linux-kernel - [PATCH v2 3/6] crypto: caam - allocate RNG instantiation descriptor with GFP

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Message-Id: <20191118153843.28136-4-andrew.smirnov@gmail.com>
Date:   Mon, 18 Nov 2019 07:38:40 -0800
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-crypto@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Horia Geantă <horia.geanta@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Iuliana Prodan <iuliana.prodan@....com>, linux-imx@....com,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/6] 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 <andrew.smirnov@...il.com>
Cc: Chris Healy <cphealy@...il.com>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Horia Geantă <horia.geanta@....com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: Iuliana Prodan <iuliana.prodan@....com>
Cc: linux-imx@....com
Cc: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 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 a1c879820286..8054ec29d35a 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -194,7 +194,7 @@ 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;
 
@@ -271,7 +271,7 @@ 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