linux-kernel - [PATCH] drm/tegra: dc: Use devm_platform_ioremap

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Message-Id: <20200416144240.20184-1-tangbin@cmss.chinamobile.com>
Date:   Thu, 16 Apr 2020 22:42:40 +0800
From:   Tang Bin <tangbin@...s.chinamobile.com>
To:     thierry.reding@...il.com, airlied@...ux.ie, daniel@...ll.ch,
        jonathanh@...dia.com
Cc:     dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Tang Bin <tangbin@...s.chinamobile.com>
Subject: [PATCH] drm/tegra: dc: Use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() instead of 
platform_get_resource()+ devm_ioremap_resource().

Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
---
 drivers/gpu/drm/tegra/dc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index d26fb16d6..72c952b1a 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -2503,7 +2503,6 @@ static int tegra_dc_couple(struct tegra_dc *dc)
 
 static int tegra_dc_probe(struct platform_device *pdev)
 {
-	struct resource *regs;
 	struct tegra_dc *dc;
 	int err;
 
@@ -2560,8 +2559,7 @@ static int tegra_dc_probe(struct platform_device *pdev)
 		tegra_powergate_power_off(dc->powergate);
 	}
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dc->regs = devm_ioremap_resource(&pdev->dev, regs);
+	dc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(dc->regs))
 		return PTR_ERR(dc->regs);
 
-- 
2.20.1.windows.1