[PATCH -next 05/26] crypto: Use dma_zalloc_coherent

[Joe Perches]

Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <j...@perches.com>
---
 drivers/crypto/amcc/crypto4xx_core.c | 8 +++-----
 drivers/crypto/ixp4xx_crypto.c       | 8 ++++----
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/crypto/amcc/crypto4xx_core.c 
b/drivers/crypto/amcc/crypto4xx_core.c
index 37f9cc9..d3da537 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -304,14 +304,12 @@ static struct ce_pd *crypto4xx_get_pdp(struct 
crypto4xx_device *dev,
  */
 static u32 crypto4xx_build_gdr(struct crypto4xx_device *dev)
 {
-       dev->gdr = dma_alloc_coherent(dev->core_dev->device,
-                                     sizeof(struct ce_gd) * PPC4XX_NUM_GD,
-                                     &dev->gdr_pa, GFP_ATOMIC);
+       dev->gdr = dma_zalloc_coherent(dev->core_dev->device,
+                                      sizeof(struct ce_gd) * PPC4XX_NUM_GD,
+                                      &dev->gdr_pa, GFP_ATOMIC);
        if (!dev->gdr)
                return -ENOMEM;
 
-       memset(dev->gdr, 0, sizeof(struct ce_gd) * PPC4XX_NUM_GD);
-
        return 0;
 }
 
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index f757a0f..0a32d7c 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -251,12 +251,12 @@ static int setup_crypt_desc(void)
 {
        struct device *dev = &pdev->dev;
        BUILD_BUG_ON(sizeof(struct crypt_ctl) != 64);
-       crypt_virt = dma_alloc_coherent(dev,
-                       NPE_QLEN * sizeof(struct crypt_ctl),
-                       &crypt_phys, GFP_ATOMIC);
+       crypt_virt = dma_zalloc_coherent(dev,
+                                        NPE_QLEN * sizeof(struct crypt_ctl),
+                                        &crypt_phys, GFP_ATOMIC);
        if (!crypt_virt)
                return -ENOMEM;
-       memset(crypt_virt, 0, NPE_QLEN * sizeof(struct crypt_ctl));
+
        return 0;
 }
 
-- 
1.8.1.2.459.gbcd45b4.dirty

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