netdev - [PATCH] can: flexcan: use devm_platform_ioremap

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Message-ID: <20190929082854.11952-1-qiangqing.zhang@nxp.com>
Date:   Sun, 29 Sep 2019 08:32:09 +0000
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     "mkl@...gutronix.de" <mkl@...gutronix.de>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>
CC:     "wg@...ndegger.com" <wg@...ndegger.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "sean@...nix.com" <sean@...nix.com>,
        dl-linux-imx <linux-imx@....com>,
        Joakim Zhang <qiangqing.zhang@....com>
Subject: [PATCH] can: flexcan: use devm_platform_ioremap_resource() to
 simplify code

Use the new helper devm_platform_ioremap_resource() which wraps the
platform_get_resource() and devm_ioremap_resource() together to simplify
the code.

Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 drivers/net/can/flexcan.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index b3edaf6a5a61..3cfa6037f03c 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1507,7 +1507,6 @@ static int flexcan_probe(struct platform_device *pdev)
 	struct net_device *dev;
 	struct flexcan_priv *priv;
 	struct regulator *reg_xceiver;
-	struct resource *mem;
 	struct clk *clk_ipg = NULL, *clk_per = NULL;
 	struct flexcan_regs __iomem *regs;
 	int err, irq;
@@ -1538,12 +1537,11 @@ static int flexcan_probe(struct platform_device *pdev)
 		clock_freq = clk_get_rate(clk_per);
 	}
 
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irq = platform_get_irq(pdev, 0);
 	if (irq <= 0)
 		return -ENODEV;
 
-	regs = devm_ioremap_resource(&pdev->dev, mem);
+	regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.17.1