SDHCI_DEFAULT_BOUNDARY_SIZE
dmanow = (dmanow & ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1)) +
SDHCI_DEFAULT_BOUNDARY_SIZE;
~((dma_addr_t)SDHCI_DEFAULT_BOUNDARY_SIZE - 1)) +
SDHCI_DEFAULT_BOUNDARY_SIZE;
#define SDHCI_DEFAULT_BOUNDARY_ARG (ilog2(SDHCI_DEFAULT_BOUNDARY_SIZE) - 12)