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Commit 6e0ac6a6 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Vinod Koul
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soundwire: bus: improve dynamic debug comments for enumeration 



update comments to provide better understanding of enumeration flows.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190806005522.22642-5-pierre-louis.bossart@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 9b5884a0

drivers/soundwire/bus.c

+4 −1
Original line number Diff line number Diff line
@@ -470,7 +470,8 @@ static int sdw_assign_device_num(struct sdw_slave *slave) 


	ret = sdw_write(slave, SDW_SCP_DEVNUMBER, dev_num);

	if (ret < 0) {

		dev_err(&slave->dev, "Program device_num failed: %d\n", ret);

		dev_err(&slave->dev, "Program device_num %d failed: %d\n",

			dev_num, ret);

		return ret;

	}
@@ -527,6 +528,7 @@ static int sdw_program_device_num(struct sdw_bus *bus) 
	do {

		ret = sdw_transfer(bus, &msg);

		if (ret == -ENODATA) { /* end of device id reads */

			dev_dbg(bus->dev, "No more devices to enumerate\n");

			ret = 0;

			break;

		}
@@ -969,6 +971,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus, 
	int i, ret = 0;



	if (status[0] == SDW_SLAVE_ATTACHED) {

		dev_dbg(bus->dev, "Slave attached, programming device number\n");

		ret = sdw_program_device_num(bus);

		if (ret)

			dev_err(bus->dev, "Slave attach failed: %d\n", ret);