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Merge branch 'irq/gpio-immutable' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into gpio/for-next

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This pulls in changes improving the handling of immutable irqchips in core
gpiolib and several drivers.
This commit is contained in:
Bartosz Golaszewski 2022-05-05 15:03:29 +02:00
commit 86bfb916df
11 changed files with 293 additions and 90 deletions
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16
include/linux/gpio/driver.h
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@ -580,6 +580,22 @@ void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset);
void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset);
void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset);
/* irq_data versions of the above */
int gpiochip_irq_reqres(struct irq_data *data);
void gpiochip_irq_relres(struct irq_data *data);
/* Paste this in your irq_chip structure */
#define GPIOCHIP_IRQ_RESOURCE_HELPERS \
.irq_request_resources = gpiochip_irq_reqres, \
.irq_release_resources = gpiochip_irq_relres
static inline void gpio_irq_chip_set_chip(struct gpio_irq_chip *girq,
const struct irq_chip *chip)
{
/* Yes, dropping const is ugly, but it isn't like we have a choice */
girq->chip = (struct irq_chip *)chip;
}
/* Line status inquiry for drivers */
bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset);
bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset);