openwrt/target/linux/layerscape/patches-5.4/802-can-0007-can-flexcan-use-devm_platform_ioremap_resource-to-si.patch

From 9198f241a7205bd85b89bda08fce5c2446a12e23 Mon Sep 17 00:00:00 2001
From: Joakim Zhang <[email protected]>
Date: Sun, 29 Sep 2019 08:32:09 +0000
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 <[email protected]>
Reviewed-by: Sean Nyekjaer <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
---
 drivers/net/can/flexcan.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1573,7 +1573,6 @@ static int flexcan_probe(struct platform
 	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;
@@ -1608,12 +1607,11 @@ static int flexcan_probe(struct platform
 		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);