[PATCH] crypto: bcm: use of_device_get_match_data

[Corentin Labbe]

The usage of of_device_get_match_data reduce the code size a bit.
Furthermore, it prevents an improbable dereference when
of_match_device() return NULL.

Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>
---
 drivers/crypto/bcm/cipher.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 537a67483aa3..92e97a6da811 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -4818,7 +4818,6 @@ static int spu_dt_read(struct platform_device *pdev)
        struct device *dev = &pdev->dev;
        struct spu_hw *spu = &iproc_priv.spu;
        struct resource *spu_ctrl_regs;
-       const struct of_device_id *match;
        const struct spu_type_subtype *matched_spu_type;
        struct device_node *dn = pdev->dev.of_node;
        int err, i;
@@ -4826,14 +4825,12 @@ static int spu_dt_read(struct platform_device *pdev)
        /* Count number of mailbox channels */
        spu->num_chan = of_count_phandle_with_args(dn, "mboxes", "#mbox-cells");
 
-       match = of_match_device(of_match_ptr(bcm_spu_dt_ids), dev);
-       if (!match) {
+       matched_spu_type = of_device_get_match_data(dev);
+       if (!matched_spu_type) {
                dev_err(&pdev->dev, "Failed to match device\n");
                return -ENODEV;
        }
 
-       matched_spu_type = match->data;
-
        spu->spu_type = matched_spu_type->type;
        spu->spu_subtype = matched_spu_type->subtype;
 
-- 
2.13.5