USDHI6_SD_OPTION
option = usdhi6_read(host, USDHI6_SD_OPTION);
usdhi6_write(host, USDHI6_SD_OPTION, option);
usdhi6_write(host, USDHI6_SD_OPTION, (val << USDHI6_SD_OPTION_TIMEOUT_SHIFT) |
(usdhi6_read(host, USDHI6_SD_OPTION) & ~USDHI6_SD_OPTION_TIMEOUT_MASK));