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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-07 10:36:12 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-07 10:36:12 +0400
commit5e2aa2ed08e2e280121dc7cf5609c87d464f12ef (patch)
treeca7d7b1480285e3b617fecc5b41f0ce150a82c32 /drivers/media/platform/mx2_emmaprp.c
parentf62d14a8072b9756db36ba394e2b267470a40240 (diff)
parentfc8104bc5a3f6f49d79f45f2706f79f77a9fb2ae (diff)
downloadlinux-5e2aa2ed08e2e280121dc7cf5609c87d464f12ef.tar.xz
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.17.
Diffstat (limited to 'drivers/media/platform/mx2_emmaprp.c')
-rw-r--r--drivers/media/platform/mx2_emmaprp.c37
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index 0b7480e82142..fa8f7cabe364 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -207,10 +207,8 @@ struct emmaprp_dev {
struct mutex dev_mutex;
spinlock_t irqlock;
- int irq_emma;
void __iomem *base_emma;
struct clk *clk_emma_ahb, *clk_emma_ipg;
- struct resource *res_emma;
struct v4l2_m2m_dev *m2m_dev;
struct vb2_alloc_ctx *alloc_ctx;
@@ -901,9 +899,8 @@ static int emmaprp_probe(struct platform_device *pdev)
{
struct emmaprp_dev *pcdev;
struct video_device *vfd;
- struct resource *res_emma;
- int irq_emma;
- int ret;
+ struct resource *res;
+ int irq, ret;
pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL);
if (!pcdev)
@@ -920,12 +917,10 @@ static int emmaprp_probe(struct platform_device *pdev)
if (IS_ERR(pcdev->clk_emma_ahb))
return PTR_ERR(pcdev->clk_emma_ahb);
- irq_emma = platform_get_irq(pdev, 0);
- res_emma = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (irq_emma < 0 || res_emma == NULL) {
- dev_err(&pdev->dev, "Missing platform resources data\n");
- return -ENODEV;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ pcdev->base_emma = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(pcdev->base_emma))
+ return PTR_ERR(pcdev->base_emma);
ret = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev);
if (ret)
@@ -952,20 +947,11 @@ static int emmaprp_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pcdev);
- pcdev->base_emma = devm_ioremap_resource(&pdev->dev, res_emma);
- if (IS_ERR(pcdev->base_emma)) {
- ret = PTR_ERR(pcdev->base_emma);
- goto rel_vdev;
- }
-
- pcdev->irq_emma = irq_emma;
- pcdev->res_emma = res_emma;
-
- if (devm_request_irq(&pdev->dev, pcdev->irq_emma, emmaprp_irq,
- 0, MEM2MEM_NAME, pcdev) < 0) {
- ret = -ENODEV;
+ irq = platform_get_irq(pdev, 0);
+ ret = devm_request_irq(&pdev->dev, irq, emmaprp_irq, 0,
+ dev_name(&pdev->dev), pcdev);
+ if (ret)
goto rel_vdev;
- }
pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
if (IS_ERR(pcdev->alloc_ctx)) {
@@ -999,6 +985,8 @@ rel_vdev:
unreg_dev:
v4l2_device_unregister(&pcdev->v4l2_dev);
+ mutex_destroy(&pcdev->dev_mutex);
+
return ret;
}
@@ -1012,6 +1000,7 @@ static int emmaprp_remove(struct platform_device *pdev)
v4l2_m2m_release(pcdev->m2m_dev);
vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx);
v4l2_device_unregister(&pcdev->v4l2_dev);
+ mutex_destroy(&pcdev->dev_mutex);
return 0;
}