diff options
author | Meghana Madhyastha <meghana.madhyastha@gmail.com> | 2018-01-24 19:40:51 +0300 |
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committer | Sean Paul <seanpaul@chromium.org> | 2018-02-20 19:07:22 +0300 |
commit | c69f94570d7ab4c8cbc5ba14729cc73a7dbdbfec (patch) | |
tree | 30e48a526fb8d7c68da4ee9e4a488ff680e6401b /drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | |
parent | f4ccc2b5767c3246826f40fdf166112aa376af8c (diff) | |
download | linux-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.c | 28 |
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); } |