On Wed, 20 Dec 2023 17:21:12 +0000, Cristian Marussi wrote: > On reception of a completion interrupt the SMT memory area is accessed to > retrieve the message header at first and then, if the message sequence > number identifies a transaction which is still pending, the related > payload is fetched too. > > When an SCMI command times out the channel ownership remains with the > platform until eventually a late reply is received and, as a consequence, > any further transmission attempt remains pending, waiting for the channel > to be relinquished by the platform. > > [...] Applied to sudeep.holla/linux (for-next/scmi/fixes), thanks! [1/1] firmware: arm_scmi: Check Mailbox/SMT channel for consistency https://git.kernel.org/sudeep.holla/c/437a310b2224 -- Regards, Sudeep