Markus Stockhausen <markus.stockhausen@xxxxxx> wrote:
>
> +void rtcr_add_src_to_ring(struct rtcr_crypto_dev *cdev, int idx, void *vaddr,
> + int blocklen, int totallen)
> +{
> + dma_addr_t dma = cdev->src_dma + idx * RTCR_SRC_DESC_SIZE;
> + struct rtcr_src_desc *src = &cdev->src_ring[idx];
> +
> + src->len = totallen;
> + src->paddr = virt_to_phys(vaddr);
> + src->opmode = RTCR_SRC_OP_OWN_ASIC | RTCR_SRC_OP_CALC_EOR(idx) | blocklen;
> +
> + dma_sync_single_for_device(cdev->dev, dma, RTCR_SRC_DESC_SIZE, DMA_BIDIRECTIONAL);
Why aren't there any calls to dma_sync_single_for_cpu if this is
truly bidirectional?
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
