On 7/25/22 17:50, Marc Zyngier wrote:
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>
Can these two now be applied or is there something more to do ?
