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gpiolib: acpi: Switch to use enum in acpi_gpio_in_ignore_list()

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Switch to use enum instead of pointers in acpi_gpio_in_ignore_list()
which moves towards isolating the GPIO ACPI and quirk APIs. It will
helps splitting them completely in the next changes.

No functional changes.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2025-05-13 13:00:31 +03:00
parent 44aa9861d8
commit b24fd5bc8e
2 changed files with 24 additions and 5 deletions
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21
drivers/gpio/gpiolib-acpi.c
View File

@ -350,14 +350,25 @@ static struct gpio_desc *acpi_request_own_gpiod(struct gpio_chip *chip,
return desc;
}
static bool acpi_gpio_in_ignore_list(const char *ignore_list, const char *controller_in,
unsigned int pin_in)
bool acpi_gpio_in_ignore_list(enum acpi_gpio_ignore_list list, const char *controller_in,
unsigned int pin_in)
{
const char *controller, *pin_str;
const char *ignore_list, *controller, *pin_str;
unsigned int pin;
char *endp;
int len;
switch (list) {
case ACPI_GPIO_IGNORE_WAKE:
ignore_list = ignore_wake;
break;
case ACPI_GPIO_IGNORE_INTERRUPT:
ignore_list = ignore_interrupt;
break;
default:
return false;
}
controller = ignore_list;
while (controller) {
pin_str = strchr(controller, '@');
@ -394,7 +405,7 @@ static bool acpi_gpio_irq_is_wake(struct device *parent,
if (agpio->wake_capable != ACPI_WAKE_CAPABLE)
return false;
if (acpi_gpio_in_ignore_list(ignore_wake, dev_name(parent), pin)) {
if (acpi_gpio_in_ignore_list(ACPI_GPIO_IGNORE_WAKE, dev_name(parent), pin)) {
dev_info(parent, "Ignoring wakeup on pin %u\n", pin);
return false;
}
@ -437,7 +448,7 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
if (!handler)
return AE_OK;
if (acpi_gpio_in_ignore_list(ignore_interrupt, dev_name(chip->parent), pin)) {
if (acpi_gpio_in_ignore_list(ACPI_GPIO_IGNORE_INTERRUPT, dev_name(chip->parent), pin)) {
dev_info(chip->parent, "Ignoring interrupt on pin %u\n", pin);
return AE_OK;
}

8
drivers/gpio/gpiolib-acpi.h
View File

@ -58,4 +58,12 @@ static inline int acpi_gpio_count(const struct fwnode_handle *fwnode,
}
#endif
enum acpi_gpio_ignore_list {
ACPI_GPIO_IGNORE_WAKE,
ACPI_GPIO_IGNORE_INTERRUPT,
};
bool acpi_gpio_in_ignore_list(enum acpi_gpio_ignore_list list,
const char *controller_in, unsigned int pin_in);
#endif /* GPIOLIB_ACPI_H */