linux-kernel - [PATCH] media: qcom/camss: Use devm_platform_ioremap_resource

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Date:   Fri, 30 Apr 2021 14:18:33 +0800
From:   dingsenjie@....com
To:     robert.foss@...aro.org, todor.too@...il.com, agross@...nel.org,
        bjorn.andersson@...aro.org, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dingsenjie <dingsenjie@...ong.com>
Subject: [PATCH] media: qcom/camss: Use devm_platform_ioremap_resource_byname

From: dingsenjie <dingsenjie@...ong.com>

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately.

Signed-off-by: dingsenjie <dingsenjie@...ong.com>
---
 drivers/media/platform/qcom/camss/camss-csid.c   | 3 +--
 drivers/media/platform/qcom/camss/camss-csiphy.c | 6 ++----
 drivers/media/platform/qcom/camss/camss-ispif.c  | 6 ++----
 drivers/media/platform/qcom/camss/camss-vfe.c    | 3 +--
 4 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index be3fe76..b62f6ae 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -1111,8 +1111,7 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 
 	/* Memory */
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
-	csid->base = devm_ioremap_resource(dev, r);
+	csid->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]);
 	if (IS_ERR(csid->base)) {
 		dev_err(dev, "could not map memory\n");
 		return PTR_ERR(csid->base);
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 509c9a5..c46f4bf 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -563,15 +563,13 @@ int msm_csiphy_subdev_init(struct camss *camss,
 
 	/* Memory */
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
-	csiphy->base = devm_ioremap_resource(dev, r);
+	csiphy->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]);
 	if (IS_ERR(csiphy->base)) {
 		dev_err(dev, "could not map memory\n");
 		return PTR_ERR(csiphy->base);
 	}
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[1]);
-	csiphy->base_clk_mux = devm_ioremap_resource(dev, r);
+	csiphy->base_clk_mux = devm_platform_ioremap_resource_byname(pdev, res->reg[1]);
 	if (IS_ERR(csiphy->base_clk_mux)) {
 		dev_err(dev, "could not map memory\n");
 		return PTR_ERR(csiphy->base_clk_mux);
diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c
index adeb928..de624fe 100644
--- a/drivers/media/platform/qcom/camss/camss-ispif.c
+++ b/drivers/media/platform/qcom/camss/camss-ispif.c
@@ -1131,15 +1131,13 @@ int msm_ispif_subdev_init(struct ispif_device *ispif,
 
 	/* Memory */
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
-	ispif->base = devm_ioremap_resource(dev, r);
+	ispif->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]);
 	if (IS_ERR(ispif->base)) {
 		dev_err(dev, "could not map memory\n");
 		return PTR_ERR(ispif->base);
 	}
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[1]);
-	ispif->base_clk_mux = devm_ioremap_resource(dev, r);
+	ispif->base_clk_mux = devm_platform_ioremap_resource_byname(pdev, res->reg[1]);
 	if (IS_ERR(ispif->base_clk_mux)) {
 		dev_err(dev, "could not map memory\n");
 		return PTR_ERR(ispif->base_clk_mux);
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index fae2b51..54986cf 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -2008,8 +2008,7 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
 
 	/* Memory */
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res->reg[0]);
-	vfe->base = devm_ioremap_resource(dev, r);
+	vfe->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]);
 	if (IS_ERR(vfe->base)) {
 		dev_err(dev, "could not map memory\n");
 		return PTR_ERR(vfe->base);
-- 
1.9.1