lkml.org 
[lkml]   [2016]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 2/2] tpm_tis_spi: add max xfer size
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 <apronin@chromium.org>

Reviewed-by: Dmitry Torokhov <dtor@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

\
 
 \ /
  Last update: 2016-07-29 01:41    [W:0.117 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site