Re: [PATCH v2] gpio: siox: explicitly support only threaded irqs

From: Bartosz Golaszewski
Date: Wed Sep 09 2020 - 05:44:33 EST


On Mon, Sep 7, 2020 at 5:32 PM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:
>
> The gpio-siox driver uses handle_nested_irq() to implement its
> interrupt support. This is only capable of handling threaded irq
> actions. For a hardirq action it triggers a NULL pointer oops.
> (It calls action->thread_fn which is NULL then.)
>
> Prevent registration of a hardirq action by setting
> gpio_irq_chip::threaded to true.
>
> Cc: u.kleine-koenig@xxxxxxxxxxxxxx
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---

Could you add a Fixes tag? This looks like stable material.

Bart