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firmware: arm_scmi: Clear stale xfer->hdr.status

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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>
This commit is contained in:
Cristian Marussi 2022-12-22 18:38:19 +00:00 committed by Sudeep Holla
parent 1b929c02af
commit f6ca5059dc
1 changed files with 2 additions and 0 deletions
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2
drivers/firmware/arm_scmi/driver.c
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@ -910,6 +910,8 @@ static int do_xfer(const struct scmi_protocol_handle *ph,
xfer->hdr.protocol_id, xfer->hdr.seq,
xfer->hdr.poll_completion);
/* Clear any stale status */
xfer->hdr.status = SCMI_SUCCESS;
xfer->state = SCMI_XFER_SENT_OK;
/*
* Even though spinlocking is not needed here since no race is possible