On Tue, Mar 23, 2021 at 06:25:59PM +0200, Jarkko Sakkinen wrote:
> On Tue, Mar 23, 2021 at 07:51:53AM +0200, Paul Enuta wrote:
> > Hi,
> > it happens with 5.10.25-v7l (latest mainline in Raspberry PI OS) and
> > in my test it started with 5.10.0-v7+.
> > 5.4.83-v7+ was OK.
> > Problems occur on fresh and clean installs with kernel versions above 5.10.
> > This quick fix solves:
> > --- tpm-chip.c.orig 2021-03-22 17:43:05.433433496 +0000
> > +++ tpm-chip.c 2021-03-22 18:22:52.000000000 +0000
> > @@ -101,6 +101,11 @@
> > {
> > int ret;
> >
> > + if (!chip->ops) {
> > + pr_err("%s: Avoiding NULL ops pointer\n", __func__);
> > + return -EIO;
> > + }
> > +
> > tpm_clk_enable(chip);
> >
> > if (chip->locality == -1) {
> >
>
> Please try with the actual mainline. We don't care about RPi kernel.
AFAIK you can compile BuildRoot for RPi and try vanilla mainline with that.
I cannot provide any support for that but at least it is a build target.
/Jarkko
