ax88796: Add method to take MAC from platform data

Implement a way to provide the MAC address for ax88796 devices from
their platform data. Boards might decide to set the address
programmatically, taken from boot tags or other sources.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 5 deletions

diff --git a/include/net/ax88796.h b/include/net/ax88796.h
index 51329dae44e6..b9a3beca0ce4 100644
--- a/include/net/ax88796.h
+++ b/include/net/ax88796.h
@@ -15,14 +15,17 @@
 #define AXFLG_HAS_EEPROM                (1<<0)
 #define AXFLG_MAC_FROMDEV               (1<<1)  /* device already has MAC */
 #define AXFLG_HAS_93CX6                 (1<<2)  /* use eeprom_93cx6 driver */
+#define AXFLG_MAC_FROMPLATFORM          (1<<3)  /* MAC given by platform data */
 
 struct ax_plat_data {
         unsigned int     flags;
-        unsigned char    wordlength;            /* 1 or 2 */
-        unsigned char    dcr_val;               /* default value for DCR */
-        unsigned char    rcr_val;               /* default value for RCR */
-        unsigned char    gpoc_val;              /* default value for GPOC */
-        u32             *reg_offsets;           /* register offsets */
+        unsigned char    wordlength;    /* 1 or 2 */
+        unsigned char    dcr_val;       /* default value for DCR */
+        unsigned char    rcr_val;       /* default value for RCR */
+        unsigned char    gpoc_val;      /* default value for GPOC */
+        u32             *reg_offsets;   /* register offsets */
+        u8              *mac_addr;      /* MAC addr (only used when
+                                           AXFLG_MAC_FROMPLATFORM is used */
 };
 
 #endif /* __NET_AX88796_PLAT_H */