Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <frank.li@xxxxxxxx> --- drivers/ata/sata_rcar.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 34790f15c1b8..63f8337c2a98 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -861,15 +861,11 @@ static int sata_rcar_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct ata_host *host; struct sata_rcar_priv *priv; - struct resource *mem; - int irq; - int ret = 0; + int irq, ret; irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; - if (!irq) - return -EINVAL; priv = devm_kzalloc(dev, sizeof(struct sata_rcar_priv), GFP_KERNEL); if (!priv) @@ -890,8 +886,7 @@ static int sata_rcar_probe(struct platform_device *pdev) host->private_data = priv; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->base = devm_ioremap_resource(dev, mem); + priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) { ret = PTR_ERR(priv->base); goto err_pm_put; -- 2.39.0