firmware: arm_scmi: Clear stale xfer->hdr.status
[ Upstream commit f6ca5059dc
]
Stale error status reported from a previous message transaction must be
cleared before starting a new transaction to avoid being confusingly
reported in the following SCMI message dump traces.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20221222183823.518856-2-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -783,6 +783,8 @@ static int do_xfer(const struct scmi_protocol_handle *ph,
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xfer->hdr.protocol_id, xfer->hdr.seq,
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xfer->hdr.poll_completion);
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/* Clear any stale status */
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xfer->hdr.status = SCMI_SUCCESS;
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xfer->state = SCMI_XFER_SENT_OK;
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/*
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* Even though spinlocking is not needed here since no race is possible
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