[RFC 34/42] drivers/video/omap2/dss: don't check resource with devm_ioremap_resource

Subsystems: framebuffer layer, the rest

2 messages, 2 authors, 2013-05-11 · open the first message on its own page

[RFC 34/42] drivers/video/omap2/dss: don't check resource with devm_ioremap_resource

From: Wolfram Sang <hidden>
Date: 2013-05-10 08:17:42 

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <redacted>
---
 drivers/video/omap2/dss/hdmi.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 17f4d55..7bc6762 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -1064,13 +1064,8 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
 	mutex_init(&hdmi.lock);
 	mutex_init(&hdmi.ip_data.lock);
 
-	res = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DSSERR("can't get IORESOURCE_MEM HDMI\n");
-		return -EINVAL;
-	}
-
 	/* Base address taken from platform */
+	res = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
 	hdmi.ip_data.base_wp = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(hdmi.ip_data.base_wp))
 		return PTR_ERR(hdmi.ip_data.base_wp);
-- 
1.7.10.4

Re: [RFC 34/42] drivers/video/omap2/dss: don't check resource with devm_ioremap_resource

From: Jingoo Han <hidden>
Date: 2013-05-11 05:36:06 

On Friday, May 10, 2013 5:17 PM, Wolfram Sang wrote:
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <redacted>
It looks good.
Reviewed-by: Jingoo Han <redacted>

Best regards,
Jingoo Han
quoted hunk
---
 drivers/video/omap2/dss/hdmi.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 17f4d55..7bc6762 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -1064,13 +1064,8 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
 	mutex_init(&hdmi.lock);
 	mutex_init(&hdmi.ip_data.lock);

-	res = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DSSERR("can't get IORESOURCE_MEM HDMI\n");
-		return -EINVAL;
-	}
-
 	/* Base address taken from platform */
+	res = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
 	hdmi.ip_data.base_wp = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(hdmi.ip_data.base_wp))
 		return PTR_ERR(hdmi.ip_data.base_wp);
--
1.7.10.4

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