Hi Jarko,
Gesendet: Mittwoch, 23. Juni 2021 um 15:34 Uhr Von: "Jarkko Sakkinen" jarkko@kernel.org An: "Lino Sanfilippo" LinoSanfilippo@gmx.de Cc: peterhuewe@gmx.de, jgg@ziepe.ca, linus.walleij@linaro.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org 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@vger.kernel.org Fixes: 1a339b658d9d ("tpm_tis_spi: Pass the SPI IRQ down to the driver") Signed-off-by: Lino Sanfilippo LinoSanfilippo@gmx.de
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