[PATCH] soc_camera: convert to devm_ioremap_resource()

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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@xxxxxxxxx>
---
 drivers/media/platform/soc_camera/pxa_camera.c     |    6 +++---
 .../platform/soc_camera/sh_mobile_ceu_camera.c     |    8 +++-----
 drivers/media/platform/soc_camera/sh_mobile_csi2.c |    8 +++-----
 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/soc_camera/pxa_camera.c b/drivers/media/platform/soc_camera/pxa_camera.c
index 395e2e0..e94ed6c 100644
--- a/drivers/media/platform/soc_camera/pxa_camera.c
+++ b/drivers/media/platform/soc_camera/pxa_camera.c
@@ -1710,9 +1710,9 @@ static int pxa_camera_probe(struct platform_device *pdev)
 	/*
 	 * Request the regions.
 	 */
-	base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!base)
-		return -ENOMEM;
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
 	pcdev->irq = irq;
 	pcdev->base = base;
 
diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
index bb08a46..8cdee71 100644
--- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
+++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
@@ -2110,11 +2110,9 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
 	pcdev->max_width = pcdev->pdata->max_width ? : 2560;
 	pcdev->max_height = pcdev->pdata->max_height ? : 1920;
 
-	base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!base) {
-		dev_err(&pdev->dev, "Unable to ioremap CEU registers.\n");
-		return -ENXIO;
-	}
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
 
 	pcdev->irq = irq;
 	pcdev->base = base;
diff --git a/drivers/media/platform/soc_camera/sh_mobile_csi2.c b/drivers/media/platform/soc_camera/sh_mobile_csi2.c
index 42c559e..3ec7735 100644
--- a/drivers/media/platform/soc_camera/sh_mobile_csi2.c
+++ b/drivers/media/platform/soc_camera/sh_mobile_csi2.c
@@ -324,11 +324,9 @@ static int sh_csi2_probe(struct platform_device *pdev)
 
 	priv->irq = irq;
 
-	priv->base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!priv->base) {
-		dev_err(&pdev->dev, "Unable to ioremap CSI2 registers.\n");
-		return -ENXIO;
-	}
+	priv->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(priv->base))
+		return PTR_ERR(priv->base);
 
 	priv->pdev = pdev;
 	platform_set_drvdata(pdev, priv);
-- 
1.7.9.5

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