soundwire: stream: make stream name a const pointer

Make stream name const pointer

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20190813083550.5877-3-srinivas.kandagatla@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index 0bc1b4d..e69f94a 100644 (file)
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -865,7 +865,7 @@ 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 9932eab..ea78720 100644 (file)
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -844,7 +844,7 @@ 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;
@@ -852,7 +852,7 @@ 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,