diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-10-21 14:06:37 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-10-21 14:12:14 +0100 |
| commit | 3d1443574a09591aaacb0100621c39d4978d5ef1 (patch) | |
| tree | 3167f63aae54131f71106ecd8ed4869216cae586 /arch/arm/plat-s3c24xx/include | |
| parent | 4614475aeec242c3e4c0c8f45d05faf285849878 (diff) | |
[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')
| -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 235b753cd87..88a00c35b68 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); |