RTSX_SD_CFG3
RTSX_CLR(sc, RTSX_SD_CFG3, RTSX_SD30_CLK_END_EN);
rtsx_write(sc, RTSX_SD_CFG3, RTSX_SD_RSP_80CLK_TIMEOUT_EN,
rtsx_write(sc, RTSX_SD_CFG3, RTSX_SD_RSP_80CLK_TIMEOUT_EN, 0);