sdw_stream_add_master() and sdw_stream_add_slave() do not modify contents of passed sdw_port_config, so it can be made const for code safety and as documentation of expected usage.
Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org --- drivers/soundwire/stream.c | 10 +++++----- include/linux/soundwire/sdw.h | 6 +++--- 2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 69719b335bcb..9dc6399f206a 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -897,7 +897,7 @@ static struct sdw_port_runtime *sdw_port_alloc(struct list_head *port_list) }
static int sdw_port_config(struct sdw_port_runtime *p_rt, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, int port_index) { p_rt->ch_mask = port_config[port_index].ch_mask; @@ -970,7 +970,7 @@ static int sdw_slave_port_is_valid_range(struct device *dev, int num)
static int sdw_slave_port_config(struct sdw_slave *slave, struct sdw_slave_runtime *s_rt, - struct sdw_port_config *port_config) + const struct sdw_port_config *port_config) { struct sdw_port_runtime *p_rt; int ret; @@ -1026,7 +1026,7 @@ static int sdw_master_port_alloc(struct sdw_master_runtime *m_rt, }
static int sdw_master_port_config(struct sdw_master_runtime *m_rt, - struct sdw_port_config *port_config) + const struct sdw_port_config *port_config) { struct sdw_port_runtime *p_rt; int ret; @@ -1861,7 +1861,7 @@ EXPORT_SYMBOL(sdw_release_stream); */ int sdw_stream_add_master(struct sdw_bus *bus, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream) { @@ -1981,7 +1981,7 @@ EXPORT_SYMBOL(sdw_stream_remove_master); */ int sdw_stream_add_slave(struct sdw_slave *slave, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream) { diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 4f3d14bb1538..904004d8b562 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -1040,7 +1040,7 @@ int sdw_compute_params(struct sdw_bus *bus);
int sdw_stream_add_master(struct sdw_bus *bus, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream); int sdw_stream_remove_master(struct sdw_bus *bus, @@ -1062,7 +1062,7 @@ void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id
int sdw_stream_add_slave(struct sdw_slave *slave, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream); int sdw_stream_remove_slave(struct sdw_slave *slave, @@ -1084,7 +1084,7 @@ int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val);
static inline int sdw_stream_add_slave(struct sdw_slave *slave, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream) {