From 16d9eaf22f30ed0b0deddfe8e11426889ccdb556 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 10 Apr 2013 09:07:27 +0200 Subject: [PATCH 101/137] MIPS: ralink: add PCI IRQ handling The Ralink IRQ code was not handling the PCI IRQ yet. Add this functionaility to make PCI work on rt3883. Signed-off-by: John Crispin Signed-off-by: Gabor Juhos Patchwork: http://patchwork.linux-mips.org/patch/5165/ --- arch/mips/ralink/irq.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -31,6 +31,7 @@ #define INTC_INT_GLOBAL BIT(31) #define RALINK_CPU_IRQ_INTC (MIPS_CPU_IRQ_BASE + 2) +#define RALINK_CPU_IRQ_PCI (MIPS_CPU_IRQ_BASE + 4) #define RALINK_CPU_IRQ_FE (MIPS_CPU_IRQ_BASE + 5) #define RALINK_CPU_IRQ_WIFI (MIPS_CPU_IRQ_BASE + 6) #define RALINK_CPU_IRQ_COUNTER (MIPS_CPU_IRQ_BASE + 7) @@ -104,6 +105,9 @@ asmlinkage void plat_irq_dispatch(void) else if (pending & STATUSF_IP6) do_IRQ(RALINK_CPU_IRQ_WIFI); + else if (pending & STATUSF_IP4) + do_IRQ(RALINK_CPU_IRQ_PCI); + else if (pending & STATUSF_IP2) do_IRQ(RALINK_CPU_IRQ_INTC);