linux-kernel - [PATCH] drm/panel: otm8009a: Drop unnessary backlight_device

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Date:   Thu, 18 Jun 2020 13:46:50 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Philippe CORNU <philippe.cornu@...com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH] drm/panel: otm8009a: Drop unnessary backlight_device_unregister()

It's not necessary to unregister backlight device which
registered with devm_backlight_device_register().

Fixes: 12a6cbd4f3f1 ("drm/panel: otm8009a: Use new backlight API")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/gpu/drm/panel/panel-orisetech-otm8009a.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
index 895ee3d1371e..d956522f32ee 100644
--- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
+++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
@@ -479,7 +479,6 @@ static int otm8009a_probe(struct mipi_dsi_device *dsi)
 	if (ret < 0) {
 		dev_err(dev, "mipi_dsi_attach failed. Is host ready?\n");
 		drm_panel_remove(&ctx->panel);
-		backlight_device_unregister(ctx->bl_dev);
 		return ret;
 	}