SD_CMD4
for (i = SD_CMD0; i <= SD_CMD4; i++)
SD_CMD4, 0xFF, (u8)cmd->arg);
rtsx_usb_add_cmd(ucr, READ_REG_CMD, SD_CMD4, 0, 0);
SD_CMD4, 0xFF, (u8)cmd->arg);
rtsx_usb_add_cmd(ucr, READ_REG_CMD, SD_CMD4, 0, 0);
rtsx_usb_add_cmd(ucr, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8)arg);
for (i = SD_CMD0; i <= SD_CMD4; i++)