ibm_newemac: Cleanup/fix support for STACR register variants

[safe/jmp/linux-2.6] / drivers / net / ibm_newemac / core.c

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index e0eae09..ac9fd46 100644 (file)
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -711,7 +711,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
                r = EMAC_STACR_BASE(dev->opb_bus_freq);
        if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
                r |= EMAC_STACR_OC;
-       if (emac_has_feature(dev, EMAC_FTR_HAS_AXON_STACR))
+       if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR))
                r |= EMACX_STACR_STAC_READ;
        else
                r |= EMAC_STACR_STAC_READ;
@@ -783,7 +783,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
                r = EMAC_STACR_BASE(dev->opb_bus_freq);
        if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
                r |= EMAC_STACR_OC;
-       if (emac_has_feature(dev, EMAC_FTR_HAS_AXON_STACR))
+       if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR))
                r |= EMACX_STACR_STAC_WRITE;
        else
                r |= EMAC_STACR_STAC_WRITE;
@@ -2480,16 +2480,19 @@ static int __devinit emac_init_config(struct emac_instance *dev)
        /* Check EMAC version */
        if (of_device_is_compatible(np, "ibm,emac4"))
                dev->features |= EMAC_FTR_EMAC4;
-       if (of_device_is_compatible(np, "ibm,emac-axon")
-           || of_device_is_compatible(np, "ibm,emac-440epx"))
-               dev->features |= EMAC_FTR_HAS_AXON_STACR
-                       | EMAC_FTR_STACR_OC_INVERT;
-       if (of_device_is_compatible(np, "ibm,emac-440spe"))
+
+       /* Fixup some feature bits based on the device tree */
+       if (of_get_property(np, "has-inverted-stacr-oc", NULL))
                dev->features |= EMAC_FTR_STACR_OC_INVERT;
+       if (of_get_property(np, "has-new-stacr-staopc", NULL))
+               dev->features |= EMAC_FTR_HAS_NEW_STACR;
 
-       /* Fixup some feature bits based on the device tree and verify
-        * we have support for them compiled in
-        */
+       /* CAB lacks the appropriate properties */
+       if (of_device_is_compatible(np, "ibm,emac-axon"))
+               dev->features |= EMAC_FTR_HAS_NEW_STACR |
+                       EMAC_FTR_STACR_OC_INVERT;
+
+       /* Enable TAH/ZMII/RGMII features as found */
        if (dev->tah_ph != 0) {
 #ifdef CONFIG_IBM_NEW_EMAC_TAH
                dev->features |= EMAC_FTR_HAS_TAH;