1 files changed, 0 insertions, 488 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
deleted file mode 100644
index 03ad578349b..00000000000
--- a/arch/arm/mach-tegra/clock.c
+++ /dev/null
@@ -1,488 +0,0 @@
-/*
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * Author:
- *	Colin Cross <ccross@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/kernel.h>
-#include <linux/clk.h>
-#include <linux/list.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/debugfs.h>
-#include <linux/slab.h>
-#include <linux/seq_file.h>
-#include <asm/clkdev.h>
-
-#include "clock.h"
-
-static LIST_HEAD(clocks);
-
-static DEFINE_SPINLOCK(clock_lock);
-
-struct clk *tegra_get_clock_by_name(const char *name)
-{
-	struct clk *c;
-	struct clk *ret = NULL;
-	unsigned long flags;
-	spin_lock_irqsave(&clock_lock, flags);
-	list_for_each_entry(c, &clocks, node) {
-		if (strcmp(c->name, name) == 0) {
-			ret = c;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&clock_lock, flags);
-	return ret;
-}
-
-int clk_reparent(struct clk *c, struct clk *parent)
-{
-	pr_debug("%s: %s\n", __func__, c->name);
-	if (c->refcnt && c->parent)
-		clk_disable_locked(c->parent);
-	c->parent = parent;
-	if (c->refcnt && c->parent)
-		clk_enable_locked(c->parent);
-	list_del(&c->sibling);
-	list_add_tail(&c->sibling, &parent->children);
-	return 0;
-}
-
-static void propagate_rate(struct clk *c)
-{
-	struct clk *clkp;
-	pr_debug("%s: %s\n", __func__, c->name);
-	list_for_each_entry(clkp, &c->children, sibling) {
-		pr_debug("   %s\n", clkp->name);
-		if (clkp->ops->recalculate_rate)
-			clkp->ops->recalculate_rate(clkp);
-		propagate_rate(clkp);
-	}
-}
-
-void clk_init(struct clk *c)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&clock_lock, flags);
-
-	INIT_LIST_HEAD(&c->children);
-	INIT_LIST_HEAD(&c->sibling);
-
-	if (c->ops && c->ops->init)
-		c->ops->init(c);
-
-	list_add(&c->node, &clocks);
-
-	if (c->parent)
-		list_add_tail(&c->sibling, &c->parent->children);
-
-	spin_unlock_irqrestore(&clock_lock, flags);
-}
-
-int clk_enable_locked(struct clk *c)
-{
-	int ret;
-	pr_debug("%s: %s\n", __func__, c->name);
-	if (c->refcnt == 0) {
-		if (c->parent) {
-			ret = clk_enable_locked(c->parent);
-			if (ret)
-				return ret;
-		}
-
-		if (c->ops && c->ops->enable) {
-			ret = c->ops->enable(c);
-			if (ret) {
-				if (c->parent)
-					clk_disable_locked(c->parent);
-				return ret;
-			}
-			c->state = ON;
-#ifdef CONFIG_DEBUG_FS
-			c->set = 1;
-#endif
-		}
-	}
-	c->refcnt++;
-
-	return 0;
-}
-
-int clk_enable(struct clk *c)
-{
-	int ret;
-	unsigned long flags;
-	spin_lock_irqsave(&clock_lock, flags);
-	ret = clk_enable_locked(c);
-	spin_unlock_irqrestore(&clock_lock, flags);
-	return ret;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable_locked(struct clk *c)
-{
-	pr_debug("%s: %s\n", __func__, c->name);
-	if (c->refcnt == 0) {
-		WARN(1, "Attempting to disable clock %s with refcnt 0", c->name);
-		return;
-	}
-	if (c->refcnt == 1) {
-		if (c->ops && c->ops->disable)
-			c->ops->disable(c);
-
-		if (c->parent)
-			clk_disable_locked(c->parent);
-
-		c->state = OFF;
-	}
-	c->refcnt--;
-}
-
-void clk_disable(struct clk *c)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&clock_lock, flags);
-	clk_disable_locked(c);
-	spin_unlock_irqrestore(&clock_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
-int clk_set_parent_locked(struct clk *c, struct clk *parent)
-{
-	int ret;
-
-	pr_debug("%s: %s\n", __func__, c->name);
-
-	if (!c->ops || !c->ops->set_parent)
-		return -ENOSYS;
-
-	ret = c->ops->set_parent(c, parent);
-
-	if (ret)
-		return ret;
-
-	propagate_rate(c);
-
-	return 0;
-}
-
-int clk_set_parent(struct clk *c, struct clk *parent)
-{
-	int ret;
-	unsigned long flags;
-	spin_lock_irqsave(&clock_lock, flags);
-	ret = clk_set_parent_locked(c, parent);
-	spin_unlock_irqrestore(&clock_lock, flags);
-	return ret;
-}
-EXPORT_SYMBOL(clk_set_parent);
-
-struct clk *clk_get_parent(struct clk *c)
-{
-	return c->parent;
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-int clk_set_rate(struct clk *c, unsigned long rate)
-{
-	int ret = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&clock_lock, flags);
-
-	pr_debug("%s: %s\n", __func__, c->name);
-
-	if (c->ops && c->ops->set_rate)
-		ret = c->ops->set_rate(c, rate);
-	else
-		ret = -ENOSYS;
-
-	propagate_rate(c);
-
-	spin_unlock_irqrestore(&clock_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_set_rate);
-
-unsigned long clk_get_rate(struct clk *c)
-{
-	unsigned long flags;
-	unsigned long ret;
-
-	spin_lock_irqsave(&clock_lock, flags);
-
-	pr_debug("%s: %s\n", __func__, c->name);
-
-	ret = c->rate;
-
-	spin_unlock_irqrestore(&clock_lock, flags);
-	return ret;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table)
-{
-	struct clk *c;
-	struct clk *p;
-
-	int ret = 0;
-
-	c = tegra_get_clock_by_name(table->name);
-
-	if (!c) {
-		pr_warning("Unable to initialize clock %s\n",
-			table->name);
-		return -ENODEV;
-	}
-
-	if (table->parent) {
-		p = tegra_get_clock_by_name(table->parent);
-		if (!p) {
-			pr_warning("Unable to find parent %s of clock %s\n",
-				table->parent, table->name);
-			return -ENODEV;
-		}
-
-		if (c->parent != p) {
-			ret = clk_set_parent(c, p);
-			if (ret) {
-				pr_warning("Unable to set parent %s of clock %s: %d\n",
-					table->parent, table->name, ret);
-				return -EINVAL;
-			}
-		}
-	}
-
-	if (table->rate && table->rate != clk_get_rate(c)) {
-		ret = clk_set_rate(c, table->rate);
-		if (ret) {
-			pr_warning("Unable to set clock %s to rate %lu: %d\n",
-				table->name, table->rate, ret);
-			return -EINVAL;
-		}
-	}
-
-	if (table->enabled) {
-		ret = clk_enable(c);
-		if (ret) {
-			pr_warning("Unable to enable clock %s: %d\n",
-				table->name, ret);
-			return -EINVAL;
-		}
-	}
-
-	return 0;
-}
-
-void tegra_clk_init_from_table(struct tegra_clk_init_table *table)
-{
-	for (; table->name; table++)
-		tegra_clk_init_one_from_table(table);
-}
-EXPORT_SYMBOL(tegra_clk_init_from_table);
-
-void tegra_periph_reset_deassert(struct clk *c)
-{
-	tegra2_periph_reset_deassert(c);
-}
-EXPORT_SYMBOL(tegra_periph_reset_deassert);
-
-void tegra_periph_reset_assert(struct clk *c)
-{
-	tegra2_periph_reset_assert(c);
-}
-EXPORT_SYMBOL(tegra_periph_reset_assert);
-
-int __init tegra_init_clock(void)
-{
-	tegra2_init_clocks();
-
-	return 0;
-}
-
-#ifdef CONFIG_DEBUG_FS
-static struct dentry *clk_debugfs_root;
-
-
-static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level)
-{
-	struct clk *child;
-	struct clk *safe;
-	const char *state = "uninit";
-	char div[5] = {0};
-
-	if (c->state == ON)
-		state = "on";
-	else if (c->state == OFF)
-		state = "off";
-
-	if (c->mul != 0 && c->div != 0) {
-		BUG_ON(c->mul > 2);
-		if (c->mul > c->div)
-			snprintf(div, sizeof(div), "x%d", c->mul / c->div);
-		else
-			snprintf(div, sizeof(div), "%d%s", c->div / c->mul,
-				(c->div % c->mul) ? ".5" : "");
-	}
-
-	seq_printf(s, "%*s%-*s %-6s %-3d %-5s %-10lu\n",
-		level * 3 + 1, c->set ? "" : "*",
-		30 - level * 3, c->name,
-		state, c->refcnt, div, c->rate);
-	list_for_each_entry_safe(child, safe, &c->children, sibling) {
-		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 div   rate      \n");
-	seq_printf(s, "-----------------------------------------------------------\n");
-	spin_lock_irqsave(&clock_lock, flags);
-	list_for_each_entry(c, &clocks, node)
-		if (c->parent == NULL)
-			clock_tree_show_one(s, c, 0);
-	spin_unlock_irqrestore(&clock_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 possible_parents_show(struct seq_file *s, void *data)
-{
-	struct clk *c = s->private;
-	int i;
-
-	for (i = 0; c->inputs[i].input; i++) {
-		char *first = (i == 0) ? "" : " ";
-		seq_printf(s, "%s%s", first, c->inputs[i].input->name);
-	}
-	seq_printf(s, "\n");
-	return 0;
-}
-
-static int possible_parents_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, possible_parents_show, inode->i_private);
-}
-
-static const struct file_operations possible_parents_fops = {
-	.open		= possible_parents_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int clk_debugfs_register_one(struct clk *c)
-{
-	struct dentry *d, *child, *child_tmp;
-
-	d = debugfs_create_dir(c->name, clk_debugfs_root);
-	if (!d)
-		return -ENOMEM;
-	c->dent = d;
-
-	d = debugfs_create_u8("refcnt", S_IRUGO, c->dent, (u8 *)&c->refcnt);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
-	if (!d)
-		goto err_out;
-
-	d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags);
-	if (!d)
-		goto err_out;
-
-	if (c->inputs) {
-		d = debugfs_create_file("possible_parents", S_IRUGO, c->dent,
-			c, &possible_parents_fops);
-		if (!d)
-			goto err_out;
-	}
-
-	return 0;
-
-err_out:
-	d = c->dent;
-	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
-		debugfs_remove(child);
-	debugfs_remove(c->dent);
-	return -ENOMEM;
-}
-
-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, node) {
-		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