target/linux/layerscape/patches-4.4/7180-staging-fsl-mc-implement-uevent-callback-and-set-the.patch

   1 From 721966c3990bc4596c6270afc1ea68c756b72f0d Mon Sep 17 00:00:00 2001
   2 From: Stuart Yoder <stuart.yoder@nxp.com>
   3 Date: Wed, 22 Jun 2016 16:40:43 -0500
   4 Subject: [PATCH 180/226] staging: fsl-mc: implement uevent callback and set
   5  the modalias
   6
   7 Replace placeholder code in the uevent callback to properly
   8 set the MODALIAS env variable.
   9
  10 Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
  11 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  12 ---
  13  drivers/staging/fsl-mc/bus/mc-bus.c |    8 +++++++-
  14  1 file changed, 7 insertions(+), 1 deletion(-)
  15
  16 --- a/drivers/staging/fsl-mc/bus/mc-bus.c
  17 +++ b/drivers/staging/fsl-mc/bus/mc-bus.c
  18 @@ -78,7 +78,13 @@ out:
  19   */
  20  static int fsl_mc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
  21  {
  22 -       pr_debug("%s invoked\n", __func__);
  23 +       struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
  24 +
  25 +       if (add_uevent_var(env, "MODALIAS=fsl-mc:v%08Xd%s",
  26 +                          mc_dev->obj_desc.vendor,
  27 +                          mc_dev->obj_desc.type))
  28 +               return -ENOMEM;
  29 +
  30         return 0;
  31  }
  32