From 00431707be0cc1236ee08459367872b57da5be29 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Thu, 12 Jan 2006 18:42:23 +0000 Subject: [ARM] Convert some arm semaphores to mutexes The arm clock semaphores are strict mutexes, convert them to the new mutex implementation Signed-off-by: Arjan van de Ven Signed-off-by: Russell King --- arch/arm/mach-realview/clock.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'arch/arm/mach-realview/clock.c') diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c index ec3f7e798623..21325a4da9da 100644 --- a/arch/arm/mach-realview/clock.c +++ b/arch/arm/mach-realview/clock.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -21,20 +22,20 @@ #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; } @@ -109,18 +110,18 @@ static struct clk mmci_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); -- cgit v1.2.3