On Mon, Nov 07, 2022 at 10:47:44AM +0100, Jan Dąbroś wrote: > > On Thu, Nov 03, 2022 at 03:54:50PM +0100, Jan Dabros wrote: > > > Move i2c locking primitives to request_locality and relinquish_locality > > > callbacks, what effectively blocks TPM bus for the whole duration of > > > logical TPM operation. > > > > > > With this in place, cr50-equipped TPM may be shared with external CPUs - > > > assuming that underneath i2c controller driver is aware of this setup > > > (see i2c-designware-amdpsp as an example). > > > > Nit: s/CPUs/peripherals/ ? I'm not sure why you want to emphasize external > > chips having CPU. > > My point was that we can have a multi-controller setup and each > controller may work with the TPM chip, so let me s/CPUs/controllers/. ack BR, Jarkko
