Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/spi/spi-cavium-octeon.c b/drivers/spi/spi-cavium-octeon.c
index ee4703e..1a2de6c 100644
--- a/drivers/spi/spi-cavium-octeon.c
+++ b/drivers/spi/spi-cavium-octeon.c
@@ -18,7 +18,6 @@
 
 static int octeon_spi_probe(struct platform_device *pdev)
 {
-	struct resource *res_mem;
 	void __iomem *reg_base;
 	struct spi_master *master;
 	struct octeon_spi *p;
@@ -30,8 +29,7 @@
 	p = spi_master_get_devdata(master);
 	platform_set_drvdata(pdev, master);
 
-	res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	reg_base = devm_ioremap_resource(&pdev->dev, res_mem);
+	reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(reg_base)) {
 		err = PTR_ERR(reg_base);
 		goto fail;