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| author | Shawn Guo <shawn.guo@linaro.org> | 2011-10-06 15:19:14 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-10-17 09:02:44 +0100 |
| commit | 0af8aa0069e43f90d59666510342c05e97d8c4b8 (patch) | |
| tree | 9d5e75ed9c91f04d5a547bd884ca9c7f457fc1e9 /arch | |
| parent | 0b5a1b95dcdfa451125132d5ce3f79a27ffb0950 (diff) | |
| download | linux-0af8aa0069e43f90d59666510342c05e97d8c4b8.tar.gz linux-0af8aa0069e43f90d59666510342c05e97d8c4b8.tar.bz2 linux-0af8aa0069e43f90d59666510342c05e97d8c4b8.zip | |
ARM: 7124/1: smp: Add a localtimer handler callable from C code
In order to be able to handle localtimer directly from C code instead of
assembly code, introduce handle_local_timer(), which is modeled after
handle_IRQ().
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/localtimer.h | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/smp.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h index 080d74f8128d..3306f281333c 100644 --- a/arch/arm/include/asm/localtimer.h +++ b/arch/arm/include/asm/localtimer.h @@ -22,6 +22,10 @@ void percpu_timer_setup(void); */ asmlinkage void do_local_timer(struct pt_regs *); +/* + * Called from C code + */ +void handle_local_timer(struct pt_regs *); #ifdef CONFIG_LOCAL_TIMERS diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 2e49f1883fe9..0949007d09a8 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -480,6 +480,11 @@ static void ipi_timer(void) #ifdef CONFIG_LOCAL_TIMERS asmlinkage void __exception_irq_entry do_local_timer(struct pt_regs *regs) { + handle_local_timer(regs); +} + +void handle_local_timer(struct pt_regs *regs) +{ struct pt_regs *old_regs = set_irq_regs(regs); int cpu = smp_processor_id(); |