2020-03-16 15:01:26

by Andrey Smirnov

Subject: [PATCH v8 1/8] crypto: caam - allocate RNG instantiation descriptor with GFP_DMA

Be consistent with the rest of the codebase and use GFP_DMA when
allocating memory for a CAAM JR descriptor.

Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Horia Geantă <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Iuliana Prodan <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
drivers/crypto/caam/ctrl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 7139366da016..7f7f2960b0cc 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -196,7 +196,7 @@ 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);
+ desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL | GFP_DMA);
if (!desc)
return -ENOMEM;

@@ -273,7 +273,7 @@ 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);
+ desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL | GFP_DMA);
if (!desc)
return -ENOMEM;

--
2.21.0

2020-03-17 15:23:14

by Horia Geanta

Subject: Re: [PATCH v8 1/8] crypto: caam - allocate RNG instantiation descriptor with GFP_DMA

On 3/16/2020 5:01 PM, Andrey Smirnov wrote:
> Be consistent with the rest of the codebase and use GFP_DMA when
> allocating memory for a CAAM JR descriptor.
>
> Signed-off-by: Andrey Smirnov <[email protected]>
> Cc: Chris Healy <[email protected]>
> Cc: Lucas Stach <[email protected]>
> Cc: Horia Geantă <[email protected]>
> Cc: Herbert Xu <[email protected]>
> Cc: Iuliana Prodan <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
Reviewed-by: Horia Geantă <[email protected]>

Thanks,
Horia