Re: [REGRESSION] no TPM device after "tpm_crb: Convert ACPI driver to a platform one"

"Rafael J. Wysocki (Intel)" <[email protected]> Thu, 6 Aug 2026 21:58:01 +0200
Newsgroups gmane.linux.acpi.devel
Message-ID <CAJZ5v0gySOkYRphXHbXcStFGiuMtni_OWXW2rTDoa_V2PRPnJw@mail.gmail.com>
On Thu, Aug 6, 2026 at 12:45 PM Rafael J. Wysocki (Intel)
<[email protected]> wrote:
>
> On Thu, Aug 6, 2026 at 11:55 AM Julien <[email protected]> wrote:
> >
> > > Please try the attached patch and let me know how it goes.
> > >
> > > It applies on top of the current mainline, but it may be adjusted to
> > > older kernels, so please let me know if you need that.
> >
> > Thanks. The patch seems to be working. /dev/tpm0 and /dev/tpmrm0 are
> > back and a command like tpm2_get_random 16 succeeds.

Please test the v2 of the patch at:

https://lore.kernel.org/linux-acpi/[email protected]/

The v1 had an issue pointed out by Sashiko.