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| author | Marc Zyngier <maz@kernel.org> | 2022-04-19 15:18:38 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-04-19 15:22:25 +0100 |
| commit | 704f08753b6dcd0e08c1953af0b2c7f3fac87111 (patch) | |
| tree | 622d996cb7cf7351f9e9d9003f1769016f79d26e | |
| parent | 6c846d026d490b2383d395bc8e7b06336219667b (diff) | |
| download | linux-stable-704f08753b6dcd0e08c1953af0b2c7f3fac87111.tar.gz linux-stable-704f08753b6dcd0e08c1953af0b2c7f3fac87111.tar.bz2 linux-stable-704f08753b6dcd0e08c1953af0b2c7f3fac87111.zip | |
gpio: Expose the gpiochip_irq_re[ql]res helpers
The GPIO subsystem has a couple of internal helpers to manage
resources on behalf of the irqchip. Expose them so that GPIO
drivers can use them directly.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220419141846.598305-3-maz@kernel.org
| -rw-r--r-- | drivers/gpio/gpiolib.c | 6 | ||||
| -rw-r--r-- | include/linux/gpio/driver.h | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 48191e62a3cc..36e436a66e09 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1423,19 +1423,21 @@ static int gpiochip_to_irq(struct gpio_chip *gc, unsigned int offset) return irq_create_mapping(domain, offset); } -static int gpiochip_irq_reqres(struct irq_data *d) +int gpiochip_irq_reqres(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); return gpiochip_reqres_irq(gc, d->hwirq); } +EXPORT_SYMBOL(gpiochip_irq_reqres); -static void gpiochip_irq_relres(struct irq_data *d) +void gpiochip_irq_relres(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); gpiochip_relres_irq(gc, d->hwirq); } +EXPORT_SYMBOL(gpiochip_irq_relres); static void gpiochip_irq_mask(struct irq_data *d) { diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 98c93510640e..066bcfdf878d 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -579,6 +579,10 @@ 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); + /* 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); |