Lines Matching refs:and
5 It depends. Fast eMMC and multiple cache levels with speculative cache
10 time between when an MMC request ends and another MMC request begins.
11 Using mmc_wait_for_req(), the MMC controller is idle while dma_map_sg and
21 prepare (major part of preparations are dma_map_sg() and dma_unmap_sg())
22 a request and how fast the memory is. The faster the MMC/SD is the
24 performance gain is 5% for large writes and 10% on large reads on a L2 cache
29 Details on measurements from IOZone and mmc_test
40 for completion of that request and starts the new one and returns. It
42 request it starts the new request and returns immediately.
47 There are two optional members in the mmc_host_ops -- pre_req() and
49 to before and after the actual mmc_host_ops.request() function is called.
50 In the DMA case pre_req() may do dma_map_sg() and prepare the DMA
51 descriptor, and post_req() runs the dma_unmap_sg().
61 request in two chunks, prepare the first chunk and start the request,
62 and finally prepare the second chunk and start the transfer.