soundwire: cadence_master: add traces for clock_restart

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
plbossart · Dec 9, 2019 · 1861825 · 1861825
1 parent b09d05f
commit 1861825
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
@@ -1327,6 +1327,8 @@ int sdw_cdns_clock_restart(struct sdw_cdns *cdns, bool bus_reset)
 {
 	int ret;
 
+	dev_dbg(cdns->dev, "%s: start\n", __func__);
+
 	ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL,
 			     CDNS_MCP_CONTROL_CLK_STOP_CLR);
 	if (ret < 0) {
@@ -1372,6 +1374,8 @@ int sdw_cdns_clock_restart(struct sdw_cdns *cdns, bool bus_reset)
 	if (ret < 0)
 		dev_err(cdns->dev, "bus failed to exit clock stop %d\n", ret);
 
+	dev_dbg(cdns->dev, "%s: end\n", __func__);
+
 	return ret;
 }
 EXPORT_SYMBOL(sdw_cdns_clock_restart);