From: Dmitry Torokhov <dtor@chromium.org>
To: Andrey Pronin <apronin@chromium.org>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Peter Huewe <peterhuewe@gmx.de>,
Marcel Selhorst <tpmdd@selhorst.net>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
Christophe Ricard <christophe.ricard@gmail.com>,
smbarber@chromium.org, dianders@chromium.org
Subject: Re: [PATCH v3 2/2] tpm_tis_spi: add max xfer size
Date: Thu, 28 Jul 2016 15:53:16 -0700 [thread overview]
Message-ID: <20160728225316.GB28623@dtor-ws> (raw)
In-Reply-To: <1469677797-74304-3-git-send-email-apronin@chromium.org>
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
next prev parent reply other threads:[~2016-07-28 22:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-15 1:39 [PATCH 0/2] tpm: add optional max xfer size check Andrey Pronin
2016-07-15 1:39 ` [PATCH 1/2] tpm_tis_core: " Andrey Pronin
2016-07-15 3:13 ` Jason Gunthorpe
2016-07-15 3:25 ` Andrey Pronin
2016-07-15 3:48 ` Guenter Roeck
2016-07-18 18:53 ` Jarkko Sakkinen
2016-07-15 1:39 ` [PATCH 2/2] tpm_tis_spi: add max xfer size Andrey Pronin
2016-07-20 2:34 ` [PATCH v2 0/2] tpm: add optional max xfer size check Andrey Pronin
2016-07-20 2:34 ` [PATCH v2 1/2] tpm_tis_core: " Andrey Pronin
2016-07-20 2:34 ` [PATCH v2 2/2] tpm_tis_spi: add max xfer size Andrey Pronin
2016-07-20 15:10 ` [PATCH v2 0/2] tpm: add optional max xfer size check Jarkko Sakkinen
2016-07-28 3:49 ` [PATCH v3 " Andrey Pronin
2016-07-28 3:49 ` [PATCH v3 1/2] tpm_tis_core: " Andrey Pronin
2016-07-28 22:52 ` Dmitry Torokhov
2016-08-09 8:14 ` Jarkko Sakkinen
2016-07-28 3:49 ` [PATCH v3 2/2] tpm_tis_spi: add max xfer size Andrey Pronin
2016-07-28 22:53 ` Dmitry Torokhov [this message]
2016-08-09 8:14 ` Jarkko Sakkinen
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