SD_ARG_CMD53_BLOCK_MODE
if (ISSET(arg, SD_ARG_CMD53_BLOCK_MODE)) {
if (ISSET(arg, SD_ARG_CMD53_BLOCK_MODE))
blocks, SD_ARG_CMD53_READ | SD_ARG_CMD53_BLOCK_MODE);
blocks, SD_ARG_CMD53_WRITE | SD_ARG_CMD53_BLOCK_MODE);
SD_ARG_CMD53_BLOCK_MODE);
SD_ARG_CMD53_BLOCK_MODE);