[media] media: mx2-emmaprp: Cleanup internal structure
There are no need to store resource struct and IRQ in the driver
internal structure.
This patch remove these fields and improve error handling by using
proper return codes from devm_ioremap_resource() and devm_request_irq().
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index 0b7480e..85ce099 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -207,10 +207,8 @@
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 @@
{
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 @@
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 @@
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);
+ 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->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;
- goto rel_vdev;
- }
pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
if (IS_ERR(pcdev->alloc_ctx)) {