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Commit 692af5da authored by Patrick McHardy's avatar Patrick McHardy Committed by Herbert Xu
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[HIFN]: Have HW invalidate src and dest descriptors after processing 


    
The descriptors need to be invalidated after processing for ring
cleanup to work properly and to avoid using an old destination
descriptor when the src and cmd descriptors are already set up
and the dst descriptor isn't.
    
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Acked-by: default avatarEvgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 85e7e60b

drivers/crypto/hifn_795x.c

+4 −4
Original line number Diff line number Diff line
@@ -1297,7 +1297,7 @@ static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page, 


	dma->srcr[idx].p = __cpu_to_le32(addr);

	dma->srcr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |

			HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);

			HIFN_D_MASKDONEIRQ | HIFN_D_LAST);



	if (++idx == HIFN_D_SRC_RSIZE) {

		dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
@@ -1325,7 +1325,7 @@ static void hifn_setup_res_desc(struct hifn_device *dev) 
			HIFN_D_VALID | HIFN_D_LAST);

	/*

	 * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |

	 *					HIFN_D_LAST | HIFN_D_NOINVALID);

	 *					HIFN_D_LAST);

	 */



	if (++dma->resi == HIFN_D_RES_RSIZE) {
@@ -1354,12 +1354,12 @@ static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page, 
	idx = dma->dsti;

	dma->dstr[idx].p = __cpu_to_le32(addr);

	dma->dstr[idx].l = __cpu_to_le32(size |	HIFN_D_VALID |

			HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);

			HIFN_D_MASKDONEIRQ | HIFN_D_LAST);



	if (++idx == HIFN_D_DST_RSIZE) {

		dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |

				HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |

				HIFN_D_LAST | HIFN_D_NOINVALID);

				HIFN_D_LAST);

		idx = 0;

	}

	dma->dsti = idx;