diff options
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 54ce2269ed2..a063eb04b6c 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -83,7 +83,8 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) struct acpi_resource *res; acpi_handle handle, ev_handle; acpi_status status; - unsigned int pin, irq; + unsigned int pin; + int irq, ret; char ev_name[5]; if (!chip->dev || !chip->to_irq) @@ -126,11 +127,15 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) continue; /* Assume BIOS sets the triggering, so no flags */ - devm_request_threaded_irq(chip->dev, irq, NULL, + ret = devm_request_threaded_irq(chip->dev, irq, NULL, acpi_gpio_irq_handler, 0, "GPIO-signaled-ACPI-event", ev_handle); + if (ret) + dev_err(chip->dev, + "Failed to request IRQ %d ACPI event handler\n", + irq); } } EXPORT_SYMBOL(acpi_gpiochip_request_interrupts); |