Re: [PATCH] tpm/tpm_tis: Disable interrupts for TUXEDO InfinityBook S 15/17 Gen7

From: Takashi Iwai
Date: Sat Jul 29 2023 - 03:06:45 EST


On Fri, 28 Jul 2023 21:24:30 +0200,
Jarkko Sakkinen wrote:
>
> On Wed Jul 26, 2023 at 6:00 PM UTC, Takashi Iwai wrote:
> > TUXEDO InfinityBook S 15/17 Gen7 suffers from an IRQ problem on
> > tpm_tis like a few other laptops. Add an entry for the workaround.
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
> > Link: https://bugzilla.suse.com/show_bug.cgi?id=1213645
> > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> > ---
> > drivers/char/tpm/tpm_tis.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
> > index cc42cf3de960..a98773ac2e55 100644
> > --- a/drivers/char/tpm/tpm_tis.c
> > +++ b/drivers/char/tpm/tpm_tis.c
> > @@ -162,6 +162,14 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
> > DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L590"),
> > },
> > },
> > + {
> > + .callback = tpm_tis_disable_irq,
> > + .ident = "TUXEDO InfinityBook S 15/17 Gen7",
> > + .matches = {
> > + DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
> > + DMI_MATCH(DMI_PRODUCT_NAME, "TUXEDO InfinityBook S 15/17 Gen7"),
> > + },
> > + },
> > {
> > .callback = tpm_tis_disable_irq,
> > .ident = "UPX-TGL",
> > --
> > 2.35.3
>
> Hi does this occur with the latest linux-next and/or v6.5-rc3?

Not tested yet, but do you have any relevant fix except for the commit
481c2d14627d ("tpm,tpm_tis: Disable interrupts after 1000 unhandled
IRQs")? That commit was already tested, at least.


thanks,

Takashi