linux-kernel - [RFC PATCH 4/6] soundwire: stream: make stream name a const pointer

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Date:   Fri,  7 Jun 2019 09:56:41 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org, vkoul@...nel.org
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        mark.rutland@....com, pierre-louis.bossart@...ux.intel.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [RFC PATCH 4/6] soundwire: stream: make stream name a const pointer

Make stream name const pointer

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/soundwire/stream.c    | 2 +-
 include/linux/soundwire/sdw.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index b86992145799..8da1a8d2dac1 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -863,7 +863,7 @@ EXPORT_SYMBOL(sdw_release_stream);
  * sdw_alloc_stream should be called only once per stream. Typically
  * invoked from ALSA/ASoC machine/platform driver.
  */
-struct sdw_stream_runtime *sdw_alloc_stream(char *stream_name)
+struct sdw_stream_runtime *sdw_alloc_stream(const char *stream_name)
 {
 	struct sdw_stream_runtime *stream;
 
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 80ca997e4e5d..457be7d09a4a 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -831,7 +831,7 @@ struct sdw_stream_params {
  * @m_rt_count: Count of Master runtime(s) in this stream
  */
 struct sdw_stream_runtime {
-	char *name;
+	const char *name;
 	struct sdw_stream_params params;
 	enum sdw_stream_state state;
 	enum sdw_stream_type type;
@@ -839,7 +839,7 @@ struct sdw_stream_runtime {
 	int m_rt_count;
 };
 
-struct sdw_stream_runtime *sdw_alloc_stream(char *stream_name);
+struct sdw_stream_runtime *sdw_alloc_stream(const char *stream_name);
 void sdw_release_stream(struct sdw_stream_runtime *stream);
 int sdw_stream_add_master(struct sdw_bus *bus,
 		struct sdw_stream_config *stream_config,
-- 
2.21.0