On Mon, Mar 20, 2023 at 11:05 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > > On Mon, Mar 20, 2023 at 10:33 AM Kornel Dulęba <korneld@xxxxxxxxxxxx> wrote: > > > This fixes a similar problem to the one observed in: > > commit 4e5a04be88fe ("pinctrl: amd: disable and mask interrupts on probe"). > > > > On some systems, during suspend/resume cycle firmware leaves > > an interrupt enabled on a pin that is not used by the kernel. > > This confuses the AMD pinctrl driver and causes spurious interrupts. > > > > The driver already has logic to detect if a pin is used by the kernel. > > Leverage it to re-initialize interrupt fields of a pin only if it's not > > used by us. > > > > Signed-off-by: Kornel Dulęba <korneld@xxxxxxxxxxxx> > > Uh oh this looks serious. > Do we need a Fixes: tag and Cc: stable on this patch? I suppose so. I didn't add them since I'm not sure what commit Fixes: should point to. This issue seems to have always been there, so probably the first commit of this driver? Regards Kornel Dulęba