[PATCHv2,1/6] omap-aes: DMA initialization fixes for OMAP off mode

Commit Message

Dmitry Kasatkin Nov. 30, 2010, 8:13 a.m. UTC

None

Patch

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 799ca51..41c91f3 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -339,18 +339,6 @@  static int omap_aes_dma_init(struct omap_aes_dev *dd)
 		goto err_dma_out;
 	}
 
-	omap_set_dma_dest_params(dd->dma_lch_in, 0, OMAP_DMA_AMODE_CONSTANT,
-				 dd->phys_base + AES_REG_DATA, 0, 4);
-
-	omap_set_dma_dest_burst_mode(dd->dma_lch_in, OMAP_DMA_DATA_BURST_4);
-	omap_set_dma_src_burst_mode(dd->dma_lch_in, OMAP_DMA_DATA_BURST_4);
-
-	omap_set_dma_src_params(dd->dma_lch_out, 0, OMAP_DMA_AMODE_CONSTANT,
-				dd->phys_base + AES_REG_DATA, 0, 4);
-
-	omap_set_dma_src_burst_mode(dd->dma_lch_out, OMAP_DMA_DATA_BURST_4);
-	omap_set_dma_dest_burst_mode(dd->dma_lch_out, OMAP_DMA_DATA_BURST_4);
-
 	return 0;
 
 err_dma_out:
@@ -443,6 +431,12 @@  static int omap_aes_crypt_dma(struct crypto_tfm *tfm, dma_addr_t dma_addr_in,
 	len32 = DIV_ROUND_UP(length, sizeof(u32));
 
 	/* IN */
+	omap_set_dma_dest_params(dd->dma_lch_in, 0, OMAP_DMA_AMODE_CONSTANT,
+				 dd->phys_base + AES_REG_DATA, 0, 4);
+
+	omap_set_dma_dest_burst_mode(dd->dma_lch_in, OMAP_DMA_DATA_BURST_4);
+	omap_set_dma_src_burst_mode(dd->dma_lch_in, OMAP_DMA_DATA_BURST_4);
+
 	omap_set_dma_transfer_params(dd->dma_lch_in, OMAP_DMA_DATA_TYPE_S32,
 				     len32, 1, OMAP_DMA_SYNC_PACKET, dd->dma_in,
 					OMAP_DMA_DST_SYNC);
@@ -451,6 +445,12 @@  static int omap_aes_crypt_dma(struct crypto_tfm *tfm, dma_addr_t dma_addr_in,
 				dma_addr_in, 0, 0);
 
 	/* OUT */
+	omap_set_dma_src_params(dd->dma_lch_out, 0, OMAP_DMA_AMODE_CONSTANT,
+				dd->phys_base + AES_REG_DATA, 0, 4);
+
+	omap_set_dma_src_burst_mode(dd->dma_lch_out, OMAP_DMA_DATA_BURST_4);
+	omap_set_dma_dest_burst_mode(dd->dma_lch_out, OMAP_DMA_DATA_BURST_4);
+
 	omap_set_dma_transfer_params(dd->dma_lch_out, OMAP_DMA_DATA_TYPE_S32,
 				     len32, 1, OMAP_DMA_SYNC_PACKET,
 					dd->dma_out, OMAP_DMA_SRC_SYNC);