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freifunkist-firmware/target/linux/ramips/patches-3.8/0101-MIPS-ralink-add-PCI-IR...

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From 16d9eaf22f30ed0b0deddfe8e11426889ccdb556 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
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 <blogic@openwrt.org>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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);