1 files changed, 0 insertions, 503 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
deleted file mode 100644
index 197974defbe..00000000000
--- a/arch/arm/plat-omap/clock.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/*
- *  linux/arch/arm/plat-omap/clock.c
- *
- *  Copyright (C) 2004 - 2008 Nokia corporation
- *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
- *
- *  Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/string.h>
-#include <linux/clk.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/cpufreq.h>
-#include <linux/debugfs.h>
-
-#include <asm/io.h>
-
-#include <mach/clock.h>
-
-static LIST_HEAD(clocks);
-static DEFINE_MUTEX(clocks_mutex);
-static DEFINE_SPINLOCK(clockfw_lock);
-
-static struct clk_functions *arch_clock;
-
-/*-------------------------------------------------------------------------
- * Standard clock functions defined in include/linux/clk.h
- *-------------------------------------------------------------------------*/
-
-/*
- * Returns a clock. Note that we first try to use device id on the bus
- * and clock name. If this fails, we try to use clock name only.
- */
-struct clk * clk_get(struct device *dev, const char *id)
-{
-	struct clk *p, *clk = ERR_PTR(-ENOENT);
-	int idno;
-
-	if (dev == NULL || dev->bus != &platform_bus_type)
-		idno = -1;
-	else
-		idno = to_platform_device(dev)->id;
-
-	mutex_lock(&clocks_mutex);
-
-	list_for_each_entry(p, &clocks, node) {
-		if (p->id == idno &&
-		    strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
-			clk = p;
-			goto found;
-		}
-	}
-
-	list_for_each_entry(p, &clocks, node) {
-		if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
-			clk = p;
-			break;
-		}
-	}
-
-found:
-	mutex_unlock(&clocks_mutex);
-
-	return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-int clk_enable(struct clk *clk)
-{
-	unsigned long flags;
-	int ret = 0;
-
-	if (clk == NULL || IS_ERR(clk))
-		return -EINVAL;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_enable)
-		ret = arch_clock->clk_enable(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (clk->usecount == 0) {
-		printk(KERN_ERR "Trying disable clock %s with 0 usecount\n",
-		       clk->name);
-		WARN_ON(1);
-		goto out;
-	}
-
-	if (arch_clock->clk_disable)
-		arch_clock->clk_disable(clk);
-
-out:
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
-int clk_get_usecount(struct clk *clk)
-{
-	unsigned long flags;
-	int ret = 0;
-
-	if (clk == NULL || IS_ERR(clk))
-		return 0;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	ret = clk->usecount;
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_get_usecount);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	unsigned long flags;
-	unsigned long ret = 0;
-
-	if (clk == NULL || IS_ERR(clk))
-		return 0;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	ret = clk->rate;
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-	if (clk && !IS_ERR(clk))
-		module_put(clk->owner);
-}
-EXPORT_SYMBOL(clk_put);
-
-/*-------------------------------------------------------------------------
- * Optional clock functions defined in include/linux/clk.h
- *-------------------------------------------------------------------------*/
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long flags;
-	long ret = 0;
-
-	if (clk == NULL || IS_ERR(clk))
-		return ret;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_round_rate)
-		ret = arch_clock->clk_round_rate(clk, rate);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long flags;
-	int ret = -EINVAL;
-
-	if (clk == NULL || IS_ERR(clk))
-		return ret;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_set_rate)
-		ret = arch_clock->clk_set_rate(clk, rate);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_set_rate);
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
-	unsigned long flags;
-	int ret = -EINVAL;
-
-	if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent))
-		return ret;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_set_parent)
-		ret =  arch_clock->clk_set_parent(clk, parent);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_set_parent);
-
-struct clk *clk_get_parent(struct clk *clk)
-{
-	unsigned long flags;
-	struct clk * ret = NULL;
-
-	if (clk == NULL || IS_ERR(clk))
-		return ret;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_get_parent)
-		ret = arch_clock->clk_get_parent(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-/*-------------------------------------------------------------------------
- * OMAP specific clock functions shared between omap1 and omap2
- *-------------------------------------------------------------------------*/
-
-unsigned int __initdata mpurate;
-
-/*
- * By default we use the rate set by the bootloader.
- * You can override this with mpurate= cmdline option.
- */
-static int __init omap_clk_setup(char *str)
-{
-	get_option(&str, &mpurate);
-
-	if (!mpurate)
-		return 1;
-
-	if (mpurate < 1000)
-		mpurate *= 1000000;
-
-	return 1;
-}
-__setup("mpurate=", omap_clk_setup);
-
-/* Used for clocks that always have same value as the parent clock */
-void followparent_recalc(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	clk->rate = clk->parent->rate;
-	if (unlikely(clk->flags & RATE_PROPAGATES))
-		propagate_rate(clk);
-}
-
-/* Propagate rate to children */
-void propagate_rate(struct clk * tclk)
-{
-	struct clk *clkp;
-
-	if (tclk == NULL || IS_ERR(tclk))
-		return;
-
-	list_for_each_entry(clkp, &clocks, node) {
-		if (likely(clkp->parent != tclk))
-			continue;
-		if (likely((u32)clkp->recalc))
-			clkp->recalc(clkp);
-	}
-}
-
-/**
- * recalculate_root_clocks - recalculate and propagate all root clocks
- *
- * Recalculates all root clocks (clocks with no parent), which if the
- * clock's .recalc is set correctly, should also propagate their rates.
- * Called at init.
- */
-void recalculate_root_clocks(void)
-{
-	struct clk *clkp;
-
-	list_for_each_entry(clkp, &clocks, node) {
-		if (unlikely(!clkp->parent) && likely((u32)clkp->recalc))
-			clkp->recalc(clkp);
-	}
-}
-
-int clk_register(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return -EINVAL;
-
-	mutex_lock(&clocks_mutex);
-	list_add(&clk->node, &clocks);
-	if (clk->init)
-		clk->init(clk);
-	mutex_unlock(&clocks_mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL(clk_register);
-
-void clk_unregister(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	mutex_lock(&clocks_mutex);
-	list_del(&clk->node);
-	mutex_unlock(&clocks_mutex);
-}
-EXPORT_SYMBOL(clk_unregister);
-
-void clk_deny_idle(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_deny_idle)
-		arch_clock->clk_deny_idle(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-}
-EXPORT_SYMBOL(clk_deny_idle);
-
-void clk_allow_idle(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_allow_idle)
-		arch_clock->clk_allow_idle(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-}
-EXPORT_SYMBOL(clk_allow_idle);
-
-void clk_enable_init_clocks(void)
-{
-	struct clk *clkp;
-
-	list_for_each_entry(clkp, &clocks, node) {
-		if (clkp->flags & ENABLE_ON_INIT)
-			clk_enable(clkp);
-	}
-}
-EXPORT_SYMBOL(clk_enable_init_clocks);
-
-#ifdef CONFIG_CPU_FREQ
-void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_init_cpufreq_table)
-		arch_clock->clk_init_cpufreq_table(table);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-}
-EXPORT_SYMBOL(clk_init_cpufreq_table);
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef CONFIG_OMAP_RESET_CLOCKS
-/*
- * Disable any unused clocks left on by the bootloader
- */
-static int __init clk_disable_unused(void)
-{
-	struct clk *ck;
-	unsigned long flags;
-
-	list_for_each_entry(ck, &clocks, node) {
-		if (ck->usecount > 0 || (ck->flags & ALWAYS_ENABLED) ||
-			ck->enable_reg == 0)
-			continue;
-
-		spin_lock_irqsave(&clockfw_lock, flags);
-		if (arch_clock->clk_disable_unused)
-			arch_clock->clk_disable_unused(ck);
-		spin_unlock_irqrestore(&clockfw_lock, flags);
-	}
-
-	return 0;
-}
-late_initcall(clk_disable_unused);
-#endif
-
-int __init clk_init(struct clk_functions * custom_clocks)
-{
-	if (!custom_clocks) {
-		printk(KERN_ERR "No custom clock functions registered\n");
-		BUG();
-	}
-
-	arch_clock = custom_clocks;
-
-	return 0;
-}
-
-#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
-/*
- *	debugfs support to trace clock tree hierarchy and attributes
- */
-static struct dentry *clk_debugfs_root;
-
-static int clk_debugfs_register_one(struct clk *c)
-{
-	int err;
-	struct dentry *d, *child;
-	struct clk *pa = c->parent;
-	char s[255];
-	char *p = s;
-
-	p += sprintf(p, "%s", c->name);
-	if (c->id != 0)
-		sprintf(p, ":%d", c->id);
-	d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
-	if (IS_ERR(d))
-		return PTR_ERR(d);
-	c->dent = d;
-
-	d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount);
-	if (IS_ERR(d)) {
-		err = PTR_ERR(d);
-		goto err_out;
-	}
-	d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
-	if (IS_ERR(d)) {
-		err = PTR_ERR(d);
-		goto err_out;
-	}
-	d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags);
-	if (IS_ERR(d)) {
-		err = PTR_ERR(d);
-		goto err_out;
-	}
-	return 0;
-
-err_out:
-	d = c->dent;
-	list_for_each_entry(child, &d->d_subdirs, d_u.d_child)
-		debugfs_remove(child);
-	debugfs_remove(c->dent);
-	return err;
-}
-
-static int clk_debugfs_register(struct clk *c)
-{
-	int err;
-	struct clk *pa = c->parent;
-
-	if (pa && !pa->dent) {
-		err = clk_debugfs_register(pa);
-		if (err)
-			return err;
-	}
-
-	if (!c->dent) {
-		err = clk_debugfs_register_one(c);
-		if (err)
-			return err;
-	}
-	return 0;
-}
-
-static int __init clk_debugfs_init(void)
-{
-	struct clk *c;
-	struct dentry *d;
-	int err;
-
-	d = debugfs_create_dir("clock", NULL);
-	if (IS_ERR(d))
-		return PTR_ERR(d);
-	clk_debugfs_root = d;
-
-	list_for_each_entry(c, &clocks, node) {
-		err = clk_debugfs_register(c);
-		if (err)
-			goto err_out;
-	}
-	return 0;
-err_out:
-	debugfs_remove(clk_debugfs_root); /* REVISIT: Cleanup correctly */
-	return err;
-}
-late_initcall(clk_debugfs_init);
-
-#endif /* defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) */