On Tue 09 Jan 17:58 PST 2018, Stephen Boyd wrote: > Some pinctrl drivers can use the gpiochip irq valid information > to figure out if certain gpios are exposed to the kernel for > usage or not. Expose this API so we can use it in the > pinmux_ops::request ops. > > Signed-off-by: Stephen Boyd <[email protected]>
Acked-by: Bjorn Andersson <[email protected]> Regards, Bjorn > --- > drivers/gpio/gpiolib.c | 5 +++-- > include/linux/gpio/driver.h | 3 +++ > 2 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c > index b80936a25caa..c18b7b60ea1d 100644 > --- a/drivers/gpio/gpiolib.c > +++ b/drivers/gpio/gpiolib.c > @@ -1503,14 +1503,15 @@ static void gpiochip_irqchip_free_valid_mask(struct > gpio_chip *gpiochip) > gpiochip->irq.valid_mask = NULL; > } > > -static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, > - unsigned int offset) > +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, > + unsigned int offset) > { > /* No mask means all valid */ > if (likely(!gpiochip->irq.valid_mask)) > return true; > return test_bit(offset, gpiochip->irq.valid_mask); > } > +EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid); > > /** > * gpiochip_set_cascaded_irqchip() - connects a cascaded irqchip to a > gpiochip > diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h > index 7258cd676df4..1ba9a331ec51 100644 > --- a/include/linux/gpio/driver.h > +++ b/include/linux/gpio/driver.h > @@ -436,6 +436,9 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip, > struct lock_class_key *lock_key, > struct lock_class_key *request_key); > > +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, > + unsigned int offset); > + > #ifdef CONFIG_LOCKDEP > > /* > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >
