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path: root/drivers/gpio/gpiolib-acpi.c
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Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
-rw-r--r--drivers/gpio/gpiolib-acpi.c18
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);