[PATCH v7 05/16] firmware: arm_scmi: Use new trace event scmi_xfer_response_wait

Cristian Marussi
2021-11-29T19:16:35Z

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