linux-kernel - Re: [PATCH v3 2/2] tpm_tis

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Message-ID: <20160728225316.GB28623@dtor-ws>
Date:	Thu, 28 Jul 2016 15:53:16 -0700
From:	Dmitry Torokhov <dtor@...omium.org>
To:	Andrey Pronin <apronin@...omium.org>
Cc:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	Peter Huewe <peterhuewe@....de>,
	Marcel Selhorst <tpmdd@...horst.net>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	Christophe Ricard <christophe.ricard@...il.com>,
	smbarber@...omium.org, dianders@...omium.org
Subject: Re: [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@...omium.org>

Reviewed-by: Dmitry Torokhov <dtor@...omium.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