diff options
| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2013-02-04 11:32:22 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-02-04 21:41:47 +0100 |
| commit | 1107ca104f0331627f6446bfefa2d4b0e673db18 (patch) | |
| tree | c965296f42b8428b8b137f2c2f379f2abadba6ee /drivers/gpio | |
| parent | de0ccf788147440eee2383c74408080f3ff0a43b (diff) | |
| download | linux-1107ca104f0331627f6446bfefa2d4b0e673db18.tar.gz | |
gpiolib-acpi: Fix error checks in interrupt requesting
Print error message if requesting an interrupt fails. Use int instead of unsigned for interrupts in case of error values Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -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 54ce2269ed25..a063eb04b6ce 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); |