Re: [PATCH 2/8] tpm_tis_core: add optional max xfer size check

[Jarkko Sakkinen]

On Thu, Jun 13, 2019 at 11:09:25AM -0700, Stephen Boyd wrote:
> From: Andrey Pronin <apronin@xxxxxxxxxxxx>
> 
> If tpm reports a bigger burstcnt than allowed by the physical protocol,
> set burstcnt to the max allowed value.
> 
> In practice, seen in case of xfer issues (e.g. in spi interface case,
> lost header causing flow control issues and wrong values returned on read
> from TPM_STS). Without catching, causes the physical layer to reject xfer.
> 
> Signed-off-by: Andrey Pronin <apronin@xxxxxxxxxxxx>
> Reviewed-by: Dmitry Torokhov <dtor@xxxxxxxxxxxx>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> [swboyd@xxxxxxxxxxxx: Drop extra parenthesis in if statement]
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

/Jarkko