On Tue, 2022-05-10 at 13:29 +0200, Johannes Holland wrote: > To comply with protocol requirements, minimum polling times must > often be adhered to. Therefore, a macro like tpm_msleep() should > sleep at least the given amount of time (not up to the given period). > Have tpm_msleep() sleep at least the given number of milliseconds. > > Signed-off-by: Johannes Holland <johannes.holland@xxxxxxxxxxxx> This seems to fix the problem I reported years ago with my Nuvoton laptop TPM. https://lore.kernel.org/linux-integrity/1531328689.3260.8.camel@xxxxxxxxxxxxxxxxxxxxx/ It probably needs to soak a bit longer to declare victory (this timeout failure is very intermittent), but it looks hopeful. Regards, James