R92C_SYS_CLKR
reg = rtwn_read_2(sc, R92C_SYS_CLKR);
rtwn_write_2(sc, R92C_SYS_CLKR,
reg = urtwn_read_2(sc, R92C_SYS_CLKR);
urtwn_write_2(sc, R92C_SYS_CLKR,
urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3);
urtwn_write_2(sc, R92C_SYS_CLKR, 0x70A3);