[PATCH] drivers: tee: i2c trampoline driver

[Jorge Ramirez-Ortiz, Foundries <jorge@foundries.io>]

On 28/12/20, Simon Glass wrote:
> Hi Jorge,
> 
> On Mon, 21 Dec 2020 at 11:15, Jorge Ramirez-Ortiz <jorge@foundries.io> wrote:
> >
> > This commit gives the secure world access to the I2C bus so it can
> > communicate with I2C slaves (tipically those would be secure elements
> 
> typically

ok

> 
> > like the NXP SE050).
> >
> > Tested on imx8mmevk.
> 
> We don't seem to have any optee tests in U-Boot at present. I vaguely
> recall they were coming at some point. I think we need:
> 
> - a sandbox fake drive for optee, that understands and responds to the
> 6 uclass calls at a basic level
> - an update to get_invoke_func() that provides a sandbox function too
> 
> Then we should be able to run optee tests in CI.
> 
> It is not a lot of work, but I don't think we should add to optee
> until this is resolved.

um, ok but shouldnt this infrastructure better rest on a maintainer's
roadmap rather than on an off-the-blue request? I mean, had I known I
could have done it in parallel but now I'll need to find the time to
do this.

also notice that Linux's equivalent patchset was merged back in the
summer (ie, this is not untested code).

https://lkml.org/lkml/2020/8/12/276

> 
> Regards,
> Simon
> [.]