summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/qcom/camss/camss-ispif.c
diff options
context:
space:
mode:
authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2022-01-11 01:23:03 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-01-28 11:32:37 +0100
commitb416be3a8792c046d1d3979fc608a299f27f763b (patch)
treeb37f4ecb95e6ad6eeae7223261782b4611e35874 /drivers/media/platform/qcom/camss/camss-ispif.c
parent7dee2cf0546ac78387abb512b6cb1331844ed14c (diff)
downloadlinux-b416be3a8792c046d1d3979fc608a299f27f763b.tar.bz2
media: camss: Use platform_get_irq_byname() to get the interrupt
platform_get_resource_byname(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_byname(). Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-ispif.c')
-rw-r--r--drivers/media/platform/qcom/camss/camss-ispif.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c
index ba5d65f6ef34..4ee11bb979cd 100644
--- a/drivers/media/platform/qcom/camss/camss-ispif.c
+++ b/drivers/media/platform/qcom/camss/camss-ispif.c
@@ -1100,7 +1100,6 @@ int msm_ispif_subdev_init(struct camss *camss,
struct device *dev = camss->dev;
struct ispif_device *ispif = camss->ispif;
struct platform_device *pdev = to_platform_device(dev);
- struct resource *r;
int i;
int ret;
@@ -1153,14 +1152,11 @@ int msm_ispif_subdev_init(struct camss *camss,
/* Interrupt */
- r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, res->interrupt);
-
- if (!r) {
- dev_err(dev, "missing IRQ\n");
- return -EINVAL;
- }
+ ret = platform_get_irq_byname(pdev, res->interrupt);
+ if (ret < 0)
+ return ret;
- ispif->irq = r->start;
+ ispif->irq = ret;
snprintf(ispif->irq_name, sizeof(ispif->irq_name), "%s_%s",
dev_name(dev), MSM_ISPIF_NAME);
if (camss->version == CAMSS_8x16)