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From:   Andrzej Hajda <a.hajda@samsung.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Andrzej Hajda <a.hajda@samsung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        andy.shevchenko@gmail.com, Mark Brown <broonie@kernel.org>,
        Russell King - ARM Linux <linux@armlinux.org.uk>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel@lists.freedesktop.org (open list:DRM DRIVERS)
Subject: [RESEND PATCH v5 5/5] drm/bridge: lvds-codec: simplify error
 handling code
Date:   Wed, 24 Jun 2020 13:41:27 +0200
Message-Id: <20200624114127.3016-6-a.hajda@samsung.com>
In-Reply-To: <20200624114127.3016-1-a.hajda@samsung.com>
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References: <20200624114127.3016-1-a.hajda@samsung.com>
        <CGME20200624114138eucas1p262505da3ad1067720080d20209ff32de@eucas1p2.samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
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Using probe_err code has following advantages:
- shorter code,
- recorded defer probe reason for debugging,
- uniform error code logging.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
 drivers/gpu/drm/bridge/lvds-codec.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/bridge/lvds-codec.c b/drivers/gpu/drm/bridge/lvds-codec.c
index 24fb1befdfa2..c76fa0239e39 100644
--- a/drivers/gpu/drm/bridge/lvds-codec.c
+++ b/drivers/gpu/drm/bridge/lvds-codec.c
@@ -71,13 +71,8 @@ static int lvds_codec_probe(struct platform_device *pdev)
 	lvds_codec->connector_type = (uintptr_t)of_device_get_match_data(dev);
 	lvds_codec->powerdown_gpio = devm_gpiod_get_optional(dev, "powerdown",
 							     GPIOD_OUT_HIGH);
-	if (IS_ERR(lvds_codec->powerdown_gpio)) {
-		int err = PTR_ERR(lvds_codec->powerdown_gpio);
-
-		if (err != -EPROBE_DEFER)
-			dev_err(dev, "powerdown GPIO failure: %d\n", err);
-		return err;
-	}
+	if (IS_ERR(lvds_codec->powerdown_gpio))
+		return probe_err(dev, lvds_codec->powerdown_gpio, "powerdown GPIO failure\n");
 
 	/* Locate the panel DT node. */
 	panel_node = of_graph_get_remote_node(dev->of_node, 1, 0);
-- 
2.17.1