Re: [PATCH v2 5/6] tpm: add driver for cr50 on SPI

From: Stephen Boyd
Date: Wed Jul 17 2019 - 13:22:25 EST


Quoting Jason Gunthorpe (2019-07-17 10:12:16)
> On Wed, Jul 17, 2019 at 10:05:52AM -0700, Stephen Boyd wrote:
> >
> > Yes. The space savings comes from having the extra module 'cr50.ko' that
> > holds almost nothing at all when the two drivers are modules.
>
> I'm not sure it is an actual savings, there is alot of minimum
> overhead and alignment to have a module in the first place.
>

Yeah. I'm pretty sure that's why it's a bool and not a tristate for this
symbol. A module has overhead that is not necessary for these little
helpers.