1 files changed, 0 insertions, 330 deletions
diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c
deleted file mode 100644
index 0a38f0b396e..00000000000
--- a/arch/arm/plat-mxc/clock.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * Based on arch/arm/plat-omap/clock.c
- *
- * Copyright (C) 2004 - 2005 Nokia corporation
- * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
- * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
- * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA  02110-1301, USA.
- */
-
-/* #define DEBUG */
-
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/proc_fs.h>
-#include <linux/semaphore.h>
-#include <linux/string.h>
-
-#include <mach/clock.h>
-
-static LIST_HEAD(clocks);
-static DEFINE_MUTEX(clocks_mutex);
-
-/*-------------------------------------------------------------------------
- * Standard clock functions defined in include/linux/clk.h
- *-------------------------------------------------------------------------*/
-
-/*
- * Retrieve a clock by name.
- *
- * Note that we first try to use device id on the bus
- * and clock name. If this fails, we try to use "<name>.<id>". If this fails,
- * we try to use clock name only.
- * The reference count to the clock's module owner ref count is incremented.
- */
-struct clk *clk_get(struct device *dev, const char *id)
-{
-	struct clk *p, *clk = ERR_PTR(-ENOENT);
-	int idno;
-	const char *str;
-
-	if (id == NULL)
-		return clk;
-
-	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;
-		}
-	}
-
-	str = strrchr(id, '.');
-	if (str) {
-		int cnt = str - id;
-		str++;
-		idno = simple_strtol(str, NULL, 10);
-		list_for_each_entry(p, &clocks, node) {
-			if (p->id == idno &&
-			    strlen(p->name) == cnt &&
-			    strncmp(id, p->name, cnt) == 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;
-			goto found;
-		}
-	}
-
-	printk(KERN_WARNING "clk: Unable to get requested clock: %s\n", id);
-
-found:
-	mutex_unlock(&clocks_mutex);
-
-	return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-static void __clk_disable(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	__clk_disable(clk->parent);
-	__clk_disable(clk->secondary);
-
-	if (!(--clk->usecount) && clk->disable)
-		clk->disable(clk);
-}
-
-static int __clk_enable(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return -EINVAL;
-
-	__clk_enable(clk->parent);
-	__clk_enable(clk->secondary);
-
-	if (clk->usecount++ == 0 && clk->enable)
-		clk->enable(clk);
-
-	return 0;
-}
-
-/* This function increments the reference count on the clock and enables the
- * clock if not already enabled. The parent clock tree is recursively enabled
- */
-int clk_enable(struct clk *clk)
-{
-	int ret = 0;
-
-	if (clk == NULL || IS_ERR(clk))
-		return -EINVAL;
-
-	mutex_lock(&clocks_mutex);
-	ret = __clk_enable(clk);
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_enable);
-
-/* This function decrements the reference count on the clock and disables
- * the clock when reference count is 0. The parent clock tree is
- * recursively disabled
- */
-void clk_disable(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return;
-
-	mutex_lock(&clocks_mutex);
-	__clk_disable(clk);
-	mutex_unlock(&clocks_mutex);
-}
-EXPORT_SYMBOL(clk_disable);
-
-/* Retrieve the *current* clock rate. If the clock itself
- * does not provide a special calculation routine, ask
- * its parent and so on, until one is able to return
- * a valid clock rate
- */
-unsigned long clk_get_rate(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return 0UL;
-
-	if (clk->get_rate)
-		return clk->get_rate(clk);
-
-	return clk_get_rate(clk->parent);
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-/* Decrement the clock's module reference count */
-void clk_put(struct clk *clk)
-{
-	if (clk && !IS_ERR(clk))
-		module_put(clk->owner);
-}
-EXPORT_SYMBOL(clk_put);
-
-/* Round the requested clock rate to the nearest supported
- * rate that is less than or equal to the requested rate.
- * This is dependent on the clock's current parent.
- */
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	if (clk == NULL || IS_ERR(clk) || !clk->round_rate)
-		return 0;
-
-	return clk->round_rate(clk, rate);
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-/* Set the clock to the requested clock rate. The rate must
- * match a supported rate exactly based on what clk_round_rate returns
- */
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-	int ret = -EINVAL;
-
-	if (clk == NULL || IS_ERR(clk) || clk->set_rate == NULL || rate == 0)
-		return ret;
-
-	mutex_lock(&clocks_mutex);
-	ret = clk->set_rate(clk, rate);
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_set_rate);
-
-/* Set the clock's parent to another clock source */
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
-	int ret = -EINVAL;
-
-	if (clk == NULL || IS_ERR(clk) || parent == NULL ||
-	    IS_ERR(parent) || clk->set_parent == NULL)
-		return ret;
-
-	mutex_lock(&clocks_mutex);
-	ret = clk->set_parent(clk, parent);
-	if (ret == 0)
-		clk->parent = parent;
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_set_parent);
-
-/* Retrieve the clock's parent clock source */
-struct clk *clk_get_parent(struct clk *clk)
-{
-	struct clk *ret = NULL;
-
-	if (clk == NULL || IS_ERR(clk))
-		return ret;
-
-	return clk->parent;
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-/*
- * Add a new clock to the clock tree.
- */
-int clk_register(struct clk *clk)
-{
-	if (clk == NULL || IS_ERR(clk))
-		return -EINVAL;
-
-	mutex_lock(&clocks_mutex);
-	list_add(&clk->node, &clocks);
-	mutex_unlock(&clocks_mutex);
-
-	return 0;
-}
-EXPORT_SYMBOL(clk_register);
-
-/* Remove a clock from the clock tree */
-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);
-
-#ifdef CONFIG_PROC_FS
-static int mxc_clock_read_proc(char *page, char **start, off_t off,
-				int count, int *eof, void *data)
-{
-	struct clk *clkp;
-	char *p = page;
-	int len;
-
-	list_for_each_entry(clkp, &clocks, node) {
-		p += sprintf(p, "%s-%d:\t\t%lu, %d", clkp->name, clkp->id,
-				clk_get_rate(clkp), clkp->usecount);
-		if (clkp->parent)
-			p += sprintf(p, ", %s-%d\n", clkp->parent->name,
-				     clkp->parent->id);
-		else
-			p += sprintf(p, "\n");
-	}
-
-	len = (p - page) - off;
-	if (len < 0)
-		len = 0;
-
-	*eof = (len <= count) ? 1 : 0;
-	*start = page + off;
-
-	return len;
-}
-
-static int __init mxc_setup_proc_entry(void)
-{
-	struct proc_dir_entry *res;
-
-	res = create_proc_read_entry("cpu/clocks", 0, NULL,
-				     mxc_clock_read_proc, NULL);
-	if (!res) {
-		printk(KERN_ERR "Failed to create proc/cpu/clocks\n");
-		return -ENOMEM;
-	}
-	return 0;
-}
-
-late_initcall(mxc_setup_proc_entry);
-#endif