soundwire: bus: write Slave Device Number without runtime_pm

While handling the Device0, we can safely use sdw_write_no_pm.

This move will also helps us track that all other usages of
sdw_write() happen when the Slave is already enumerated.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200115000844.14695-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index c525b9b..dfe27e3 100644 (file)
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -522,7 +522,7 @@ static int sdw_assign_device_num(struct sdw_slave *slave)
        dev_num = slave->dev_num;
        slave->dev_num = 0;
 
-       ret = sdw_write(slave, SDW_SCP_DEVNUMBER, dev_num);
+       ret = sdw_write_no_pm(slave, SDW_SCP_DEVNUMBER, dev_num);
        if (ret < 0) {
                dev_err(&slave->dev, "Program device_num %d failed: %d\n",
                        dev_num, ret);