1 files changed, 0 insertions, 539 deletions
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
deleted file mode 100644
index d103ac1a52af..000000000000
--- a/arch/arm/plat-samsung/clock.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/* linux/arch/arm/plat-s3c24xx/clock.c
- *
- * Copyright 2004-2005 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C24XX Core clock control support
- *
- * Based on, and code from linux/arch/arm/mach-versatile/clock.c
- **
- **  Copyright (C) 2004 ARM Limited.
- **  Written by Deep Blue Solutions Limited.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/clk.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#if defined(CONFIG_DEBUG_FS)
-#include <linux/debugfs.h>
-#endif
-
-#include <asm/irq.h>
-
-#include <plat/cpu-freq.h>
-
-#include <plat/clock.h>
-#include <plat/cpu.h>
-
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h> /* for s3c24xx_uart_devs */
-
-/* clock information */
-
-static LIST_HEAD(clocks);
-
-/* We originally used an mutex here, but some contexts (see resume)
- * are calling functions such as clk_set_parent() with IRQs disabled
- * causing an BUG to be triggered.
- */
-DEFINE_SPINLOCK(clocks_lock);
-
-/* Global watchdog clock used by arch_wtd_reset() callback */
-struct clk *s3c2410_wdtclk;
-static int __init s3c_wdt_reset_init(void)
-{
-	s3c2410_wdtclk = clk_get(NULL, "watchdog");
-	if (IS_ERR(s3c2410_wdtclk))
-		printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
-	return 0;
-}
-arch_initcall(s3c_wdt_reset_init);
-
-/* enable and disable calls for use with the clk struct */
-
-static int clk_null_enable(struct clk *clk, int enable)
-{
-	return 0;
-}
-
-int clk_enable(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (IS_ERR(clk) || clk == NULL)
-		return -EINVAL;
-
-	clk_enable(clk->parent);
-
-	spin_lock_irqsave(&clocks_lock, flags);
-
-	if ((clk->usage++) == 0)
-		(clk->enable)(clk, 1);
-
-	spin_unlock_irqrestore(&clocks_lock, flags);
-	return 0;
-}
-
-void clk_disable(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (IS_ERR(clk) || clk == NULL)
-		return;
-
-	spin_lock_irqsave(&clocks_lock, flags);
-
-	if ((--clk->usage) == 0)
-		(clk->enable)(clk, 0);
-
-	spin_unlock_irqrestore(&clocks_lock, flags);
-	clk_disable(clk->parent);
-}
-
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	if (IS_ERR_OR_NULL(clk))
-		return 0;
-
-	if (clk->rate != 0)
-		return clk->rate;
-
-	if (clk->ops != NULL && clk->ops->get_rate != NULL)
-		return (clk->ops->get_rate)(clk);
-
-	if (clk->parent != NULL)
-		return clk_get_rate(clk->parent);
-
-	return clk->rate;
-}
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	if (!IS_ERR_OR_NULL(clk) && clk->ops && clk->ops->round_rate)
-		return (clk->ops->round_rate)(clk, rate);
-
-	return rate;
-}
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long flags;
-	int ret;
-
-	if (IS_ERR_OR_NULL(clk))
-		return -EINVAL;
-
-	/* We do not default just do a clk->rate = rate as
-	 * the clock may have been made this way by choice.
-	 */
-
-	WARN_ON(clk->ops == NULL);
-	WARN_ON(clk->ops && clk->ops->set_rate == NULL);
-
-	if (clk->ops == NULL || clk->ops->set_rate == NULL)
-		return -EINVAL;
-
-	spin_lock_irqsave(&clocks_lock, flags);
-	ret = (clk->ops->set_rate)(clk, rate);
-	spin_unlock_irqrestore(&clocks_lock, flags);
-
-	return ret;
-}
-
-struct clk *clk_get_parent(struct clk *clk)
-{
-	return clk->parent;
-}
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
-	unsigned long flags;
-	int ret = 0;
-
-	if (IS_ERR_OR_NULL(clk) || IS_ERR_OR_NULL(parent))
-		return -EINVAL;
-
-	spin_lock_irqsave(&clocks_lock, flags);
-
-	if (clk->ops && clk->ops->set_parent)
-		ret = (clk->ops->set_parent)(clk, parent);
-
-	spin_unlock_irqrestore(&clocks_lock, flags);
-
-	return ret;
-}
-
-EXPORT_SYMBOL(clk_enable);
-EXPORT_SYMBOL(clk_disable);
-EXPORT_SYMBOL(clk_get_rate);
-EXPORT_SYMBOL(clk_round_rate);
-EXPORT_SYMBOL(clk_set_rate);
-EXPORT_SYMBOL(clk_get_parent);
-EXPORT_SYMBOL(clk_set_parent);
-
-/* base clocks */
-
-int clk_default_setrate(struct clk *clk, unsigned long rate)
-{
-	clk->rate = rate;
-	return 0;
-}
-
-struct clk_ops clk_ops_def_setrate = {
-	.set_rate	= clk_default_setrate,
-};
-
-struct clk clk_xtal = {
-	.name		= "xtal",
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-};
-
-struct clk clk_ext = {
-	.name		= "ext",
-};
-
-struct clk clk_epll = {
-	.name		= "epll",
-};
-
-struct clk clk_mpll = {
-	.name		= "mpll",
-	.ops		= &clk_ops_def_setrate,
-};
-
-struct clk clk_upll = {
-	.name		= "upll",
-	.parent		= NULL,
-	.ctrlbit	= 0,
-};
-
-struct clk clk_f = {
-	.name		= "fclk",
-	.rate		= 0,
-	.parent		= &clk_mpll,
-	.ctrlbit	= 0,
-};
-
-struct clk clk_h = {
-	.name		= "hclk",
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.ops		= &clk_ops_def_setrate,
-};
-
-struct clk clk_p = {
-	.name		= "pclk",
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.ops		= &clk_ops_def_setrate,
-};
-
-struct clk clk_usb_bus = {
-	.name		= "usb-bus",
-	.rate		= 0,
-	.parent		= &clk_upll,
-};
-
-
-struct clk s3c24xx_uclk = {
-	.name		= "uclk",
-};
-
-/* initialise the clock system */
-
-/**
- * s3c24xx_register_clock() - register a clock
- * @clk: The clock to register
- *
- * Add the specified clock to the list of clocks known by the system.
- */
-int s3c24xx_register_clock(struct clk *clk)
-{
-	if (clk->enable == NULL)
-		clk->enable = clk_null_enable;
-
-	/* fill up the clk_lookup structure and register it*/
-	clk->lookup.dev_id = clk->devname;
-	clk->lookup.con_id = clk->name;
-	clk->lookup.clk = clk;
-	clkdev_add(&clk->lookup);
-
-	return 0;
-}
-
-/**
- * s3c24xx_register_clocks() - register an array of clock pointers
- * @clks: Pointer to an array of struct clk pointers
- * @nr_clks: The number of clocks in the @clks array.
- *
- * Call s3c24xx_register_clock() for all the clock pointers contained
- * in the @clks list. Returns the number of failures.
- */
-int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
-{
-	int fails = 0;
-
-	for (; nr_clks > 0; nr_clks--, clks++) {
-		if (s3c24xx_register_clock(*clks) < 0) {
-			struct clk *clk = *clks;
-			printk(KERN_ERR "%s: failed to register %p: %s\n",
-			       __func__, clk, clk->name);
-			fails++;
-		}
-	}
-
-	return fails;
-}
-
-/**
- * s3c_register_clocks() - register an array of clocks
- * @clkp: Pointer to the first clock in the array.
- * @nr_clks: Number of clocks to register.
- *
- * Call s3c24xx_register_clock() on the @clkp array given, printing an
- * error if it fails to register the clock (unlikely).
- */
-void __init s3c_register_clocks(struct clk *clkp, int nr_clks)
-{
-	int ret;
-
-	for (; nr_clks > 0; nr_clks--, clkp++) {
-		ret = s3c24xx_register_clock(clkp);
-
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
-}
-
-/**
- * s3c_disable_clocks() - disable an array of clocks
- * @clkp: Pointer to the first clock in the array.
- * @nr_clks: Number of clocks to register.
- *
- * for internal use only at initialisation time. disable the clocks in the
- * @clkp array.
- */
-
-void __init s3c_disable_clocks(struct clk *clkp, int nr_clks)
-{
-	for (; nr_clks > 0; nr_clks--, clkp++)
-		(clkp->enable)(clkp, 0);
-}
-
-/* initialise all the clocks */
-
-int __init s3c24xx_register_baseclocks(unsigned long xtal)
-{
-	printk(KERN_INFO "S3C24XX Clocks, Copyright 2004 Simtec Electronics\n");
-
-	clk_xtal.rate = xtal;
-
-	/* register our clocks */
-
-	if (s3c24xx_register_clock(&clk_xtal) < 0)
-		printk(KERN_ERR "failed to register master xtal\n");
-
-	if (s3c24xx_register_clock(&clk_mpll) < 0)
-		printk(KERN_ERR "failed to register mpll clock\n");
-
-	if (s3c24xx_register_clock(&clk_upll) < 0)
-		printk(KERN_ERR "failed to register upll clock\n");
-
-	if (s3c24xx_register_clock(&clk_f) < 0)
-		printk(KERN_ERR "failed to register cpu fclk\n");
-
-	if (s3c24xx_register_clock(&clk_h) < 0)
-		printk(KERN_ERR "failed to register cpu hclk\n");
-
-	if (s3c24xx_register_clock(&clk_p) < 0)
-		printk(KERN_ERR "failed to register cpu pclk\n");
-
-	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 void clock_tree_show_one(struct seq_file *s, struct clk *c, int level)
-{
-	struct clk *child;
-	const char *state;
-	char buf[255] = { 0 };
-	int n = 0;
-
-	if (c->name)
-		n = snprintf(buf, sizeof(buf) - 1, "%s", c->name);
-
-	if (c->devname)
-		n += snprintf(buf + n, sizeof(buf) - 1 - n, ":%s", c->devname);
-
-	state = (c->usage > 0) ? "on" : "off";
-
-	seq_printf(s, "%*s%-*s %-6s %-3d %-10lu\n",
-		   level * 3 + 1, "",
-		   50 - level * 3, buf,
-		   state, c->usage, clk_get_rate(c));
-
-	list_for_each_entry(child, &clocks, list) {
-		if (child->parent != c)
-			continue;
-
-		clock_tree_show_one(s, child, level + 1);
-	}
-}
-
-static int clock_tree_show(struct seq_file *s, void *data)
-{
-	struct clk *c;
-	unsigned long flags;
-
-	seq_printf(s, " clock state ref rate\n");
-	seq_printf(s, "----------------------------------------------------\n");
-
-	spin_lock_irqsave(&clocks_lock, flags);
-
-	list_for_each_entry(c, &clocks, list)
-		if (c->parent == NULL)
-			clock_tree_show_one(s, c, 0);
-
-	spin_unlock_irqrestore(&clocks_lock, flags);
-	return 0;
-}
-
-static int clock_tree_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, clock_tree_show, inode->i_private);
-}
-
-static const struct file_operations clock_tree_fops = {
-	.open		= clock_tree_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int clock_rate_show(void *data, u64 *val)
-{
-	struct clk *c = data;
-	*val = clk_get_rate(c);
-	return 0;
-}
-DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_rate_show, NULL, "%llu\n");
-
-static int clk_debugfs_register_one(struct clk *c)
-{
-	int err;
-	struct dentry *d;
-	struct clk *pa = c->parent;
-	char s[255];
-	char *p = s;
-
-	p += sprintf(p, "%s", c->devname);
-
-	d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
-	if (!d)
-		return -ENOMEM;
-
-	c->dent = d;
-
-	d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usage);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-
-	d = debugfs_create_file("rate", S_IRUGO, c->dent, c, &clock_rate_fops);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	return 0;
-
-err_out:
-	debugfs_remove_recursive(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 = -ENOMEM;
-
-	d = debugfs_create_dir("clock", NULL);
-	if (!d)
-		return -ENOMEM;
-	clk_debugfs_root = d;
-
-	d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL,
-				 &clock_tree_fops);
-	if (!d)
-		goto err_out;
-
-	list_for_each_entry(c, &clocks, list) {
-		err = clk_debugfs_register(c);
-		if (err)
-			goto err_out;
-	}
-	return 0;
-
-err_out:
-	debugfs_remove_recursive(clk_debugfs_root);
-	return err;
-}
-late_initcall(clk_debugfs_init);
-
-#endif /* defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) */