Thread (10 messages) 10 messages, 3 authors, 2020-01-07

Re: [PATCH 1/3] media: aspeed: Rework memory mapping in probe

From: Eddie James <eajames@linux.ibm.com>
Date: 2020-01-07 19:17:18
Also in: linux-aspeed, linux-media, lkml

On 1/6/20 9:43 PM, Joel Stanley wrote:
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.

Reviewed-by: Eddie James <eajames@linux.ibm.com>


Thanks Joel!

quoted hunk ↗ jump to hunk
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
  drivers/media/platform/aspeed-video.c | 16 ++++++----------
  1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index d8593cb2ae84..8f849d9866af 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -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;
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