From: Andrey Pronin <apronin@chromium.org>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: 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>,
Andrey Pronin <apronin@chromium.org>
Subject: [PATCH v2 2/2] tpm_tis_spi: add max xfer size
Date: Tue, 19 Jul 2016 19:34:20 -0700 [thread overview]
Message-ID: <c052075083b8975e9e8bea2dfd6223e6a2e57ea6.1468981325.git.apronin@chromium.org> (raw)
In-Reply-To: <cover.1468981325.git.apronin@chromium.org>
In-Reply-To: <cover.1468981325.git.apronin@chromium.org>
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>
---
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
next prev parent reply other threads:[~2016-07-20 2:34 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 ` Andrey Pronin [this message]
2016-07-20 15:10 ` [PATCH v2 0/2] tpm: " 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
2016-08-09 8:14 ` Jarkko Sakkinen
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