Re: [PATCH] tpm_tis: Add missing start/stop_tpm_chip calls

[Jarkko Sakkinen]

On Sat, Jan 23, 2021 at 02:42:47AM +0100, Lukasz Majczak wrote:
> There is a missing call to start_tpm_chip before the call to
> the tpm_get_timeouts() and tpm_tis_probe_irq_single(). As the current
> approach maight work for tpm2, it fails for tpm1.x - in that case
> call to tpm_get_timeouts() or tpm_tis_probe_irq_single() tries to
> transmit TPM commands on a disabled chip what what doesn't succeed
> and in turn causes tpm_tis_core_init() to fail.
> Tested on Samsung Chromebook Pro (Caroline).
> 
> Signed-off-by: Lukasz Majczak <lma@xxxxxxxxxxxx>

Do you have a log demonstrating the failure?

/Jarkko