wm_write_emi_reg_locked
static int wm_write_emi_reg_locked(device_t, int, uint16_t);
rv = wm_write_emi_reg_locked(dev, emi_addr, emi_val);
rv = wm_write_emi_reg_locked(dev, I82579_LPI_PLL_SHUT, data);
rv = wm_write_emi_reg_locked(dev, I82577_MSE_THRESHOLD, 0x0034);
rv = wm_write_emi_reg_locked(dev, I82579_MSE_THRESHOLD, 0x0034);
rv = wm_write_emi_reg_locked(dev, I82579_MSE_LINK_DOWN, 0x0005);
rv = wm_write_emi_reg_locked(dev,