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]>
Reviewed-by: Horia Geantă <[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]
Signed-off-by: Herbert Xu <[email protected]>

Author: ndreys

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;