linux-kernel - Re: [PATCH v5 3/4] tpm: tpm_tis_spi: Introduce a flow control callback

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Message-ID: <20190829162236.j3h4r45ly4b2hikd@linux.intel.com>
Date:   Thu, 29 Aug 2019 19:22:36 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Peter Huewe <peterhuewe@....de>, linux-kernel@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        Andrey Pronin <apronin@...omium.org>,
        Duncan Laurie <dlaurie@...omium.org>,
        Jason Gunthorpe <jgg@...pe.ca>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guenter Roeck <groeck@...omium.org>,
        Alexander Steffen <Alexander.Steffen@...ineon.com>,
        Heiko Stuebner <heiko@...ech.de>
Subject: Re: [PATCH v5 3/4] tpm: tpm_tis_spi: Introduce a flow control
 callback

On Wed, Aug 28, 2019 at 01:21:49AM -0700, Stephen Boyd wrote:
> Cr50 firmware has a different flow control protocol than the one used by
> this TPM PTP SPI driver. Introduce a flow control callback so we can
> override the standard sequence with the custom one that Cr50 uses.
> 
> Cc: Andrey Pronin <apronin@...omium.org>
> Cc: Duncan Laurie <dlaurie@...omium.org>
> Cc: Jason Gunthorpe <jgg@...pe.ca>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Guenter Roeck <groeck@...omium.org>
> Cc: Alexander Steffen <Alexander.Steffen@...ineon.com>
> Cc: Heiko Stuebner <heiko@...ech.de>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

/Jarkko