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Diffstat (limited to 'arch/arm/mach-realview/clock.c')
-rw-r--r--arch/arm/mach-realview/clock.c80
1 files changed, 5 insertions, 75 deletions
diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c
index 3347c4236a6..a7043115de7 100644
--- a/arch/arm/mach-realview/clock.c
+++ b/arch/arm/mach-realview/clock.c
@@ -10,9 +10,11 @@
*/
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/device.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>
@@ -20,32 +22,6 @@
#include "clock.h"
-static LIST_HEAD(clocks);
-static DEFINE_MUTEX(clocks_mutex);
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- struct clk *p, *clk = ERR_PTR(-ENOENT);
-
- mutex_lock(&clocks_mutex);
- list_for_each_entry(p, &clocks, node) {
- if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
- clk = p;
- break;
- }
- }
- mutex_unlock(&clocks_mutex);
-
- return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
- module_put(clk->owner);
-}
-EXPORT_SYMBOL(clk_put);
-
int clk_enable(struct clk *clk)
{
return 0;
@@ -65,7 +41,9 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
- return rate;
+ struct icst307_vco vco;
+ vco = icst307_khz_to_vco(clk->params, rate / 1000);
+ return icst307_khz(clk->params, vco) * 1000;
}
EXPORT_SYMBOL(clk_round_rate);
@@ -78,57 +56,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
vco = icst307_khz_to_vco(clk->params, rate / 1000);
clk->rate = icst307_khz(clk->params, vco) * 1000;
-
- printk("Clock %s: setting VCO reg params: S=%d R=%d V=%d\n",
- clk->name, vco.s, vco.r, vco.v);
-
clk->setvco(clk, vco);
ret = 0;
}
return ret;
}
EXPORT_SYMBOL(clk_set_rate);
-
-/*
- * These are fixed clocks.
- */
-static struct clk kmi_clk = {
- .name = "KMIREFCLK",
- .rate = 24000000,
-};
-
-static struct clk uart_clk = {
- .name = "UARTCLK",
- .rate = 24000000,
-};
-
-static struct clk mmci_clk = {
- .name = "MCLK",
- .rate = 24000000,
-};
-
-int clk_register(struct clk *clk)
-{
- mutex_lock(&clocks_mutex);
- list_add(&clk->node, &clocks);
- mutex_unlock(&clocks_mutex);
- return 0;
-}
-EXPORT_SYMBOL(clk_register);
-
-void clk_unregister(struct clk *clk)
-{
- mutex_lock(&clocks_mutex);
- list_del(&clk->node);
- mutex_unlock(&clocks_mutex);
-}
-EXPORT_SYMBOL(clk_unregister);
-
-static int __init clk_init(void)
-{
- clk_register(&kmi_clk);
- clk_register(&uart_clk);
- clk_register(&mmci_clk);
- return 0;
-}
-arch_initcall(clk_init);