crypto: omap-sham - rename sgl to sgl_tmp for deprecation

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: NTero Kristo <t-kristo@ti.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/omap-sham.c

@@ -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);