Symbol: RT2573_PHY_CSR4
src/add-ons/kernel/drivers/network/wlan/ralinkwifi/dev/usb/wlan/if_rum.c
1960
if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
src/add-ons/kernel/drivers/network/wlan/ralinkwifi/dev/usb/wlan/if_rum.c
1972
rum_write(sc, RT2573_PHY_CSR4, tmp);