diff options
| author | Ben Dooks | 2008-10-21 15:06:37 +0200 |
|---|---|---|
| committer | Ben Dooks | 2008-12-15 22:46:07 +0100 |
| commit | c3391e36d697c997b6afeb045071e0be95219a3e (patch) | |
| tree | 8bd9c12dd364519347473277496da3f3f1a54c9c /arch/arm/plat-s3c24xx/include/plat/clock.h | |
| parent | [ARM] CPUFREQ: S3C24XX serial CPU frequency scaling support. (diff) | |
| download | kernel-qcow2-linux-c3391e36d697c997b6afeb045071e0be95219a3e.tar.gz kernel-qcow2-linux-c3391e36d697c997b6afeb045071e0be95219a3e.tar.xz kernel-qcow2-linux-c3391e36d697c997b6afeb045071e0be95219a3e.zip | |
[ARM] S3C24XX: Change clock locking to use spinlocks.
We cannot sleep if we have cpufreq pm enabled during some
of the clock operations, so change to use a spinlock to
protect the clock system.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c24xx/include/plat/clock.h')
| -rw-r--r-- | arch/arm/plat-s3c24xx/include/plat/clock.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/plat-s3c24xx/include/plat/clock.h b/arch/arm/plat-s3c24xx/include/plat/clock.h index 235b753cd877..88a00c35b685 100644 --- a/arch/arm/plat-s3c24xx/include/plat/clock.h +++ b/arch/arm/plat-s3c24xx/include/plat/clock.h @@ -10,6 +10,8 @@ * published by the Free Software Foundation. */ +#include <linux/spinlock.h> + struct clk { struct list_head list; struct module *owner; @@ -51,7 +53,7 @@ extern struct clk clk_xtal; * Please DO NOT use these outside of arch/arm/mach-s3c2410 */ -extern struct mutex clocks_mutex; +extern spinlock_t clocks_lock; extern int s3c2410_clkcon_enable(struct clk *clk, int enable); |