Aw: Re: [PATCH v2] tpm, tpm_tis_spi: Allow to sleep in the interrupt handler

[Lino Sanfilippo]

Hi Jarko,

> Gesendet: Mittwoch, 23. Juni 2021 um 15:34 Uhr
> Von: "Jarkko Sakkinen" <jarkko@xxxxxxxxxx>
> An: "Lino Sanfilippo" <LinoSanfilippo@xxxxxx>
> Cc: peterhuewe@xxxxxx, jgg@xxxxxxxx, linus.walleij@xxxxxxxxxx, linux-integrity@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
> Betreff: Re: [PATCH v2] tpm, tpm_tis_spi: Allow to sleep in the interrupt handler
>
> On Sun, Jun 20, 2021 at 04:34:44AM +0200, Lino Sanfilippo wrote:
> > Interrupt handling at least includes reading and writing the interrupt
> > status register within the interrupt routine. For accesses over SPI a mutex
> > is used in the concerning functions. Since this requires a sleepable
> > context request a threaded interrupt handler for this case.
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Fixes: 1a339b658d9d ("tpm_tis_spi: Pass the SPI IRQ down to the driver")
> > Signed-off-by: Lino Sanfilippo <LinoSanfilippo@xxxxxx>
>
> I'll test this after rc1 PR (I have one NUC which uses tpm_tis_spi).
>
> /Jarkko
>

any news from this patch? Did you already have the opportunity to test it?

Regards,
Lino