[PATCH v5 7/9] soundwire: export sdw_compare_devid, sdw_extract_slave_id and sdw_slave_add

Srinivas Kandagatla
2021-03-26T06:42:31Z

Exporting these three functions makes sense as it can be used by
other controllers like Qualcomm during auto-enumeration!

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
drivers/soundwire/bus.c | 4 +++-
drivers/soundwire/slave.c | 1 +
include/linux/soundwire/sdw.h | 2 ++
3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 46885429928a..6d7708964735 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -603,7 +603,7 @@ static struct sdw_slave *sdw_get_slave(struct sdw_bus *bus, int i)
return NULL;
}

-static int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id)
+int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id)
{
if (slave->id.mfg_id != id.mfg_id ||
slave->id.part_id != id.part_id ||
@@ -614,6 +614,7 @@ static int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id)

return 0;
}
+EXPORT_SYMBOL(sdw_compare_devid);

/* called with bus_lock held */
static int sdw_get_device_num(struct sdw_slave *slave)
@@ -698,6 +699,7 @@ void sdw_extract_slave_id(struct sdw_bus *bus,
"SDW Slave class_id 0x%02x, mfg_id 0x%04x, part_id 0x%04x, unique_id 0x%x, version 0x%x\n",
id->class_id, id->mfg_id, id->part_id, id->unique_id, id->sdw_version);
}
+EXPORT_SYMBOL(sdw_extract_slave_id);

static int sdw_program_device_num(struct sdw_bus *bus)
{
diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
index 180f38bd003b..92850e150d36 100644
--- a/drivers/soundwire/slave.c
+++ b/drivers/soundwire/slave.c
@@ -88,6 +88,7 @@ int sdw_slave_add(struct sdw_bus *bus,

return ret;
}
+EXPORT_SYMBOL(sdw_slave_add);

#if IS_ENABLED(CONFIG_ACPI)

diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 2f52d6609076..f9003ba056ba 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -1011,5 +1011,7 @@ int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value);
int sdw_read_no_pm(struct sdw_slave *slave, u32 addr);
int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
+int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id);
+void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id);

#endif /* __SOUNDWIRE_H */
--
2.21.0