can: ctucanfd: ctucan_platform_probe(): use devm_platform_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to Use devm_platform_ioremap_resource(), as this is exactly what
this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Acked-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Link: https://lore.kernel.org/all/20230216090610.130860-1-yang.lee@linux.alibaba.comSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/ctucanfd/ctucanfd_platform.c

@@ -47,7 +47,6 @@ static void ctucan_platform_set_drvdata(struct device *dev,
  */
 static int ctucan_platform_probe(struct platform_device *pdev)
 {
-	struct resource *res; /* IO mem resources */
 	struct device	*dev = &pdev->dev;
 	void __iomem *addr;
 	int ret;
@@ -55,8 +54,7 @@ static int ctucan_platform_probe(struct platform_device *pdev)
 	int irq;
 
 	/* Get the virtual base address for the device */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	addr = devm_ioremap_resource(dev, res);
+	addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(addr)) {
 		ret = PTR_ERR(addr);
 		goto err;