On Wed, Jul 27, 2016 at 08:49:57PM -0700, Andrey Pronin wrote:
> Reject burstcounts larger than 64 bytes reported by tpm.
> SPI Hardware Protocol defined in section 6.4 of TCG PTP
> Spec supports up to 64 bytes of data in a transaction.
>
> Signed-off-by: Andrey Pronin <apro...@chromium.org>
Reviewed-by: Dmitry Torokhov <d...@chromium.org>
> ---
> drivers/char/tpm/tpm_tis_spi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c
> index dbaad9c..b103373 100644
> --- a/drivers/char/tpm/tpm_tis_spi.c
> +++ b/drivers/char/tpm/tpm_tis_spi.c
> @@ -206,6 +206,7 @@ static const struct tpm_tis_phy_ops tpm_spi_phy_ops = {
> .read16 = tpm_tis_spi_read16,
> .read32 = tpm_tis_spi_read32,
> .write32 = tpm_tis_spi_write32,
> + .max_xfer_size = MAX_SPI_FRAMESIZE,
> };
>
> static int tpm_tis_spi_probe(struct spi_device *dev)
> --
> 2.6.6
>
--
Dmitry
