[PATCH v7 05/16] firmware: arm_scmi: Use new trace event scmi_xfer_response_wait
From: Cristian Marussi <cristian.marussi@arm.com>
Date: 2021-11-29 19:16:35
Also in:
lkml
Subsystem:
system control & power/management interface (scpi/scmi) message protocol drivers, the rest · Maintainers:
Sudeep Holla, Linus Torvalds
Use new trace event to mark start of waiting for response section. Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> --- v5 --> v6 - removed atomic flag / poll is enough - added timeout field v4 --> v5 - consider atomic_enable flag too --- drivers/firmware/arm_scmi/driver.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 9a8d6bfd4ebb..476b91845e40 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c@@ -757,6 +757,11 @@ static int scmi_wait_for_message_response(struct scmi_chan_info *cinfo, struct device *dev = info->dev; int ret = 0, timeout_ms = info->desc->max_rx_timeout_ms; + trace_scmi_xfer_response_wait(xfer->transfer_id, xfer->hdr.id, + xfer->hdr.protocol_id, xfer->hdr.seq, + timeout_ms, + xfer->hdr.poll_completion); + if (xfer->hdr.poll_completion) { ktime_t stop = ktime_add_ms(ktime_get(), timeout_ms);
--
2.17.1
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