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authorLinus Torvalds2007-07-12 23:17:12 +0200
committerLinus Torvalds2007-07-12 23:17:12 +0200
commit4aabab2181f20560948c2045ce1faaa9ac1507a8 (patch)
tree6556e126687c9cbb4b4a35a8ad8c327df30ac256 /arch/arm/mach-pxa/clock.c
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmo... (diff)
parentMerge branches 'at91', 'davinci', 'imx', 'iop', 'ixp', 'ks8695', 'misc', 'pxa... (diff)
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Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (50 commits) [ARM] sa1100: remove boot time RTC initialisation [ARM] sa1100: stop doing our own rtc management over suspend [ARM] 4474/1: Do not check the PSR_F_BIT in valid_user_regs [ARM] 4473/2: Take the HWCAP definitions out of the elf.h file [ARM] pxa: move platform devices to separate header file [ARM] pxa: move device registration into CPU-specific file [ARM] pxa: remove boot time RTC initialisation [ARM] pxa: stop doing our own rtc management over suspend [ARM] 4451/1: pxa: make dma.c generic and remove cpu specific dma code [ARM] 4450/1: pxa: add pxa25x_init_irq() and pxa27x_init_irq() [ARM] 4440/1: PXA: enable the checking of ICIP2 for IRQs [ARM] 4438/1: PXA: remove #ifdef .. #endif from pxa_gpio_demux_handler() [ARM] 4437/1: PXA: move the GPIO IRQ initialization code to pxa_init_irq_gpio() [ARM] 4436/1: PXA: move low IRQ initialization code to pxa_init_irq_low() [ARM] 4435/1: PXA: remove PXA_INTERNAL_IRQS [ARM] 4434/1: PXA: remove PXA_IRQ_SKIP [ARM] pxa: Fix PXA27x suspend type validation, remove pxa_pm_prepare() [ARM] pxa: move pm_ops structure into CPU specific files [ARM] pxa: introduce cpu_is_pxaXXX macros [ARM] pxa: remove MMC register defines from pxa-regs.h ...
Diffstat (limited to 'arch/arm/mach-pxa/clock.c')
-rw-r--r--arch/arm/mach-pxa/clock.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index 8f7c90a0593b..34a31caa6f9d 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -12,7 +12,6 @@
#include <asm/arch/pxa-regs.h>
#include <asm/hardware.h>
-#include <asm/semaphore.h>
struct clk {
struct list_head node;
@@ -25,21 +24,21 @@ struct clk {
};
static LIST_HEAD(clocks);
-static DECLARE_MUTEX(clocks_sem);
+static DEFINE_MUTEX(clocks_mutex);
static DEFINE_SPINLOCK(clocks_lock);
struct clk *clk_get(struct device *dev, const char *id)
{
struct clk *p, *clk = ERR_PTR(-ENOENT);
- down(&clocks_sem);
+ 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;
}
}
- up(&clocks_sem);
+ mutex_unlock(&clocks_mutex);
return clk;
}
@@ -101,18 +100,18 @@ static struct clk clk_gpio27 = {
int clk_register(struct clk *clk)
{
- down(&clocks_sem);
+ mutex_lock(&clocks_mutex);
list_add(&clk->node, &clocks);
- up(&clocks_sem);
+ mutex_unlock(&clocks_mutex);
return 0;
}
EXPORT_SYMBOL(clk_register);
void clk_unregister(struct clk *clk)
{
- down(&clocks_sem);
+ mutex_lock(&clocks_mutex);
list_del(&clk->node);
- up(&clocks_sem);
+ mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clk_unregister);