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Diffstat (limited to 'include/linux/smsc911x.h')
-rw-r--r--include/linux/smsc911x.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h
index b32725075d7..5241e4fb4ec 100644
--- a/include/linux/smsc911x.h
+++ b/include/linux/smsc911x.h
@@ -47,4 +47,14 @@ struct smsc911x_platform_config {
#define SMSC911X_FORCE_EXTERNAL_PHY (BIT(3))
#define SMSC911X_SAVE_MAC_ADDRESS (BIT(4))
+/*
+ * SMSC911X_SWAP_FIFO:
+ * Enables software byte swap for fifo data. Should only be used as a
+ * "last resort" in the case of big endian mode on boards with incorrectly
+ * routed data bus to older devices such as LAN9118. Newer devices such as
+ * LAN9221 can handle this in hardware, there are registers to control
+ * this swapping but the driver doesn't currently use them.
+ */
+#define SMSC911X_SWAP_FIFO (BIT(5))
+
#endif /* __LINUX_SMSC911X_H__ */