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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2022-01-11 01:23:05 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-01-28 11:39:19 +0100
commit8fae0d9f571ed9ae82315f083e3584d0593c8a91 (patch)
tree0bba87cbd98303cd58505fa70fc6be85283afacc
parentmedia: bdisp: Use platform_get_irq() to get the interrupt (diff)
media: s5p-mfc: Use platform_get_irq() to get the interrupt
platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypasses the hierarchical setup and messes up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq(). Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index f6732f031e96..761341934925 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -1268,7 +1268,6 @@ static int s5p_mfc_probe(struct platform_device *pdev)
{
struct s5p_mfc_dev *dev;
struct video_device *vfd;
- struct resource *res;
int ret;
pr_debug("%s++\n", __func__);
@@ -1294,12 +1293,10 @@ static int s5p_mfc_probe(struct platform_device *pdev)
if (IS_ERR(dev->regs_base))
return PTR_ERR(dev->regs_base);
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_err(&pdev->dev, "failed to get irq resource\n");
- return -ENOENT;
- }
- dev->irq = res->start;
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0)
+ return ret;
+ dev->irq = ret;
ret = devm_request_irq(&pdev->dev, dev->irq, s5p_mfc_irq,
0, pdev->name, dev);
if (ret) {