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soundwire: stream: constify sdw_port_config when adding devices

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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>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231120174720.239610-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2023-11-20 18:47:20 +01:00 committed by Vinod Koul
parent 5bdc61ef45
commit 21f4c44373
2 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/soundwire/stream.c
View File

@ -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)
{

6
include/linux/soundwire/sdw.h
View File

@ -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)
{