Re: [PATCH] tpm_tis: fix iTPM probe via probe_itpm() function

From: Jason Gunthorpe
Date: Thu Jan 12 2017 - 13:53:36 EST


On Thu, Jan 12, 2017 at 07:12:06PM +0100, Maciej S. Szmigiero wrote:
> probe_itpm() function is supposed to send command without an itpm flag set
> and if this fails to repeat it, this time with the itpm flag set.
>
> However, commit 41a5e1cf1fe15 ("tpm/tpm_tis: Split tpm_tis driver into a
> core and TCG TIS compliant phy") moved the itpm flag from an "itpm"
> variable to a TPM_TIS_ITPM_POSSIBLE chip flag, so setting the
> (now function-local) itpm variable no longer had any effect.
>
> Finally, this function-local itpm variable was removed by
> commit 56af322156dbe9 ("tpm/tpm_tis: remove unused itpm variable")
>
> Tested only on non-iTPM TIS TPM.
>
> Signed-off-by: Maciej S. Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx>

could you also change the name of TPM_TIS_ITPM_POSSIBLE
to TPM_TIS_ITPM_WORKAROUND ?

Reviewed-by: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>

Jason