PXA_DCMD_LENGTH
dcmd |= PXA_DCMD_ENDIRQEN | (PXA_DCMD_LENGTH & period_len);
len = hw_desc->dcmd & PXA_DCMD_LENGTH;
dcmd & PXA_DCMD_LENGTH);
PXA_DCMD_STR(ENDIAN), burst, width, dcmd & PXA_DCMD_LENGTH);
(PXA_DCMD_LENGTH & sizeof(u32));
#define PDMA_MAX_DESC_BYTES (PXA_DCMD_LENGTH & ~((1 << PDMA_ALIGNMENT) - 1))
hw_desc->dcmd = dcmd | (PXA_DCMD_LENGTH & copy);
dcmd | (PXA_DCMD_LENGTH & len);