net: smc91x: take into account register shift

This aligns smc91x with its cousin, namely smc911x.c.
This also allows the driver to run also in a device-tree based lubbock
board build, on which it was tested.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
index 503a3b6dce917f3fdb043dab106b80832103ce93..73212590d04a362e055039d90b11e1329592d21a 100644 (file)
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -2323,6 +2323,9 @@ static int smc_drv_probe(struct platform_device *pdev)
                } else {
                        lp->cfg.flags |= SMC91X_USE_16BIT;
                }
+               if (!device_property_read_u32(&pdev->dev, "reg-shift",
+                                             &val))
+                       lp->io_shift = val;
        }
 #endif