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From: Markus Elfring <Markus.Elfring@web.de>
To: dri-devel@lists.freedesktop.org,
	"Andrzej Hajda" <a.hajda@samsung.com>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"David Airlie" <airlied@linux.ie>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Jernej Skrabec" <jernej.skrabec@siol.net>,
	"Jonas Karlman" <jonas@kwiboo.se>,
	"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
	"Matt Redfearn" <matt.redfearn@thinci.com>,
	"Neil Armstrong" <narmstrong@baylibre.com>,
	"Nickey Yang" <nickey.yang@rock-chips.com>,
	"Philippe Cornu" <philippe.cornu@st.com>,
	"Sam Ravnborg" <sam@ravnborg.org>,
	"Yannick Fertré" <yannick.fertre@st.com>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH] drm/bridge/synopsys: dsi: Use devm_platform_ioremap_resource() in __dw_mipi_dsi_probe()
Date: Sat, 21 Sep 2019 20:20:20 +0200	[thread overview]
Message-ID: <e0d7b7d7-3e89-8b3f-04ed-0b14806e66f7@web.de> (raw)

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 21 Sep 2019 20:04:08 +0200

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 675442bfc1bd..6ada149af9ef 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -981,7 +981,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 	struct device *dev = &pdev->dev;
 	struct reset_control *apb_rst;
 	struct dw_mipi_dsi *dsi;
-	struct resource *res;
 	int ret;

 	dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
@@ -997,11 +996,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 	}

 	if (!plat_data->base) {
-		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		if (!res)
-			return ERR_PTR(-ENODEV);
-
-		dsi->base = devm_ioremap_resource(dev, res);
+		dsi->base = devm_platform_ioremap_resource(pdev, 0);
 		if (IS_ERR(dsi->base))
 			return ERR_PTR(-ENODEV);

--
2.23.0


             reply	other threads:[~2019-09-21 18:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-21 18:20 Markus Elfring [this message]
     [not found] ` <CGME20190923090614epcas5p215731e8359c634f7ed76759f68622e4f@epcas5p2.samsung.com>
     [not found]   ` <59343c81-3dd8-023c-6440-d48c8d74e05e@st.com>
2019-09-25  8:09     ` [PATCH] drm/bridge/synopsys: dsi: Use devm_platform_ioremap_resource() in __dw_mipi_dsi_probe() Andrzej Hajda

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