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Commit 0af8aa00 authored by Shawn Guo's avatar Shawn Guo Committed by Russell King
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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: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 0b5a1b95

arch/arm/include/asm/localtimer.h

+4 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/kernel/smp.c

+5 −0
Original line number Diff line number Diff line
@@ -479,6 +479,11 @@ 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();