This dma engine driver directly accesses page_link assuming knowledge
that should be contained only in scatterlist.h.

We replace these with calls to sg_chain and sg_assign_page.

Signed-off-by: Logan Gunthorpe <[email protected]>
Signed-off-by: Stephen Bates <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Vinod Koul <[email protected]>
Cc: Per Förlin <[email protected]>
---

v2: Splits the patch into two: one per driver

 drivers/dma/imx-dma.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index ab0fb804fb1e..f681df8f0ed3 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -888,7 +888,7 @@ static struct dma_async_tx_descriptor 
*imxdma_prep_dma_cyclic(
        sg_init_table(imxdmac->sg_list, periods);

        for (i = 0; i < periods; i++) {
-               imxdmac->sg_list[i].page_link = 0;
+               sg_assign_page(&imxdmac->sg_list[i], NULL);
                imxdmac->sg_list[i].offset = 0;
                imxdmac->sg_list[i].dma_address = dma_addr;
                sg_dma_len(&imxdmac->sg_list[i]) = period_len;
@@ -896,10 +896,7 @@ static struct dma_async_tx_descriptor 
*imxdma_prep_dma_cyclic(
        }

        /* close the loop */
-       imxdmac->sg_list[periods].offset = 0;
-       sg_dma_len(&imxdmac->sg_list[periods]) = 0;
-       imxdmac->sg_list[periods].page_link =
-               ((unsigned long)imxdmac->sg_list | 0x01) & ~0x02;
+       sg_chain(imxdmac->sg_list, periods + 1, imxdmac->sg_list);

        desc->type = IMXDMA_DESC_CYCLIC;
        desc->sg = imxdmac->sg_list;
--
2.11.0

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