Re: [PATCH v4 4/4] pinctrl: rockchip: avoid hardirq-unsafe functions in irq_chip

[Linus Walleij]

On Thu, Mar 23, 2017 at 11:59 AM, John Keeping <john@xxxxxxxxxxxx> wrote:

> With real-time preemption, regmap functions cannot be used in the
> implementation of irq_chip since they use spinlocks which may sleep.
>
> Move the setting of the mux for IRQs to an irq_bus_sync_unlock handler
> where we are allowed to sleep.
>
> Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
> Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
> Tested-by: Heiko Stuebner <heiko@xxxxxxxxx>
> ---
> v3: unchanged
> v2: unchanged

Patch applied.

Yours,
Linus Walleij