsigned id)
-{
-	msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, NULL);
-}
-
-static inline int pc_clk_set_rate(unsigned id, unsigned rate)
-{
-	return msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
-}
-
-static inline int pc_clk_set_min_rate(unsigned id, unsigned rate)
-{
-	return msm_proc_comm(PCOM_CLKCTL_RPC_MIN_RATE, &id, &rate);
-}
-
-static inline int pc_clk_set_max_rate(unsigned id, unsigned rate)
+int clk_reset(struct clk *clk, enum clk_reset_action action)
 {
-	return msm_proc_comm(PCOM_CLKCTL_RPC_MAX_RATE, &id, &rate);
+	struct clk_hw *hw = __clk_get_hw(clk);
+	struct msm_clk *m = to_msm_clk(hw);
+	return m->reset(hw, action);
 }
-
-static inline int pc_clk_set_flags(unsigned id, unsigned flags)
-{
-	return msm_proc_comm(PCOM_CLKCTL_RPC_SET_FLAGS, &id, &flags);
-}
-
-static inline unsigned pc_clk_get_rate(unsigned id)
-{
-	if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, NULL))
-		return 0;
-	else
-		return id;
-}
-
-static inline unsigned pc_clk_is_enabled(unsigned id)
-{
-	if (msm_proc_comm(PCOM_CLKCTL_RPC_ENABLED, &id, NULL))
-		return 0;
-	else
-		return id;
-}
-
-static inline int pc_pll_request(unsigned id, unsigned on)
-{
-	on = !!on;
-	return msm_proc_comm(PCOM_CLKCTL_RPC_PLL_REQUEST, &id, &on);
-}
-
-/*
- * Standard clock functions defined in include/linux/clk.h
- */
-struct clk *clk_get(struct device *dev, const char *id)
-{
-	struct clk *clk;
-
-	mutex_lock(&clocks_mutex);
-
-	list_for_each_entry(clk, &clocks, list)
-		if (!strcmp(id, clk->name) && clk->dev == dev)
-			goto found_it;
-
-	list_for_each_entry(clk, &clocks, list)
-		if (!strcmp(id, clk->name) && clk->dev == NULL)
-			goto found_it;
-
-	clk = ERR_PTR(-ENOENT);
-found_it:
-	mutex_unlock(&clocks_mutex);
-	return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
-
-int clk_enable(struct clk *clk)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&clocks_lock, flags);
-	clk->count++;
-	if (clk->count == 1)
-		pc_clk_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)
-		pc_clk_disable(clk->id);
-	spin_unlock_irqrestore(&clocks_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	return pc_clk_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_USE_MIN_MAX_TO_SET) {
-		ret = pc_clk_set_max_rate(clk->id, rate);
-		if (ret)
-			return ret;
-		return pc_clk_set_min_rate(clk->id, rate);
-	}
-	return pc_clk_set_rate(clk->id, rate);
-}
-EXPORT_SYMBOL(clk_set_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 pc_clk_set_flags(clk->id, flags);
-}
-EXPORT_SYMBOL(clk_set_flags);
-
-
-void __init msm_clock_init(void)
-{
-	unsigned n;
-
-	spin_lock_init(&clocks_lock);
-	mutex_lock(&clocks_mutex);
-	for (n = 0; n < msm_num_clocks; n++)
-		list_add_tail(&msm_clocks[n].list, &clocks);
-	mutex_unlock(&clocks_mutex);
-}
-
-/* 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;
-
-	mutex_lock(&clocks_mutex);
-	list_for_each_entry(clk, &clocks, list) {
-		if (clk->flags & CLKFLAG_AUTO_OFF) {
-			spin_lock_irqsave(&clocks_lock, flags);
-			if (!clk->count) {
-				count++;
-				pc_clk_disable(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);
+EXPORT_SYMBOL(clk_reset);