target/linux/ramips/patches-3.8/0017-MIPS-ralink-add-PCI-IRQ-handling.patch

   1 From 98ab228172e66e43766d9e2a0ddb73603c22dbd1 Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Wed, 10 Apr 2013 09:07:27 +0200
   4 Subject: [PATCH 17/79] MIPS: ralink: add PCI IRQ handling
   5
   6 The Ralink IRQ code was not handling the PCI IRQ yet. Add this functionaility
   7 to make PCI work on rt3883.
   8
   9 Signed-off-by: John Crispin <blogic@openwrt.org>
  10 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  11 Patchwork: http://patchwork.linux-mips.org/patch/5165/
  12 ---
  13  arch/mips/ralink/irq.c |    4 ++++
  14  1 file changed, 4 insertions(+)
  15
  16 diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c
  17 index 6d054c5..d9807d0 100644
  18 --- a/arch/mips/ralink/irq.c
  19 +++ b/arch/mips/ralink/irq.c
  20 @@ -31,6 +31,7 @@
  21  #define INTC_INT_GLOBAL                BIT(31)
  22
  23  #define RALINK_CPU_IRQ_INTC    (MIPS_CPU_IRQ_BASE + 2)
  24 +#define RALINK_CPU_IRQ_PCI     (MIPS_CPU_IRQ_BASE + 4)
  25  #define RALINK_CPU_IRQ_FE      (MIPS_CPU_IRQ_BASE + 5)
  26  #define RALINK_CPU_IRQ_WIFI    (MIPS_CPU_IRQ_BASE + 6)
  27  #define RALINK_CPU_IRQ_COUNTER (MIPS_CPU_IRQ_BASE + 7)
  28 @@ -104,6 +105,9 @@ asmlinkage void plat_irq_dispatch(void)
  29         else if (pending & STATUSF_IP6)
  30                 do_IRQ(RALINK_CPU_IRQ_WIFI);
  31
  32 +       else if (pending & STATUSF_IP4)
  33 +               do_IRQ(RALINK_CPU_IRQ_PCI);
  34 +
  35         else if (pending & STATUSF_IP2)
  36                 do_IRQ(RALINK_CPU_IRQ_INTC);
  37
  38 --
  39 1.7.10.4
  40