emac: Fix clock control for 405EX and 405EXr chips

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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 87a706694fb3..6fd7aa61736e 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -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"))