[PATCH v2 1/8] include/linux/phy.h: Add MII_ADDR_C45

[Andrey Smirnov]

From: Andrey Gusakov <andrey.gusakov at cogentembedded.com>

Add MII_ADDR_C45 used by bitbanged MDIO

Signed-off-by: Andrey Gusakov <andrey.gusakov at cogentembedded.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
 include/linux/phy.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index a64b9b5..58e69da 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -69,6 +69,10 @@ typedef enum {
  */
 #define MII_BUS_ID_SIZE	(20 - 3)
 
+/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
+   IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
+#define MII_ADDR_C45 (1<<30)
+
 #define PHYLIB_FORCE_10		(1 << 0)
 #define PHYLIB_FORCE_100	(1 << 1)
 #define PHYLIB_FORCE_LINK	(1 << 2)
-- 
2.5.0