linux-kernel - [PATCH v2] scsi: ufs-exynos: use devm_platform_ioremap_resource

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Message-Id: <20200916084017.14086-1-huobean@gmail.com>
Date:   Wed, 16 Sep 2020 10:40:17 +0200
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] scsi: ufs-exynos: use devm_platform_ioremap_resource_byname()

From: Bean Huo <beanhuo@...ron.com>

Use devm_platform_ioremap_resource_byname() to simplify the code.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---

v1-v2: change the patch commit subject

---
 drivers/scsi/ufs/ufs-exynos.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 8f1b6f61a776..1eecbe550536 100644
--- 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);
-- 
2.17.1