Commit 40f5ff4f authored by Stephen Boyd's avatar Stephen Boyd Committed by Linus Walleij
Browse files

gpio: Clarify kerneldoc on gpiochip_set_chained_irqchip() 



This doesn't support nested anymore, so drivers shouldn't call it with
the handler set to NULL.

Cc: Evan Green <evgreen@chromium.org>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: default avatarStephen Boyd <swboyd@chromium.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 3c1f6b2d

drivers/gpio/gpiolib.c

+1 −2
Original line number Diff line number Diff line
@@ -1704,8 +1704,7 @@ static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip, 
 * @parent_irq: the irq number corresponding to the parent IRQ for this

 * chained irqchip

 * @parent_handler: the parent interrupt handler for the accumulated IRQ

 * coming out of the gpiochip. If the interrupt is nested rather than

 * cascaded, pass NULL in this handler argument

 * coming out of the gpiochip.

 */

void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,

				  struct irq_chip *irqchip,