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From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: <thierry.reding@gmail.com>, <airlied@linux.ie>, <daniel@ffwll.ch>
Cc: <dri-devel@lists.freedesktop.org>, <sam@ravnborg.org>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH] drm/panel: simple: Fix panel_simple_dsi_probe
Date: Tue, 26 Feb 2019 10:11:53 +0200	[thread overview]
Message-ID: <20190226081153.31334-1-peter.ujfalusi@ti.com> (raw)

In case mipi_dsi_attach() fails remove the registered panel to avoid added
panel without corresponding device.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 0337583ffa49..90b4e75381e2 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3072,7 +3072,14 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
 	dsi->format = desc->format;
 	dsi->lanes = desc->lanes;
 
-	return mipi_dsi_attach(dsi);
+	err = mipi_dsi_attach(dsi);
+	if (err) {
+		struct panel_simple *panel = dev_get_drvdata(&dsi->dev);
+
+		drm_panel_remove(&panel->base);
+	}
+
+	return err;
 }
 
 static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi)
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki


             reply	other threads:[~2019-02-26  8:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-26  8:11 Peter Ujfalusi [this message]
2019-04-23 11:57 ` Thierry Reding

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