SEC_CSR0
( SEC_CSR0 + ((__idx) * 16) )
rt2x00mmio_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
reg = rt2x00usb_register_read(rt2x00dev, SEC_CSR0);
reg = rt2x00usb_register_read(rt2x00dev, SEC_CSR0);
rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);