scsi: ufs: ufs-exynos: Use devm_platform_ioremap_resource_byname()

Use devm_platform_ioremap_resource_byname() to simplify the code.

Link: https://lore.kernel.org/r/20200916084017.14086-1-huobean@gmail.com
Acked-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index ed43544..5e6b95d 100644 (file)
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -940,7 +940,6 @@ static int exynos_ufs_init(struct ufs_hba *hba)
        struct device *dev = hba->dev;
        struct platform_device *pdev = to_platform_device(dev);
        struct exynos_ufs *ufs;
-       struct resource *res;
        int ret;
 
        ufs = devm_kzalloc(dev, sizeof(*ufs), GFP_KERNEL);
@@ -948,24 +947,21 @@ static int exynos_ufs_init(struct ufs_hba *hba)
                return -ENOMEM;
 
        /* exynos-specific hci */
-       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vs_hci");
-       ufs->reg_hci = devm_ioremap_resource(dev, res);
+       ufs->reg_hci = devm_platform_ioremap_resource_byname(pdev, "vs_hci");
        if (IS_ERR(ufs->reg_hci)) {
                dev_err(dev, "cannot ioremap for hci vendor register\n");
                return PTR_ERR(ufs->reg_hci);
        }
 
        /* unipro */
-       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "unipro");
-       ufs->reg_unipro = devm_ioremap_resource(dev, res);
+       ufs->reg_unipro = devm_platform_ioremap_resource_byname(pdev, "unipro");
        if (IS_ERR(ufs->reg_unipro)) {
                dev_err(dev, "cannot ioremap for unipro register\n");
                return PTR_ERR(ufs->reg_unipro);
        }
 
        /* ufs protector */
-       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ufsp");
-       ufs->reg_ufsp = devm_ioremap_resource(dev, res);
+       ufs->reg_ufsp = devm_platform_ioremap_resource_byname(pdev, "ufsp");
        if (IS_ERR(ufs->reg_ufsp)) {
                dev_err(dev, "cannot ioremap for ufs protector register\n");
                return PTR_ERR(ufs->reg_ufsp);