AC_TXOP_CSR0 2828 drivers/net/wireless/ralink/rt2x00/rt61pci.c offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2))); AC_TXOP_CSR0 2251 drivers/net/wireless/ralink/rt2x00/rt73usb.c offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));