soundwire: stream: uniquify dev_err() logs

There are a couple of duplicate logs which makes harder than needed to
follow the error flows. Add __func__ or make the log unique.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230322035524.1509029-3-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/stream.c

@@ -1389,7 +1389,7 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream,
 
 	ret = do_bank_switch(stream);
 	if (ret < 0) {
-		pr_err("Bank switch failed: %d\n", ret);
+		pr_err("%s: do_bank_switch failed: %d\n", __func__, ret);
 		goto restore_params;
 	}
 
@@ -1477,7 +1477,7 @@ static int _sdw_enable_stream(struct sdw_stream_runtime *stream)
 		/* Program params */
 		ret = sdw_program_params(bus, false);
 		if (ret < 0) {
-			dev_err(bus->dev, "Program params failed: %d\n", ret);
+			dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret);
 			return ret;
 		}
 
@@ -1497,7 +1497,7 @@ static int _sdw_enable_stream(struct sdw_stream_runtime *stream)
 
 	ret = do_bank_switch(stream);
 	if (ret < 0) {
-		pr_err("Bank switch failed: %d\n", ret);
+		pr_err("%s: do_bank_switch failed: %d\n", __func__, ret);
 		return ret;
 	}
 
@@ -1567,14 +1567,14 @@ static int _sdw_disable_stream(struct sdw_stream_runtime *stream)
 		/* Program params */
 		ret = sdw_program_params(bus, false);
 		if (ret < 0) {
-			dev_err(bus->dev, "Program params failed: %d\n", ret);
+			dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret);
 			return ret;
 		}
 	}
 
 	ret = do_bank_switch(stream);
 	if (ret < 0) {
-		pr_err("Bank switch failed: %d\n", ret);
+		pr_err("%s: do_bank_switch failed: %d\n", __func__, ret);
 		return ret;
 	}
 
@@ -1664,7 +1664,7 @@ static int _sdw_deprepare_stream(struct sdw_stream_runtime *stream)
 		/* Program params */
 		ret = sdw_program_params(bus, false);
 		if (ret < 0) {
-			dev_err(bus->dev, "Program params failed: %d\n", ret);
+			dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret);
 			return ret;
 		}
 	}
@@ -1893,7 +1893,8 @@ int sdw_stream_add_master(struct sdw_bus *bus,
 
 	m_rt = sdw_master_rt_alloc(bus, stream);
 	if (!m_rt) {
-		dev_err(bus->dev, "Master runtime alloc failed for stream:%s\n", stream->name);
+		dev_err(bus->dev, "%s: Master runtime alloc failed for stream:%s\n",
+			__func__, stream->name);
 		ret = -ENOMEM;
 		goto unlock;
 	}
@@ -2012,7 +2013,8 @@ int sdw_stream_add_slave(struct sdw_slave *slave,
 	 */
 	m_rt = sdw_master_rt_alloc(slave->bus, stream);
 	if (!m_rt) {
-		dev_err(&slave->dev, "Master runtime alloc failed for stream:%s\n", stream->name);
+		dev_err(&slave->dev, "%s: Master runtime alloc failed for stream:%s\n",
+			__func__, stream->name);
 		ret = -ENOMEM;
 		goto unlock;
 	}