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smsc9420: handle magic field of ethtool_eeprom

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ethtool.h says the driver should set the magic field in get_eeprom and
verify it in set_eeprom.  This patch adds this functionality using an
arbitary driver-specific magic value constant (0x9420).

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steve Glendinning
2009-02-15 22:55:01 +00:00
committed by David S. Miller
parent 62660e2808
commit 196b7e1b9c
2 changed files with 5 additions and 0 deletions
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drivers/net/smsc9420.h
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@@ -44,6 +44,7 @@
#define LAN_REGISTER_EXTENT (0x400)
#define SMSC9420_EEPROM_SIZE ((u32)11)
#define SMSC9420_EEPROM_MAGIC (0x9420)
#define PKT_BUF_SZ (VLAN_ETH_FRAME_LEN + NET_IP_ALIGN + 4)