Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for retransmission.

From	Peter Huewe <peterhuewe@gmx.de>
Newsgroups	linux.kernel
Subject	Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for retransmission.
Date	2017-02-22 13:50 +0100
Message-ID	<tdEwO-1Jr-13@gated-at.bofh.it> (permalink)
References	<tdjVn-3Sp-7@gated-at.bofh.it> <tdlDQ-55Q-23@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Am 21. Februar 2017 17:29:48 MEZ schrieb Andrew Lunn <andrew@lunn.ch>:
>On Tue, Feb 21, 2017 at 03:44:59PM +0100, Enric Balletbo i Serra wrote:
>> From: Bryan Freed <bfreed@chromium.org>
>> 
>> When the I2C Infineon part is attached to an I2C adapter that imposes
>> a size limitation, large requests will fail -EINVAL.
>> Retry them with size backoff without re-issuing the 0x05 command
>> as this appears to occasionally put the TPM in a bad state.
>
>Hi Enric
>
>Rather than trying small and smaller transfers, would it not be better
>to get the i2c core to expose the quirk info about transfer limits?
>
+1
I think that would be the better idea.
Peter
>   Andrew

-- 
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[PATCH 1/2] tpm: Apply an adapterlimit for retransmission. Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2017-02-21 15:50 +0100
  Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for  retransmission. Andrew Lunn <andrew@lunn.ch> - 2017-02-21 17:40 +0100
    Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for  retransmission. Enric Balletbo i Serra <enric.balletbo@collabora.com> - 2017-02-22 12:20 +0100
      Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for  retransmission. Andrew Lunn <andrew@lunn.ch> - 2017-02-22 15:10 +0100
        Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for retransmission. Enric Balletbo Serra <eballetbo@gmail.com> - 2017-02-27 19:50 +0100
          Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for  retransmission. Wolfram Sang <wsa@the-dreams.de> - 2017-02-27 20:20 +0100
            Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for retransmission. Enric Balletbo Serra <eballetbo@gmail.com> - 2017-02-27 23:40 +0100
    Re: [tpmdd-devel] [PATCH 1/2] tpm: Apply an adapterlimit for retransmission. Peter Huewe <peterhuewe@gmx.de> - 2017-02-22 13:50 +0100

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