emac: Fix clock control for 405EX and 405EXr chips
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 13 Mar 2009 20:48:46 +0000 (13:48 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 13 Mar 2009 20:48:46 +0000 (13:48 -0700)
The EMAC variant in the 405EX and 405EXr chips needs the "440EP" type clock
control workaround to avoid lockups of the Rx side during reset.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Felix Radensky <felix@embedded-sol.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ibm_newemac/core.c

index 87a706694fb35f6519e4933944b06df429849d48..6fd7aa61736ed8b49e7dfc282647819823976671 100644 (file)
@@ -2594,6 +2594,9 @@ static int __devinit emac_init_config(struct emac_instance *dev)
                if (of_device_is_compatible(np, "ibm,emac-460ex") ||
                    of_device_is_compatible(np, "ibm,emac-460gt"))
                        dev->features |= EMAC_FTR_460EX_PHY_CLK_FIX;
+               if (of_device_is_compatible(np, "ibm,emac-405ex") ||
+                   of_device_is_compatible(np, "ibm,emac-405exr"))
+                       dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
        } else if (of_device_is_compatible(np, "ibm,emac4")) {
                dev->features |= EMAC_FTR_EMAC4;
                if (of_device_is_compatible(np, "ibm,emac-440gx"))