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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2021-12-22 20:19:14 +0300
committerBartosz Golaszewski <brgl@bgdev.pl>2022-01-05 11:57:06 +0300
commit6408693f95275ffec5327d97a4ed22def8b20692 (patch)
treeb437b5ba1e3856e383b838152fd704367ea0d543 /drivers/gpio
parent80f60eba9ceea670092f599a6c90ca2cd7794004 (diff)
downloadlinux-6408693f95275ffec5327d97a4ed22def8b20692.tar.xz
gpio: ts5500: 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 bypassed the hierarchical setup and messed 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: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-ts5500.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-ts5500.c b/drivers/gpio/gpio-ts5500.c
index c91890488402..b159e92a3612 100644
--- a/drivers/gpio/gpio-ts5500.c
+++ b/drivers/gpio/gpio-ts5500.c
@@ -317,22 +317,19 @@ static int ts5500_dio_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
const char *name = dev_name(dev);
struct ts5500_priv *priv;
- struct resource *res;
unsigned long flags;
int ret;
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_err(dev, "missing IRQ resource\n");
- return -EINVAL;
- }
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0)
+ return ret;
priv = devm_kzalloc(dev, sizeof(struct ts5500_priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
platform_set_drvdata(pdev, priv);
- priv->hwirq = res->start;
+ priv->hwirq = ret;
spin_lock_init(&priv->lock);
priv->gpio_chip.owner = THIS_MODULE;