There are no errors that can be reported by this function,
so drop the return code.
Fix the only bridge driver that checked the return result.
Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
Cc: Sean Paul <sean@xxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 3 +--
drivers/gpu/drm/drm_panel.c | 6 +-----
include/drm/drm_panel.h | 2 +-
3 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index f2f7f69d6cc3..22885dceaa17 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1780,8 +1780,7 @@ void analogix_dp_unbind(struct analogix_dp_device *dp)
if (dp->plat_data->panel) {
if (drm_panel_unprepare(dp->plat_data->panel))
DRM_ERROR("failed to turnoff the panel\n");
- if (drm_panel_detach(dp->plat_data->panel))
- DRM_ERROR("failed to detach the panel\n");
+ drm_panel_detach(dp->plat_data->panel);
}
drm_dp_aux_unregister(&dp->aux);
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 9946b8d9bacc..da19d5b4a2f4 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -219,15 +219,11 @@ EXPORT_SYMBOL(drm_panel_attach);
*
* This function should not be called by the panel device itself. It
* is only for the drm device that called drm_panel_attach().
- *
- * Return: 0 on success or a negative error code on failure.
*/
-int drm_panel_detach(struct drm_panel *panel)
+void drm_panel_detach(struct drm_panel *panel)
{
panel->connector = NULL;
panel->drm = NULL;
-
- return 0;
}
EXPORT_SYMBOL(drm_panel_detach);
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 5e62deea49ba..624bd15ecfab 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -153,7 +153,7 @@ int drm_panel_add(struct drm_panel *panel);
void drm_panel_remove(struct drm_panel *panel);
int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
-int drm_panel_detach(struct drm_panel *panel);
+void drm_panel_detach(struct drm_panel *panel);
int drm_panel_prepare(struct drm_panel *panel);
int drm_panel_unprepare(struct drm_panel *panel);
--
2.20.1
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