diff options
Diffstat (limited to 'arch/arm/plat-omap/clock.c')
| -rw-r--r-- | arch/arm/plat-omap/clock.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 84fd65656fcf..7ebc5a29db8d 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/string.h> #include <linux/clk.h> +#include <linux/mutex.h> #include <asm/io.h> #include <asm/semaphore.h> @@ -27,7 +28,7 @@ #include <asm/arch/clock.h> LIST_HEAD(clocks); -static DECLARE_MUTEX(clocks_sem); +static DEFINE_MUTEX(clocks_mutex); DEFINE_SPINLOCK(clockfw_lock); static struct clk_functions *arch_clock; @@ -40,14 +41,14 @@ 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; } @@ -249,11 +250,11 @@ void propagate_rate(struct clk * tclk) int clk_register(struct clk *clk) { - down(&clocks_sem); + mutex_lock(&clocks_mutex); list_add(&clk->node, &clocks); if (clk->init) clk->init(clk); - up(&clocks_sem); + mutex_unlock(&clocks_mutex); return 0; } @@ -261,9 +262,9 @@ 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); |