diff options
Diffstat (limited to 'arch/arm/mach-integrator/clock.c')
-rw-r--r-- | arch/arm/mach-integrator/clock.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/arch/arm/mach-integrator/clock.c b/arch/arm/mach-integrator/clock.c index 73c360685ca..95a1e263f7f 100644 --- a/arch/arm/mach-integrator/clock.c +++ b/arch/arm/mach-integrator/clock.c @@ -14,28 +14,29 @@ #include <linux/errno.h> #include <linux/err.h> #include <linux/string.h> +#include <linux/clk.h> +#include <linux/mutex.h> #include <asm/semaphore.h> -#include <asm/hardware/clock.h> #include <asm/hardware/icst525.h> #include "clock.h" static LIST_HEAD(clocks); -static DECLARE_MUTEX(clocks_sem); +static DEFINE_MUTEX(clocks_mutex); 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; } @@ -58,17 +59,6 @@ void clk_disable(struct clk *clk) } EXPORT_SYMBOL(clk_disable); -int clk_use(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_use); - -void clk_unuse(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_unuse); - unsigned long clk_get_rate(struct clk *clk) { return clk->rate; @@ -118,18 +108,18 @@ static struct clk uart_clk = { 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); |