recipes/linux/linux-omap-pm-2.6.29/isp/v4l/0002-V4L-Int-if-v4l2_int_device_try_attach_all-requires.patch

   1 From 5b007183d51543624bc9f582966f245a64157b57 Mon Sep 17 00:00:00 2001
   2 From: Sakari Ailus <sakari.ailus@nokia.com>
   3 Date: Fri, 31 Oct 2008 11:51:30 +0200
   4 Subject: [PATCH] V4L: Int if: v4l2_int_device_try_attach_all requires mutex
   5
   6 Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
   7 ---
   8  drivers/media/video/v4l2-int-device.c |   12 ++++++++++--
   9  1 files changed, 10 insertions(+), 2 deletions(-)
  10
  11 diff --git a/drivers/media/video/v4l2-int-device.c b/drivers/media/video/v4l2-int-device.c
  12 index a935bae..eb8dc84 100644
  13 --- a/drivers/media/video/v4l2-int-device.c
  14 +++ b/drivers/media/video/v4l2-int-device.c
  15 @@ -32,7 +32,7 @@
  16  static DEFINE_MUTEX(mutex);
  17  static LIST_HEAD(int_list);
  18
  19 -void v4l2_int_device_try_attach_all(void)
  20 +static void __v4l2_int_device_try_attach_all(void)
  21  {
  22         struct v4l2_int_device *m, *s;
  23
  24 @@ -66,6 +66,14 @@ void v4l2_int_device_try_attach_all(void)
  25                 }
  26         }
  27  }
  28 +
  29 +void v4l2_int_device_try_attach_all(void)
  30 +{
  31 +       mutex_lock(&mutex);
  32 +       __v4l2_int_device_try_attach_all();
  33 +       mutex_unlock(&mutex);
  34 +}
  35 +
  36  EXPORT_SYMBOL_GPL(v4l2_int_device_try_attach_all);
  37
  38  static int ioctl_sort_cmp(const void *a, const void *b)
  39 @@ -89,7 +97,7 @@ int v4l2_int_device_register(struct v4l2_int_device *d)
  40                      &ioctl_sort_cmp, NULL);
  41         mutex_lock(&mutex);
  42         list_add(&d->head, &int_list);
  43 -       v4l2_int_device_try_attach_all();
  44 +       __v4l2_int_device_try_attach_all();
  45         mutex_unlock(&mutex);
  46
  47         return 0;
  48 --
  49 1.5.6.5
  50