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    Subject[PATCH v9 1/9] crypto: caam - allocate RNG instantiation descriptor with GFP_DMA
    Date
    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@gmail.com>
    Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
    Cc: Chris Healy <cphealy@gmail.com>
    Cc: Lucas Stach <l.stach@pengutronix.de>
    Cc: Horia Geantă <horia.geanta@nxp.com>
    Cc: Herbert Xu <herbert@gondor.apana.org.au>
    Cc: Iuliana Prodan <iuliana.prodan@nxp.com>
    Cc: linux-imx@nxp.com
    Cc: linux-crypto@vger.kernel.org
    Cc: linux-kernel@vger.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 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
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