Re: [PATCH v2] tpm/tpm_tis: Free IRQ if probing fails
From: Jarkko Sakkinen
Date: Tue Apr 21 2020 - 15:54:08 EST
On Tue, Apr 21, 2020 at 03:23:19PM +0200, Hans de Goede wrote:
> Hi,
>
> On 4/16/20 6:07 PM, Jarkko Sakkinen wrote:
> > Call disable_interrupts() if we have to revert to polling in order not to
> > unnecessarily reserve the IRQ for the life-cycle of the driver.
> >
> > Cc: stable@xxxxxxxxxxxxxxx # 4.5.x
> > Reported-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> > Fixes: e3837e74a06d ("tpm_tis: Refactor the interrupt setup")
> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
>
> I can confirm that this fixes the "irq 31 nobody cared" oops for me:
>
> Tested-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Hi, thanks a lot! Unfortunately I already put this out given the
criticality of the issue:
https://lkml.org/lkml/2020/4/20/1544
Sincere apologies that I couldn't include your tested-by but the most
important thing is to know that it works now.
/Jarkko