3 files changed, 20 insertions, 13 deletions

diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts
index 3d0dfaecc7b6..10784ff45dd6 100644
--- a/arch/powerpc/boot/dts/sequoia.dts
+++ b/arch/powerpc/boot/dts/sequoia.dts
@@ -274,6 +274,8 @@
                                 zmii-channel = <0>;
                                 rgmii-device = <&RGMII0>;
                                 rgmii-channel = <0>;
+                                has-inverted-stacr-oc;
+                                has-new-stacr-staopc;
                         };
 
                         EMAC1: ethernet@ef600f00 {
@@ -302,6 +304,8 @@
                                 zmii-channel = <1>;
                                 rgmii-device = <&RGMII0>;
                                 rgmii-channel = <1>;
+                                has-inverted-stacr-oc;
+                                has-new-stacr-staopc;
                         };
                 };
         };
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index e0eae09febfa..ac9fd46509c1 100644
--- 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;
diff --git a/drivers/net/ibm_newemac/core.h b/drivers/net/ibm_newemac/core.h
index a010b2463fd9..04105f939cfd 100644
--- a/drivers/net/ibm_newemac/core.h
+++ b/drivers/net/ibm_newemac/core.h
@@ -293,9 +293,9 @@ struct emac_instance {
  */
 #define EMAC_FTR_HAS_RGMII              0x00000020
 /*
- * Set if we have axon-type STACR
+ * Set if we have new type STACR with STAOPC
  */
-#define EMAC_FTR_HAS_AXON_STACR         0x00000040
+#define EMAC_FTR_HAS_NEW_STACR          0x00000040
 
 
 /* Right now, we don't quite handle the always/possible masks on the
@@ -307,7 +307,7 @@ enum {
 
         EMAC_FTRS_POSSIBLE      =
 #ifdef CONFIG_IBM_NEW_EMAC_EMAC4
-            EMAC_FTR_EMAC4      | EMAC_FTR_HAS_AXON_STACR       |
+            EMAC_FTR_EMAC4      | EMAC_FTR_HAS_NEW_STACR        |
             EMAC_FTR_STACR_OC_INVERT    |
 #endif
 #ifdef CONFIG_IBM_NEW_EMAC_TAH