[hack] add traces to debugfs

Signed-off-by: Pierre-Louis Bossart <[email protected]>

drivers/soundwire/debugfs.c

@@ -263,13 +263,16 @@ static int cmd_go(void *data, u64 value)
  if (cmd_type) {
  struct sdw_bpt_msg msg = {0};
 
+ dev_info(&slave->dev, "%s: BRA start\n", __func__);
  ret = sdw_bpt_open_stream(slave->bus, slave, SDW_BRA);
  if (ret < 0) {
  dev_err(&slave->dev, "bpt_open_stream failed: %d\n", ret);
  release_firmware(fw);
  goto out;
  }
 
+ dev_info(&slave->dev, "%s: open done\n", __func__);
+
  msg.addr = start_addr;
  msg.len = num_bytes;
  msg.dev_num = slave->dev_num;
@@ -286,18 +289,24 @@ static int cmd_go(void *data, u64 value)
  goto out;
  }
 
+ dev_info(&slave->dev, "%s: send_async done\n", __func__);
+
  ret = sdw_bpt_wait(slave->bus,
  slave,
  &msg);
  if (ret < 0)
  dev_err(&slave->dev, "bpt_wait failed: %d\n", ret);
 
+ dev_info(&slave->dev, "%s: wait done\n", __func__);
+
  ret = sdw_bpt_close_stream(slave->bus, slave, SDW_BRA);
  if (ret < 0) {
  dev_err(&slave->dev, "bpt_open_close failed: %d\n", ret);
  release_firmware(fw);
  goto out;
  }
+ dev_info(&slave->dev, "%s: close done\n", __func__);
+
  } else {
  ret = sdw_nwrite_no_pm(slave, start_addr, num_bytes, fw->data);
  release_firmware(fw);