On Wed, Apr 02, 2025 at 06:45:40PM +0100, Jonathan McDowell wrote: > On Wed, Apr 02, 2025 at 07:21:30PM +0200, Michal Suchanek wrote: > > With some Infineon chips the timeouts in tpm_tis_send_data (both B and > > C) can reach up to about 2250 ms. > > > > Extend the timeout duration to accommodate this. > > The problem here is the bump of timeout_c is going to interact poorly with > the Infineon errata workaround, as now we'll wait 4s instead of 200ms to > detect the stuck status change. > > (Also shouldn't timeout_c already end up as 750ms, as it's > max(TIS_SHORT_TIMEOUT, TPM2_TIMEOUT_C), and TIS_SHORT_TIMEOUT is 750 vs 200 > for TPM2_TIMEOUT_C? That doesn't seem to be borne out by your logs, nor my > results.)
Just noticed that the commit did not end up having fixes etc. tags: https://web.git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git/commit/?id=de9e33df7762abbfc2a1568291f2c3a3154c6a9d Should we forward to stable? BR, Jarkko