diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index a5b84d40e60c..56a6b1be3a17 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -684,20 +684,24 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) { int idx, i; unsigned int irq_flags; - int ret = -ENOENT; for (i = 0, idx = 0; idx <= index; i++) { struct acpi_gpio_info info; struct gpio_desc *desc; desc = acpi_get_gpiod_by_index(adev, NULL, i, &info); - if (IS_ERR(desc)) { - ret = PTR_ERR(desc); - break; - } + + /* Ignore -EPROBE_DEFER, it only matters if idx matches */ + if (IS_ERR(desc) && PTR_ERR(desc) != -EPROBE_DEFER) + return PTR_ERR(desc); + if (info.gpioint && idx++ == index) { - int irq = gpiod_to_irq(desc); + int irq; + + if (IS_ERR(desc)) + return PTR_ERR(desc); + irq = gpiod_to_irq(desc); if (irq < 0) return irq; @@ -713,7 +717,7 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) } } - return ret; + return -ENOENT; } EXPORT_SYMBOL_GPL(acpi_dev_gpio_irq_get); |