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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-31 02:36:49 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-31 02:36:49 +0100
commit14a3c4ab0e58d143c7928c9eb2f2610205e13bf2 (patch)
tree885992999d7a1a2fd3586efcf32ebcbcbc3a72aa /arch/arm/mach-integrator/clock.c
parenttracing: removed duplicated #include (diff)
parentMerge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmia... (diff)
downloadlinux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.tar.xz
linux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.zip
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits) [ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices [ARM] pxafb: cleanup of the timing checking code [ARM] pxafb: cleanup of the color format manipulation code [ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3 [ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching [ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset [ARM] pxafb: allow video memory size to be configurable [ARM] pxa: add document on the MFP design and how to use it [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant [ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant [ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad) [ARM] pxa: Update eseries defconfig [ARM] 5352/1: add w90p910-plat config file [ARM] s3c: S3C options should depend on PLAT_S3C [ARM] mv78xx0: implement GPIO and GPIO interrupt support [ARM] Kirkwood: implement GPIO and GPIO interrupt support [ARM] Orion: share GPIO IRQ handling code [ARM] Orion: share GPIO handling code [ARM] s3c: define __io using the typesafe version [ARM] S3C64XX: Ensure CPU_V6 is selected ...
Diffstat (limited to 'arch/arm/mach-integrator/clock.c')
-rw-r--r--arch/arm/mach-integrator/clock.c80
1 files changed, 4 insertions, 76 deletions
diff --git a/arch/arm/mach-integrator/clock.c b/arch/arm/mach-integrator/clock.c
index 8d761fdd2ecd..989ecf5f5c46 100644
--- a/arch/arm/mach-integrator/clock.c
+++ b/arch/arm/mach-integrator/clock.c
@@ -10,42 +10,12 @@
*/
#include <linux/module.h>
#include <linux/kernel.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 <asm/hardware/icst525.h>
-
-#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);
+#include <asm/clkdev.h>
+#include <mach/clkdev.h>
int clk_enable(struct clk *clk)
{
@@ -67,7 +37,6 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
struct icst525_vco vco;
-
vco = icst525_khz_to_vco(clk->params, rate / 1000);
return icst525_khz(clk->params, vco) * 1000;
}
@@ -76,56 +45,15 @@ EXPORT_SYMBOL(clk_round_rate);
int clk_set_rate(struct clk *clk, unsigned long rate)
{
int ret = -EIO;
+
if (clk->setvco) {
struct icst525_vco vco;
vco = icst525_khz_to_vco(clk->params, rate / 1000);
clk->rate = icst525_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 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 = 14745600,
-};
-
-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);
- return 0;
-}
-arch_initcall(clk_init);