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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2022-01-11 01:23:08 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-01-28 11:40:09 +0100
commit8e12c61cb15e880a0688b951e69a919b659527d2 (patch)
tree2a232c0b2efbef8ba1c063471418109fe2b3b935
parent2b9b06a7692e77383d1740f40460c19a046a0739 (diff)
downloadlinux-8e12c61cb15e880a0688b951e69a919b659527d2.tar.bz2
media: exynos-gsc: 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> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--drivers/media/platform/exynos-gsc/gsc-core.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c
index cfd6ae70b8d8..e3559b047092 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -1106,9 +1106,9 @@ MODULE_DEVICE_TABLE(of, exynos_gsc_match);
static int gsc_probe(struct platform_device *pdev)
{
struct gsc_dev *gsc;
- struct resource *res;
struct device *dev = &pdev->dev;
const struct gsc_driverdata *drv_data = of_device_get_match_data(dev);
+ int irq;
int ret;
int i;
@@ -1141,11 +1141,9 @@ static int gsc_probe(struct platform_device *pdev)
if (IS_ERR(gsc->regs))
return PTR_ERR(gsc->regs);
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_err(dev, "failed to get IRQ resource\n");
- return -ENXIO;
- }
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
for (i = 0; i < gsc->num_clocks; i++) {
gsc->clock[i] = devm_clk_get(dev, drv_data->clk_names[i]);
@@ -1167,8 +1165,8 @@ static int gsc_probe(struct platform_device *pdev)
}
}
- ret = devm_request_irq(dev, res->start, gsc_irq_handler,
- 0, pdev->name, gsc);
+ ret = devm_request_irq(dev, irq, gsc_irq_handler,
+ 0, pdev->name, gsc);
if (ret) {
dev_err(dev, "failed to install irq (%d)\n", ret);
goto err_clk;