On Thu, Dec 10, 2020 at 8:06 AM Nikita Shubin <[email protected]> wrote:
> irqchip shared with multiple gpiochips, leads to recursive call of
> gpiochip_irq_mask/gpiochip_irq_unmask which was assigned to
> rqchip->irq_mask/irqchip->irq_unmask, these happens becouse of
> only irqchip->irq_enable == gpiochip_irq_enable is checked.
>
> Let's add an additional check to make sure shared irqchip is detected
> even if irqchip->irq_enable wasn't defined.
>
> Fixes: a8173820f441 ("gpio: gpiolib: Allow GPIO IRQs to lazy disable")
> Signed-off-by: Nikita Shubin <[email protected]>
Good catch!
Patch applied.
Yours,
Linus Walleij
