diff options
Diffstat (limited to 'arch/arm/mach-gemini/irq.c')
| -rw-r--r-- | arch/arm/mach-gemini/irq.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c index d929b3ff18fd..37d52e372456 100644 --- a/arch/arm/mach-gemini/irq.c +++ b/arch/arm/mach-gemini/irq.c @@ -17,6 +17,7 @@ #include <linux/sched.h> #include <linux/cpu.h> +#include <asm/exception.h> #include <asm/irq.h> #include <asm/mach/irq.h> #include <asm/system_misc.h> @@ -65,6 +66,18 @@ static struct irq_chip gemini_irq_chip = { .irq_unmask = gemini_unmask_irq, }; + +asmlinkage void __exception_irq_entry gemini_handle_irq(struct pt_regs *regs) +{ + int irq; + unsigned status; + + while ((status = __raw_readl(IRQ_STATUS(IO_ADDRESS(GEMINI_INTERRUPT_BASE))))) { + irq = ffs(status) - 1; + handle_domain_irq(NULL, irq, regs); + } +} + static struct resource irq_resource = { .name = "irq_handler", .start = GEMINI_INTERRUPT_BASE, @@ -102,4 +115,6 @@ void __init gemini_init_irq(void) /* Set interrupt mode */ __raw_writel(mode, IRQ_TMODE(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); __raw_writel(level, IRQ_TLEVEL(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); + + set_handle_irq(gemini_handle_irq); } |