Re: [PATCH v3 8/9] soundwire: qcom: add auto enumeration support

+static int qcom_swrm_enumerate(struct sdw_bus *bus) +{

• struct qcom_swrm_ctrl *ctrl = to_qcom_sdw(bus);
• struct sdw_slave *slave, *_s;
• struct sdw_slave_id id;
• u32 val1, val2;
• bool found;
• u64 addr;
• int i;
• char *buf1 = (char *)&val1, *buf2 = (char *)&val2;
• for (i = 1; i <= SDW_MAX_DEVICES; i++) {

• /*SCP_Devid5 - Devid 4*/
  

• ctrl->reg_read(ctrl, SWRM_ENUMERATOR_SLAVE_DEV_ID_1(i), &val1);
  

• /*SCP_Devid3 - DevId 2 Devid 1 Devid 0*/
  

• ctrl->reg_read(ctrl, SWRM_ENUMERATOR_SLAVE_DEV_ID_2(i), &val2);
  

• if (!val1 && !val2)
  

• 	break;
  

• addr = buf2[1] | (buf2[0] << 8) | (buf1[3] << 16) |
  

• 	((u64)buf1[2] << 24) | ((u64)buf1[1] << 32) |
  

• 	((u64)buf1[0] << 40);
  

• sdw_extract_slave_id(bus, addr, &id);
  

• found = false;
  

• /* Now compare with entries */
  

• list_for_each_entry_safe(slave, _s, &bus->slaves, node) {
  

• 	if (sdw_compare_devid(slave, id) == 0) {
  

• 		u32 status = qcom_swrm_get_n_device_status(ctrl, i);
  

• 		found = true;
  

• 		if (status == SDW_SLAVE_ATTACHED) {
  

• 			slave->dev_num = i;
  

• 			mutex_lock(&bus->bus_lock);
  

• 			set_bit(i, bus->assigned);
  

• 			mutex_unlock(&bus->bus_lock);
  

• 		}
  

you haven't changed that part, if the device is not in DT we should still set bus->assigned::i