diff options
| -rw-r--r-- | arch/arm/mach-s5pv310/cpu.c | 9 | 
1 files changed, 9 insertions, 0 deletions
| diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c index 82ce4aa6d61a..3d0c1cb68d9e 100644 --- a/arch/arm/mach-s5pv310/cpu.c +++ b/arch/arm/mach-s5pv310/cpu.c @@ -127,6 +127,15 @@ void __init s5pv310_init_irq(void)  	gic_cpu_init(0, S5P_VA_GIC_CPU);  	for (irq = 0; irq < MAX_COMBINER_NR; irq++) { + +		/* +		 * From SPI(0) to SPI(39) and SPI(51), SPI(53) are +		 * connected to the interrupt combiner. These irqs +		 * should be initialized to support cascade interrupt. +		 */ +		if ((irq >= 40) && !(irq == 51) && !(irq == 53)) +			continue; +  		combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),  				COMBINER_IRQ(irq, 0));  		combiner_cascade_irq(irq, IRQ_SPI(irq)); | 
