net: axinet: Use of_property_read_u32 instead of open-coding it

Use of_property_read_u32 instead of of_get_property with return value
checks and endianness conversion.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Reviewed-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index 2a5a168..507bbb0 100644 (file)
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -129,7 +129,6 @@ int axienet_mdio_setup(struct axienet_local *lp, struct device_node *np)
 {
        int ret;
        u32 clk_div, host_clock;
-       u32 *property_p;
        struct mii_bus *bus;
        struct resource res;
        struct device_node *np1;
@@ -168,8 +167,7 @@ int axienet_mdio_setup(struct axienet_local *lp, struct device_node *np)
                clk_div = DEFAULT_CLOCK_DIVISOR;
                goto issue;
        }
-       property_p = (u32 *) of_get_property(np1, "clock-frequency", NULL);
-       if (!property_p) {
+       if (of_property_read_u32(np1, "clock-frequency", &host_clock)) {
                netdev_warn(lp->ndev, "clock-frequency property not found.\n");
                netdev_warn(lp->ndev,
                            "Setting MDIO clock divisor to default %d\n",
@@ -179,7 +177,6 @@ int axienet_mdio_setup(struct axienet_local *lp, struct device_node *np)
                goto issue;
        }
 
-       host_clock = be32_to_cpup(property_p);
        clk_div = (host_clock / (MAX_MDIO_FREQ * 2)) - 1;
        /* If there is any remainder from the division of
         * fHOST / (MAX_MDIO_FREQ * 2), then we need to add