2013-07-23 18:02:40

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 05/27] drivers/gpu/host1x/drm: don't check resource with devm_ioremap_resource

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

Signed-off-by: Wolfram Sang <[email protected]>
---
Please apply via the subsystem-tree.

drivers/gpu/host1x/drm/hdmi.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/host1x/drm/hdmi.c b/drivers/gpu/host1x/drm/hdmi.c
index 01097da..9ffece6 100644
--- a/drivers/gpu/host1x/drm/hdmi.c
+++ b/drivers/gpu/host1x/drm/hdmi.c
@@ -1248,9 +1248,6 @@ static int tegra_hdmi_probe(struct platform_device *pdev)
return err;

regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!regs)
- return -ENXIO;
-
hdmi->regs = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(hdmi->regs))
return PTR_ERR(hdmi->regs);
--
1.7.10.4


2013-08-01 10:20:25

by Terje Bergstrom

[permalink] [raw]
Subject: Re: [PATCH 05/27] drivers/gpu/host1x/drm: don't check resource with devm_ioremap_resource

On 23.07.2013 21:01, Wolfram Sang wrote:
> diff --git a/drivers/gpu/host1x/drm/hdmi.c b/drivers/gpu/host1x/drm/hdmi.c
> index 01097da..9ffece6 100644
> --- a/drivers/gpu/host1x/drm/hdmi.c
> +++ b/drivers/gpu/host1x/drm/hdmi.c
> @@ -1248,9 +1248,6 @@ static int tegra_hdmi_probe(struct platform_device *pdev)
> return err;
>
> regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (!regs)
> - return -ENXIO;
> -
> hdmi->regs = devm_ioremap_resource(&pdev->dev, regs);
> if (IS_ERR(hdmi->regs))
> return PTR_ERR(hdmi->regs);
>

Looks good to me.

Reviewed-By: Terje Bergstrom <[email protected]>

Terje