linux-kernel - [PATCH] media: sti: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 1 Sep 2021 13:56:23 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Fabien Dessenne <fabien.dessenne@...s.st.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Jean-Christophe Trotin <jean-christophe.trotin@...s.st.com>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: sti: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 3 +--
 drivers/media/platform/sti/hva/hva-hw.c       | 4 +---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index 6413cd279125..7d467f2ba072 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -1315,8 +1315,7 @@ static int bdisp_probe(struct platform_device *pdev)
 	mutex_init(&bdisp->lock);
 
 	/* get resources */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	bdisp->regs = devm_ioremap_resource(dev, res);
+	bdisp->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(bdisp->regs)) {
 		ret = PTR_ERR(bdisp->regs);
 		goto err_wq;
diff --git a/drivers/media/platform/sti/hva/hva-hw.c b/drivers/media/platform/sti/hva/hva-hw.c
index 30fb1aa4a351..15e8f83b1b56 100644
--- a/drivers/media/platform/sti/hva/hva-hw.c
+++ b/drivers/media/platform/sti/hva/hva-hw.c
@@ -298,15 +298,13 @@ static unsigned long int hva_hw_get_ip_version(struct hva_dev *hva)
 int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *regs;
 	struct resource *esram;
 	int ret;
 
 	WARN_ON(!hva);
 
 	/* get memory for registers */
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hva->regs = devm_ioremap_resource(dev, regs);
+	hva->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hva->regs)) {
 		dev_err(dev, "%s     failed to get regs\n", HVA_PREFIX);
 		return PTR_ERR(hva->regs);
-- 
2.25.1