target/linux/ramips/patches-3.8/0014-MIPS-ralink-add-CPU-interrupt-controller-to-of_irq_i.patch

   1 From d3d2b4200b5a42851365e903d101f8f0882eb9eb Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Thu, 31 Jan 2013 20:43:30 +0100
   4 Subject: [PATCH 14/14] MIPS: ralink: add CPU interrupt controller to
   5  of_irq_ids
   6
   7 Convert the ralink IRQ code to make use of the new MIPS IRQ controller OF
   8 mappings.
   9
  10 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  11 Signed-off-by: John Crispin <blogic@openwrt.org>
  12 Acked-by: David Daney <david.daney@cavium.com>
  13 Patchwork: http://patchwork.linux-mips.org/patch/4900/
  14 ---
  15  arch/mips/ralink/dts/rt3050.dtsi |   10 ++++++++++
  16  arch/mips/ralink/irq.c           |   10 +++++++---
  17  2 files changed, 17 insertions(+), 3 deletions(-)
  18
  19 --- a/arch/mips/ralink/dts/rt3050.dtsi
  20 +++ b/arch/mips/ralink/dts/rt3050.dtsi
  21 @@ -13,6 +13,13 @@
  22                 bootargs = "console=ttyS0,57600 init=/init";
  23         };
  24
  25 +       cpuintc: cpuintc@0 {
  26 +               #address-cells = <0>;
  27 +               #interrupt-cells = <1>;
  28 +               interrupt-controller;
  29 +               compatible = "mti,cpu-interrupt-controller";
  30 +       };
  31 +
  32         palmbus@10000000 {
  33                 compatible = "palmbus";
  34                 reg = <0x10000000 0x200000>;
  35 @@ -37,6 +44,9 @@
  36
  37                         interrupt-controller;
  38                         #interrupt-cells = <1>;
  39 +
  40 +                       interrupt-parent = <&cpuintc>;
  41 +                       interrupts = <2>;
  42                 };
  43
  44                 memc@300 {
  45 --- a/arch/mips/ralink/irq.c
  46 +++ b/arch/mips/ralink/irq.c
  47 @@ -128,8 +128,11 @@ static int __init intc_of_init(struct de
  48  {
  49         struct resource res;
  50         struct irq_domain *domain;
  51 +       int irq;
  52
  53 -       mips_cpu_irq_init();
  54 +       irq = irq_of_parse_and_map(node, 0);
  55 +       if (!irq)
  56 +               panic("Failed to get INTC IRQ");
  57
  58         if (of_address_to_resource(node, 0, &res))
  59                 panic("Failed to get intc memory range");
  60 @@ -156,8 +159,8 @@ static int __init intc_of_init(struct de
  61
  62         rt_intc_w32(INTC_INT_GLOBAL, INTC_REG_ENABLE);
  63
  64 -       irq_set_chained_handler(RALINK_CPU_IRQ_INTC, ralink_intc_irq_handler);
  65 -       irq_set_handler_data(RALINK_CPU_IRQ_INTC, domain);
  66 +       irq_set_chained_handler(irq, ralink_intc_irq_handler);
  67 +       irq_set_handler_data(irq, domain);
  68
  69         cp0_perfcount_irq = irq_create_mapping(domain, 9);
  70
  71 @@ -165,6 +168,7 @@ static int __init intc_of_init(struct de
  72  }
  73
  74  static struct of_device_id __initdata of_irq_ids[] = {
  75 +       { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init },
  76         { .compatible = "ralink,rt2880-intc", .data = intc_of_init },
  77         {},
  78  };