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authorMeghana Madhyastha <meghana.madhyastha@gmail.com>2018-01-24 19:40:51 +0300
committerSean Paul <seanpaul@chromium.org>2018-02-20 19:07:22 +0300
commitc69f94570d7ab4c8cbc5ba14729cc73a7dbdbfec (patch)
tree30e48a526fb8d7c68da4ee9e4a488ff680e6401b /drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
parentf4ccc2b5767c3246826f40fdf166112aa376af8c (diff)
downloadlinux-c69f94570d7ab4c8cbc5ba14729cc73a7dbdbfec.tar.xz
drm/panel: Use of_find_backlight helper
Replace of_find_backlight_by_node and of the code around it with of_find_backlight helper to avoid repetition of code. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/140d01afb138d687680b2d1776a4c101c9fa9a0a.1516810725.git.meghana.madhyastha@gmail.com
Diffstat (limited to 'drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c')
-rw-r--r--drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
index 072c0fc794d6..6bf8730f1a21 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -318,8 +318,7 @@ MODULE_DEVICE_TABLE(of, sharp_of_match);
static int sharp_panel_add(struct sharp_panel *sharp)
{
- struct device_node *np;
- int err;
+ struct device *dev = &sharp->link1->dev;
sharp->mode = &default_mode;
@@ -327,30 +326,16 @@ static int sharp_panel_add(struct sharp_panel *sharp)
if (IS_ERR(sharp->supply))
return PTR_ERR(sharp->supply);
- np = of_parse_phandle(sharp->link1->dev.of_node, "backlight", 0);
- if (np) {
- sharp->backlight = of_find_backlight_by_node(np);
- of_node_put(np);
+ sharp->backlight = devm_of_find_backlight(dev);
- if (!sharp->backlight)
- return -EPROBE_DEFER;
- }
+ if (IS_ERR(sharp->backlight))
+ return PTR_ERR(sharp->backlight);
drm_panel_init(&sharp->base);
sharp->base.funcs = &sharp_panel_funcs;
sharp->base.dev = &sharp->link1->dev;
- err = drm_panel_add(&sharp->base);
- if (err < 0)
- goto put_backlight;
-
- return 0;
-
-put_backlight:
- if (sharp->backlight)
- put_device(&sharp->backlight->dev);
-
- return err;
+ return drm_panel_add(&sharp->base);
}
static void sharp_panel_del(struct sharp_panel *sharp)
@@ -358,9 +343,6 @@ static void sharp_panel_del(struct sharp_panel *sharp)
if (sharp->base.dev)
drm_panel_remove(&sharp->base);
- if (sharp->backlight)
- put_device(&sharp->backlight->dev);
-
if (sharp->link2)
put_device(&sharp->link2->dev);
}