drivers/soundwire/bus.c

181 	if (slave->dev_num) { /* clear dev_num if assigned */
182 		clear_bit(slave->dev_num, bus->assigned);
283 			msg->dev_num, ret,
357 			msg->dev_num, ret);
363 		 u32 addr, size_t count, u16 dev_num, u8 flags, u8 *buf)
368 	msg->dev_num = dev_num;
387 	if (dev_num == SDW_ENUM_DEV_NUM || dev_num == SDW_BROADCAST_DEV_NUM) {
388 		pr_err("SDW: Invalid device for paging :%d\n", dev_num);
426 		ret = sdw_fill_msg(&msg, slave, addr, size, slave->dev_num, flags, val);
487 sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr)
493 	ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num,
506 sdw_bwrite_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 value)
511 	ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num,
519 int sdw_bread_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr)
525 	ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num,
538 int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 value)
543 	ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num,
705 		if (slave->dev_num == i)
744 	 * Do not update dev_num in Slave data structure here,
745 	 * Update once program dev_num is successful
760 	if (!slave->dev_num) {
762 			int dev_num;
765 			dev_num = sdw_get_device_num(slave);
767 			if (dev_num < 0) {
768 				dev_err(dev, "Get dev_num failed: %d\n", dev_num);
769 				return dev_num;
772 			slave->dev_num_sticky = dev_num;
774 			dev_dbg(dev, "Slave already registered, reusing dev_num: %d\n",
779 	/* Clear the slave->dev_num to transfer message on device 0 */
780 	slave->dev_num = 0;
789 	/* After xfer of msg, restore dev_num */
790 	slave->dev_num = slave->dev_num_sticky;
793 		bus->ops->new_peripheral_assigned(bus, slave, slave->dev_num);
882 				 * Assign a new dev_num to this Slave and
885 				 * dev_num
890 						"Assign dev_num failed:%d\n",
937 		 slave->dev_num, slave->status, status);
942 			slave->dev_num);
951 			slave->dev_num);
1017 static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num, bool prepare)
1023 		val = sdw_bread_no_pm(bus, dev_num, SDW_SCP_STAT);
1033 				dev_num);
1043 		dev_num);
1071 		if (!slave->dev_num)
1126 		if (!slave->dev_num)
1197 		if (!slave->dev_num)
1239 		if (!slave->dev_num)
1989 				slave->dev_num);
2049 	if (slave->dev_num == SDW_ENUM_DEV_NUM ||
2050 	    slave->dev_num > SDW_MAX_DEVICES) {
2051 		dev_err(&slave->dev, "Invalid device number %d\n", slave->dev_num);