net: macb: constify macb configuration data

The configurations are not modified by the driver.  Make them 'const' so
that they may be placed in a read-only section.

Signed-off-by: Josh Cartwright <joshc@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index ad76b8e35a00..81d41539fcba 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -2113,17 +2113,17 @@ static const struct net_device_ops macb_netdev_ops = {
 };
 
 #if defined(CONFIG_OF)
-static struct macb_config pc302gem_config = {
+static const struct macb_config pc302gem_config = {
         .caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
         .dma_burst_length = 16,
 };
 
-static struct macb_config sama5d3_config = {
+static const struct macb_config sama5d3_config = {
         .caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
         .dma_burst_length = 16,
 };
 
-static struct macb_config sama5d4_config = {
+static const struct macb_config sama5d4_config = {
         .caps = 0,
         .dma_burst_length = 4,
 };
@@ -2154,7 +2154,7 @@ static void macb_configure_caps(struct macb *bp)
         if (bp->pdev->dev.of_node) {
                 match = of_match_node(macb_dt_ids, bp->pdev->dev.of_node);
                 if (match && match->data) {
-                        config = (const struct macb_config *)match->data;
+                        config = match->data;
 
                         bp->caps = config->caps;
                         /*