[PATCH 2/2] tpm: add support for TPMv2.x I2C chips

[Ilias Apalodimas]

On Mon, May 23, 2022 at 08:19:51AM -0500, Eddie James wrote:
> 
> On 5/23/22 01:12, Ilias Apalodimas wrote:
> > Hi Eddie,
> > 
> > Thanks for the patch.
> > 
> > [...]
> > 
> > > +static const struct tpm_tis_chip_data tpm_tis_std_chip_data = {
> > > +	.pcr_count = 24,
> > > +	.pcr_select_min = 3,
> > > +};
> > > +
> > > +static const struct udevice_id tpm_tis_i2c_ids[] = {
> > > +	{
> > > +		.compatible = "nuvoton,npct75x",
> > > +		.data = (ulong)&tpm_tis_std_chip_data,
> > > +	},
> > > +	{
> > > +		.compatible = "tcg,tpm-tis-i2c",
> > > +		.data = (ulong)&tpm_tis_std_chip_data,
> > > +	},
> > > +	{ }
> > > +};
> > > +
> > > +U_BOOT_DRIVER(tpm_tis_i2c) = {
> > > +	.name = "tpm_tis_i2c",
> > > +	.id = UCLASS_TPM,
> > > +	.of_match = tpm_tis_i2c_ids,
> > > +	.ops = &tpm_tis_i2c_ops,
> > > +	.probe = tpm_tis_i2c_probe,
> > > +	.remove = tpm_tis_i2c_remove,
> > > +	.priv_auto_alloc_size = sizeof(struct tpm_chip),
> > Shouldn't this be .priv_auto only? IIRC we got rid of the
> > .priv_auto_alloc_size a while back?  If so I can fix this while merging
> 
> 
> Yes, I think so. I tested with an older u-boot (openbmc uses a modified
> v2019.04) with all the TPM core patches, and I think I missed this bit in
> rebasing.

No worries, I can fix this while merging, there's no need for a v2.  I
don't see anything obviously wrong with the patchset,  unfortunately I
don't have an i2c tpm to test.  Anyway 

Reviewed-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

P.S: Was the new TIS API useful?

Thanks
/Ilias
> 
> Thanks,
> 
> Eddie
> 
> 
> > 
> > Regards
> > /Ilias
> > 
> > > +};
> > > -- 
> > > 2.27.0
> > >