target/linux/s3c24xx/patches-2.6.24/1222-add-ar6k-wake-interrupt.patch.patch

   1 From 0f565eebf6f9a52a66053348aa710e05732f934e Mon Sep 17 00:00:00 2001
   2 From: Matt <matt_hsu@openmoko.org>
   3 Date: Wed, 2 Jul 2008 23:02:14 +0100
   4 Subject: [PATCH] add-ar6k-wake-interrupt.patch
   5
   6 Signed-off-by: Matt Hsu <matt_hsu@openmoko.org>
   7
   8 - add an interrupt for ar6k wifi module
   9 ---
  10  arch/arm/mach-s3c2440/mach-gta02.c |   15 +++++++++++++++
  11  1 files changed, 15 insertions(+), 0 deletions(-)
  12
  13 diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
  14 index 686291b..7118332 100644
  15 --- a/arch/arm/mach-s3c2440/mach-gta02.c
  16 +++ b/arch/arm/mach-s3c2440/mach-gta02.c
  17 @@ -1498,6 +1498,12 @@ static irqreturn_t gta02_modem_irq(int irq, void *param)
  18         return IRQ_HANDLED;
  19  }
  20
  21 +static irqreturn_t ar6000_wow_irq(int irq, void *param)
  22 +{
  23 +       printk(KERN_DEBUG "ar6000_wow interrupt\n");
  24 +       return IRQ_HANDLED;
  25 +}
  26 +
  27  static void __init gta02_machine_init(void)
  28  {
  29         int rc;
  30 @@ -1601,6 +1607,15 @@ static void __init gta02_machine_init(void)
  31         if (rc < 0)
  32                 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
  33         enable_irq_wake(GTA02_IRQ_MODEM);
  34 +
  35 +       /* Make sure the wifi module can wake us up*/
  36 +       set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQT_RISING);
  37 +       rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
  38 +                       "ar6000", NULL);
  39 +
  40 +       if (rc < 0)
  41 +               printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
  42 +       enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
  43  }
  44
  45  MACHINE_START(NEO1973_GTA02, "GTA02")
  46 --
  47 1.5.6.5
  48