target/linux/s3c24xx/patches-2.6.26/0205-From-cede5c6c9b06ecbb0f7f2df7b7070092b87ddaf8-Mon-Se.patch

   1 From 589ebad15051f452feb95719db6b219dc221af40 Mon Sep 17 00:00:00 2001
   2 From: Holger Freyther <zecke@openmoko.org>
   3 Date: Fri, 25 Jul 2008 23:06:18 +0100
   4 Subject: [PATCH] From cede5c6c9b06ecbb0f7f2df7b7070092b87ddaf8 Mon Sep 17 00:00:00 2001
   5  Subject: [PATCH] [pcf50633] Avoid ooops on start with inserted usb cable
   6      The pcf50633_global might not be initialized when we get the first
   7      usb interrupt. We would oops inside the dev_err because we made up
   8      a struct device.
   9
  10 Signed-Off-By: Holger Freyther <zecke@openmoko.org>
  11 ---
  12  arch/arm/mach-s3c2440/mach-gta02.c |    3 +++
  13  drivers/i2c/chips/pcf50633.c       |    4 +---
  14  2 files changed, 4 insertions(+), 3 deletions(-)
  15
  16 diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
  17 index 7118332..b3d3797 100644
  18 --- a/arch/arm/mach-s3c2440/mach-gta02.c
  19 +++ b/arch/arm/mach-s3c2440/mach-gta02.c
  20 @@ -883,6 +883,9 @@ static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
  21
  22  static void gta02_udc_vbus_draw(unsigned int ma)
  23  {
  24 +        if (!pcf50633_global)
  25 +               return;
  26 +
  27         pcf50633_notify_usb_current_limit_change(pcf50633_global, ma);
  28  }
  29
  30 diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
  31 index ead4273..76bb886 100644
  32 --- a/drivers/i2c/chips/pcf50633.c
  33 +++ b/drivers/i2c/chips/pcf50633.c
  34 @@ -690,9 +690,7 @@ int pcf50633_notify_usb_current_limit_change(struct pcf50633_data *pcf,
  35          * have to bail with error since we can't even schedule the work
  36          */
  37         if (!pcf) {
  38 -               dev_err(&pcf->client.dev,
  39 -                       "pcf50633_notify_usb_current_limit_change "
  40 -                       "called with NULL pcf\n");
  41 +               printk(KERN_ERR "pcf50633_notify_usb_current_limit called with NULL pcf\n");
  42                 return -EBUSY;
  43         }
  44
  45 --
  46 1.5.6.3
  47