linux-kernel - [PATCH v5 06/13] firmware: arm_scmi: Use new trace event scmi_xfer_response

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Date:   Thu, 23 Sep 2021 15:57:55 +0100
From:   Cristian Marussi <cristian.marussi@....com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     sudeep.holla@....com, james.quinlan@...adcom.com,
        Jonathan.Cameron@...wei.com, f.fainelli@...il.com,
        etienne.carriere@...aro.org, vincent.guittot@...aro.org,
        souvik.chakravarty@....com, peter.hilber@...nsynergy.com,
        igor.skalkin@...nsynergy.com, cristian.marussi@....com
Subject: [PATCH v5 06/13] firmware: arm_scmi: Use new trace event scmi_xfer_response_wait

Use new trace event to mark start of waiting for response section.

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
---
v4 --> v5
- consider atomic_enable flag too
---
 drivers/firmware/arm_scmi/driver.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 4a53ca749334..76bfd883ffb3 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -788,6 +788,12 @@ 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,
+				      xfer->hdr.poll_completion,
+				      info->desc->atomic_capable &&
+				      info->desc->atomic_enabled);
+
 	if (!xfer->hdr.poll_completion) {
 		if (!info->desc->atomic_capable ||
 		    !info->desc->atomic_enabled) {
-- 
2.17.1