James Bottomley @ 2020-10-30 08:49 MST: > On Fri, 2020-10-30 at 14:43 +0200, Jarkko Sakkinen wrote: > [...] >> I tested this with: >> >> - >> https://ark.intel.com/content/www/us/en/ark/products/84861/intel-nuc-kit-nuc5i5myhe.html >> dTPM 1.2 >> - >> https://ark.intel.com/content/www/us/en/ark/products/74483/intel-nuc-kit-dc53427hye.html >> dTPM 2.0 >> >> I did not get "TPM interrupt not working, polling instead" to klog. >> But I neither see tpm0 in /proc/interrupts. What I'm doing wrong? > > That's usually what you get when ACPI specifies the interrupt isn't > connected (we don't try to probe it). > > James That is the problem I've been running into. When I do find a system with a tpm and using tpm_tis, it usually seems to not have the interrupt connected. Should this commit have: Fixes: 570a36097f30 ("tpm: drop 'irq' from struct tpm_vendor_specific") That is where TPM_CHIP_FLAG_IRQ was added and not set for tpm_tis.
