TXRX_CSR8
reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR8);
rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
reg = rt2x00mmio_register_read(rt2x00dev, TXRX_CSR8);
rt2x00mmio_register_write(rt2x00dev, TXRX_CSR8, reg);
reg = rt2x00usb_register_read(rt2x00dev, TXRX_CSR8);
rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);