Re: [PATCH v5 0/2] gpio: mxc: Locking and direction input fix

[Marc Zyngier <maz@xxxxxxxxxx>]

On Mon, 25 Jul 2022 11:34:43 +0100,
Marek Vasut <marex@xxxxxxx> wrote:
> 
> The irqchip callbacks in gpio-mxc perform register read-modify-write operations
> without locking, which may lead to a race condition. Add the missing locking.
> 
> In case the GPIO is used as IRQ, make sure it is configured as input.
> 
> Marek Vasut (2):
>   gpio: mxc: Protect GPIO irqchip RMW with bgpio spinlock
>   gpio: mxc: Always set GPIOs used as interrupt source to INPUT mode
> 
>  drivers/gpio/gpio-mxc.c | 17 ++++++++++++++++-
>  1 file changed, 16 insertions(+), 1 deletion(-)
> 
> Cc: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Loic Poulain <loic.poulain@xxxxxxxxxx>
> Cc: Marc Zyngier <maz@xxxxxxxxxx>
> Cc: NXP Linux Team <linux-imx@xxxxxxx>
> Cc: Peng Fan <peng.fan@xxxxxxx>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>

Reviewed-by: Marc Zyngier <maz@xxxxxxxxxx>

	M.

-- 
Without deviation from the norm, progress is not possible.