USB: fix SB600 USB subsystem hang bug

[linux-2.6-omap-h63xx.git] / arch / arm / mach-integrator / clock.c

diff --git a/arch/arm/mach-integrator/clock.c b/arch/arm/mach-integrator/clock.c
index 40684e01e865a77563f2cafe0c4ddc11b20586da..8d761fdd2ecdaf3b44ea2e0f926f581963780766 100644 (file)
--- a/arch/arm/mach-integrator/clock.c
+++ b/arch/arm/mach-integrator/clock.c
@@ -15,27 +15,27 @@
 #include <linux/err.h>
 #include <linux/string.h>
 #include <linux/clk.h>
+#include <linux/mutex.h>
 
-#include <asm/semaphore.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;
 }
@@ -107,18 +107,18 @@ 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);