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drm/panel: remove return value of function drm_panel_add

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The function "int drm_panel_add(struct drm_panel *panel)"
always returns 0, this return value is meaningless.
Also, there is no need to check return value which calls
"drm_panel_add and", error branch code will never run.

Signed-off-by: Bernard Zhao <bernard@vivo.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200801120216.8488-1-bernard@vivo.com
This commit is contained in:
Bernard Zhao
2020-08-01 20:02:13 +08:00
committed by Sam Ravnborg
parent 1a3fb59085
commit c3ee8c65f6
44 changed files with 82 additions and 111 deletions
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6
drivers/gpu/drm/drm_panel.c
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@@ -70,16 +70,12 @@ EXPORT_SYMBOL(drm_panel_init);
*
* Add a panel to the global registry so that it can be looked up by display
* drivers.
*
* Return: 0 on success or a negative error code on failure.
*/
int drm_panel_add(struct drm_panel *panel)
void drm_panel_add(struct drm_panel *panel)
{
mutex_lock(&panel_lock);
list_add_tail(&panel->list, &panel_list);
mutex_unlock(&panel_lock);
return 0;
}
EXPORT_SYMBOL(drm_panel_add);