Commit d04fb2b2 authored Apr 20, 2020 by Cristian Marussi Committed by Sudeep Holla Apr 20, 2020

firmware: arm_scmi: Clear channel for delayed responses

Clear channel properly when done processing a delayed response.
This will let the platform firmware know that the channel is now free to
use it for any new delayed response or notification.

Link: https://lore.kernel.org/r/20200420152315.21008-4-cristian.marussi@arm.com


Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
(sudeep.holla: Updated commit log to reflect that channel is now free for
 platform to use)
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

parent b37f5cc8

drivers/firmware/arm_scmi/driver.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -256,11 +256,13 @@ static void scmi_handle_response(struct scmi_chan_info *cinfo,
		xfer->hdr.protocol_id, xfer->hdr.seq,
		msg_type);

		if (msg_type == MSG_TYPE_DELAYED_RESP)
		if (msg_type == MSG_TYPE_DELAYED_RESP) {
		info->desc->ops->clear_channel(cinfo);
		complete(xfer->async_done);
		else
		} else {
		complete(&xfer->done);
		}
		}

		/**
		* scmi_rx_callback() - callback for receiving messages