DM9000: Add platform flag for no attached EEPROM

[pandora-kernel.git] / drivers / net / dm9000.c

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index d0cd7f9..afd2cf5 100644 (file)
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -405,6 +405,9 @@ static int dm9000_get_eeprom(struct net_device *dev,
        if ((len & 1) != 0 || (offset & 1) != 0)
                return -EINVAL;
 
+       if (dm->flags & DM9000_PLATF_NO_EEPROM)
+               return -ENOENT;
+
        ee->magic = DM_EEPROM_MAGIC;
 
        for (i = 0; i < len; i += 2)
@@ -426,6 +429,9 @@ static int dm9000_set_eeprom(struct net_device *dev,
        if ((len & 1) != 0 || (offset & 1) != 0)
                return -EINVAL;
 
+       if (dm->flags & DM9000_PLATF_NO_EEPROM)
+               return -ENOENT;
+
        if (ee->magic != DM_EEPROM_MAGIC)
                return -EINVAL;
 
@@ -1100,6 +1106,12 @@ dm9000_read_eeprom(board_info_t *db, int offset, u8 *to)
 {
        unsigned long flags;
 
+       if (db->flags & DM9000_PLATF_NO_EEPROM) {
+               to[0] = 0xff;
+               to[1] = 0xff;
+               return;
+       }
+
        mutex_lock(&db->addr_lock);
 
        spin_lock_irqsave(&db->lock, flags);
@@ -1134,6 +1146,9 @@ dm9000_write_eeprom(board_info_t *db, int offset, u8 *data)
 {
        unsigned long flags;
 
+       if (db->flags & DM9000_PLATF_NO_EEPROM)
+               return;
+
        mutex_lock(&db->addr_lock);
 
        spin_lock_irqsave(&db->lock, flags);