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    Subject[PATCH v3 7/9] soundwire: export sdw_compare_devid() and sdw_extract_slave_id()
    Date
    Exporting these two functions makes sense as it can be used by
    other controllers like Qualcomm during auto-enumeration!

    Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
    ---
    drivers/soundwire/bus.c | 4 +++-
    include/linux/soundwire/sdw.h | 2 ++
    2 files changed, 5 insertions(+), 1 deletion(-)

    diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
    index 48577b78f282..46d3407c097f 100644
    --- a/drivers/soundwire/bus.c
    +++ b/drivers/soundwire/bus.c
    @@ -608,7 +608,7 @@ 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 ||
    @@ -619,6 +619,7 @@ 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)
    @@ -703,6 +704,7 @@ 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/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
    index d08039d65825..8478a1f5f833 100644
    --- a/include/linux/soundwire/sdw.h
    +++ b/include/linux/soundwire/sdw.h
    @@ -1009,5 +1009,7 @@ 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
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