> > On Mon, Mar 05, 2018 at 07:51:28PM +0200, Jarkko Sakkinen wrote: > > On Mon, Mar 05, 2018 at 01:34:49PM +0200, Tomas Winkler wrote: > > > The correct sequence is to first request locality and only after > > > that perform cmd_ready handshake, otherwise the hardware will drop > > > the subsequent message as from the device point of view the > > > cmd_ready handshake wasn't performed. Symmetrically locality has to > > > be relinquished only after going idle handshake has completed, this > > > requires that go_idle has to poll for the completion and as well > > > locality relinquish has to poll for completion so it is not > > > overridden in back to back commands flow. > > > > > > Two wrapper functions are added (request_locality > > > relinquish_locality) to simplify the error handling. > > > > > > The issue is only visible on devices that support multiple localities. > > > > > > Fixes: 877c57d0d0ca ("tpm_crb: request and relinquish locality 0") > > > Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx> > > > > Tested-by: Jarkko Sakkinen <jarkko.sakkine@xxxxxxxxxxxxxxx> > > Reviewed-by: Jarkko Sakkinen <jarkko.sakkine@xxxxxxxxxxxxxxx> > > This commit has been applied. Appreciated. Tomas