IXP4xx: Make mdio_bus struct static in the Ethernet driver.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index 6be8b09..656e2ae 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -241,7 +241,7 @@
static spinlock_t mdio_lock;
static struct eth_regs __iomem *mdio_regs; /* mdio command and status only */
-struct mii_bus *mdio_bus;
+static struct mii_bus *mdio_bus;
static int ports_open;
static struct port *npe_port_tab[MAX_NPES];
static struct dma_pool *dma_pool;