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Diffstat (limited to 'drivers/net/r6040.c')
-rw-r--r--drivers/net/r6040.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 6f97b47d74a..1508b124e3d 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -49,8 +49,8 @@
#include <asm/processor.h>
#define DRV_NAME "r6040"
-#define DRV_VERSION "0.22"
-#define DRV_RELDATE "25Mar2009"
+#define DRV_VERSION "0.23"
+#define DRV_RELDATE "05May2009"
/* PHY CHIP Address */
#define PHY1_ADDR 1 /* For MAC1 */
@@ -742,6 +742,14 @@ static int r6040_up(struct net_device *dev)
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
int ret;
+ u16 val;
+
+ /* Check presence of a second PHY */
+ val = r6040_phy_read(ioaddr, lp->phy_addr, 2);
+ if (val == 0xFFFF) {
+ printk(KERN_ERR DRV_NAME " no second PHY attached\n");
+ return -EIO;
+ }
/* Initialise and alloc RX/TX buffers */
r6040_init_txbufs(dev);