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authorHerbert Xu <herbert@gondor.apana.org.au>2022-12-30 13:21:38 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2023-01-06 17:15:47 +0800
commit199354d7fb6eaa2cc5bb650af0bca624baffee35 (patch)
tree883df27ac79ff00afcbb70bf39e05e9187d2b65b /drivers/crypto/caam/ctrl.c
parentc27b2d2012e1826674255b9e45b61c172a267e1c (diff)
crypto: caam - Remove GFP_DMA and add DMA alignment padding
GFP_DMA does not guarantee that the returned memory is aligned for DMA. It should be removed where it is superfluous. However, kmalloc may start returning DMA-unaligned memory in future so fix this by adding the alignment by hand. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/ctrl.c')
-rw-r--r--drivers/crypto/caam/ctrl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 32253a064d0f..6278afb951c3 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -199,7 +199,7 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
u32 *desc, status;
int sh_idx, ret = 0;
- desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL | GFP_DMA);
+ desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL);
if (!desc)
return -ENOMEM;
@@ -276,7 +276,7 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
int ret = 0, sh_idx;
ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl;
- desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL | GFP_DMA);
+ desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL);
if (!desc)
return -ENOMEM;