crypto: omap-sham - rename sgl to sgl_tmp for deprecation
authorTero Kristo <t-kristo@ti.com>
Mon, 19 Sep 2016 15:22:14 +0000 (18:22 +0300)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 22 Sep 2016 10:32:50 +0000 (18:32 +0800)
The current usage of sgl will be deprecated, and will be replaced by an
array required by the sg based driver implementation. Rename the existing
variable as sgl_tmp so that it can be removed from the driver easily later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/omap-sham.c

index 3f2bf98db54b30642cdb4e5ae970a3a125bfc02c..33bea520f50a6df158b66947b6e5caf3d14f4aab 100644 (file)
@@ -151,7 +151,7 @@ struct omap_sham_reqctx {
 
        /* walk state */
        struct scatterlist      *sg;
-       struct scatterlist      sgl;
+       struct scatterlist      sgl_tmp;
        unsigned int            offset; /* offset in current sg */
        unsigned int            total;  /* total request */
 
@@ -583,18 +583,19 @@ static int omap_sham_xmit_dma(struct omap_sham_dev *dd, dma_addr_t dma_addr,
        if (is_sg) {
                /*
                 * The SG entry passed in may not have the 'length' member
-                * set correctly so use a local SG entry (sgl) with the
+                * set correctly so use a local SG entry (sgl_tmp) with the
                 * proper value for 'length' instead.  If this is not done,
                 * the dmaengine may try to DMA the incorrect amount of data.
                 */
-               sg_init_table(&ctx->sgl, 1);
-               sg_assign_page(&ctx->sgl, sg_page(ctx->sg));
-               ctx->sgl.offset = ctx->sg->offset;
-               sg_dma_len(&ctx->sgl) = len32;
-               sg_dma_address(&ctx->sgl) = sg_dma_address(ctx->sg);
-
-               tx = dmaengine_prep_slave_sg(dd->dma_lch, &ctx->sgl, 1,
-                       DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+               sg_init_table(&ctx->sgl_tmp, 1);
+               sg_assign_page(&ctx->sgl_tmp, sg_page(ctx->sg));
+               ctx->sgl_tmp.offset = ctx->sg->offset;
+               sg_dma_len(&ctx->sgl_tmp) = len32;
+               sg_dma_address(&ctx->sgl_tmp) = sg_dma_address(ctx->sg);
+
+               tx = dmaengine_prep_slave_sg(dd->dma_lch, &ctx->sgl_tmp, 1,
+                                            DMA_MEM_TO_DEV,
+                                            DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
        } else {
                tx = dmaengine_prep_slave_single(dd->dma_lch, dma_addr, len32,
                        DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);