diff options
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 48534bda73d3..3e8e2d3ce7a8 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -357,8 +357,6 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) mutex_unlock(&acpi_gpio_deferred_req_irqs_lock); list_for_each_entry_safe_reverse(event, ep, &acpi_gpio->events, node) { - struct gpio_desc *desc; - if (event->irq_requested) { if (event->irq_is_wake) disable_irq_wake(event->irq); @@ -366,11 +364,8 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) free_irq(event->irq, event); } - desc = event->desc; - if (WARN_ON(IS_ERR(desc))) - continue; gpiochip_unlock_as_irq(chip, event->pin); - gpiochip_free_own_desc(desc); + gpiochip_free_own_desc(event->desc); list_del(&event->node); kfree(event); } @@ -535,17 +530,24 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data) if (ares->type != ACPI_RESOURCE_TYPE_GPIO) return 1; - if (lookup->n++ == lookup->index && !lookup->desc) { + if (!lookup->desc) { const struct acpi_resource_gpio *agpio = &ares->data.gpio; - int pin_index = lookup->pin_index; + bool gpioint = agpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT; + int pin_index; + + if (lookup->info.quirks & ACPI_GPIO_QUIRK_ONLY_GPIOIO && gpioint) + lookup->index++; + + if (lookup->n++ != lookup->index) + return 1; + pin_index = lookup->pin_index; if (pin_index >= agpio->pin_table_length) return 1; lookup->desc = acpi_get_gpiod(agpio->resource_source.string_ptr, agpio->pin_table[pin_index]); - lookup->info.gpioint = - agpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT; + lookup->info.gpioint = gpioint; /* * Polarity and triggering are only specified for GpioInt @@ -897,7 +899,7 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address, * event but only if the access here is ACPI_READ. In that * case we "borrow" the event GPIO instead. */ - if (!found && agpio->sharable == ACPI_SHARED && + if (!found && agpio->shareable == ACPI_SHARED && function == ACPI_READ) { struct acpi_gpio_event *event; |