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media: aspeed: Rework memory mapping in probe 

Use the recently introduced function devm_platform_ioremap_resource to
save a few lines of code. This makes the driver match common platform
device probe patterns.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Joel Stanley 2020-01-07 04:43:22 +01:00 committed by Mauro Carvalho Chehab
parent 297c5ac328
commit aef0a5090b
1 changed files with 6 additions and 10 deletions
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16
drivers/media/platform/aspeed-video.c
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@ -1655,14 +1655,17 @@ static int aspeed_video_init(struct aspeed_video *video)
static int aspeed_video_probe(struct platform_device *pdev)
{
struct aspeed_video *video;
int rc;
struct resource *res;
struct aspeed_video *video =
devm_kzalloc(&pdev->dev, sizeof(*video), GFP_KERNEL);
video = devm_kzalloc(&pdev->dev, sizeof(*video), GFP_KERNEL);
if (!video)
return -ENOMEM;
video->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(video->base))
return PTR_ERR(video->base);
video->frame_rate = 30;
video->dev = &pdev->dev;
spin_lock_init(&video->lock);
@ -1671,13 +1674,6 @@ static int aspeed_video_probe(struct platform_device *pdev)
INIT_DELAYED_WORK(&video->res_work, aspeed_video_resolution_work);
INIT_LIST_HEAD(&video->buffers);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
video->base = devm_ioremap_resource(video->dev, res);
if (IS_ERR(video->base))
return PTR_ERR(video->base);
rc = aspeed_video_init(video);
if (rc)
return rc;