PHY_CSR3
rt2x00mmio_register_write(rt2x00dev, PHY_CSR3, reg);
rt2x00mmio_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
rt2x00mmio_register_write(rt2x00dev, PHY_CSR3, reg);
rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);