On Fri, 2020-01-03 at 21:32 -0700, Jerry Snitselaar wrote: > On Sat Jan 04 20, Jarkko Sakkinen wrote: > > There has been a bunch of reports (one from kernel bugzilla linked) > > reporting that when this commit is applied it causes on some machines > > boot freezes. > > > > Unfortunately hardware where this commit causes a failure is not widely > > available (only one I'm aware is Lenovo T490), which means we cannot > > predict yet how long it will take to properly fix tpm_tis interrupt > > probing. > > > > Thus, the least worst short term action is to revert the code to the > > state before this commit. In long term we need fix the tpm_tis probing > > code to work on machines that Stefan's code was supposed to fix. > > > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=205935 > > Cc: Jerry Snitselaar <jsnitsel@xxxxxxxxxx> > > Cc: Dan Williams <dan.j.williams@xxxxxxxxx> > > > > Jarkko Sakkinen (1): > > tpm: Revert "tpm_tis: reserve chip for duration of tpm_tis_core_init" > > > > Stefan Berger (2): > > tpm: Revert "tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for > > interrupts" > > tpm: Revert "tpm_tis_core: Turn on the TPM before probing IRQ's" > > > > drivers/char/tpm/tpm_tis_core.c | 34 +++++++++++++++------------------ > > 1 file changed, 15 insertions(+), 19 deletions(-) > > > > -- > > 2.20.1 > > > > Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx> I'm sorry but forgot to append this before sending pull request :-/ /Jarkko
