target/linux/brcm2708/patches-4.4/0438-drm-mipi-dsi-Unregister-bus-at-exit.patch

   1 From 229ed4a50a90820a5288c7f839db1f089bed71c4 Mon Sep 17 00:00:00 2001
   2 From: Takashi Iwai <tiwai@suse.de>
   3 Date: Tue, 2 Aug 2016 14:16:42 +0200
   4 Subject: [PATCH] drm/mipi-dsi: Unregister bus at exit
   5
   6 This is a preliminary patch for building drm-mipi-dsi as a module.
   7 Add the module exit callback to unregister the bus properly.
   8
   9 Suggested-by: Thierry Reding <treding@nvidia.com>
  10 Signed-off-by: Takashi Iwai <tiwai@suse.de>
  11 Signed-off-by: Eric Anholt <eric@anholt.net>
  12 ---
  13  drivers/gpu/drm/drm_mipi_dsi.c | 6 ++++++
  14  1 file changed, 6 insertions(+)
  15
  16 --- a/drivers/gpu/drm/drm_mipi_dsi.c
  17 +++ b/drivers/gpu/drm/drm_mipi_dsi.c
  18 @@ -928,6 +928,12 @@ static int __init mipi_dsi_bus_init(void
  19  }
  20  postcore_initcall(mipi_dsi_bus_init);
  21
  22 +static void __exit mipi_dsi_bus_exit(void)
  23 +{
  24 +       bus_unregister(&mipi_dsi_bus_type);
  25 +}
  26 +module_exit(mipi_dsi_bus_exit);
  27 +
  28  MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>");
  29  MODULE_DESCRIPTION("MIPI DSI Bus");
  30  MODULE_LICENSE("GPL and additional rights");