Re: [PATCH 1/2] tpm: tis_i2c: Limit read bursts to I2C_SMBUS_BLOCK_MAX (32) bytes

[Jarkko Sakkinen]

On Wed, 2023-05-24 at 17:40 +0200, A. Sverdlin wrote:
> From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxxxx>
> 
> Underlying I2C bus drivers not always support longer transfers and
> imx-lpi2c for instance doesn't. SLB 9673 offers 427-bytes packets.
> 
> Visible symptoms are:
> 
> tpm tpm0: Error left over data
> tpm tpm0: tpm_transmit: tpm_recv: error -5
> tpm_tis_i2c: probe of 1-002e failed with error -5
> 
> Fixes: bbc23a07b072 ("tpm: Add tpm_tis_i2c backend for tpm_tis_core")
> Tested-by: Michael Haener <michael.haener@xxxxxxxxxxx>
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxxxx>

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

BR, Jarkko