diff options
Diffstat (limited to 'drivers/net/dm9000.c')
| -rw-r--r-- | drivers/net/dm9000.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index ee597e676ee5..8ef31dc4704d 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -24,6 +24,7 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/init.h> +#include <linux/interrupt.h> #include <linux/skbuff.h> #include <linux/spinlock.h> #include <linux/crc32.h> @@ -534,21 +535,35 @@ static int dm9000_set_eeprom(struct net_device *dev, board_info_t *dm = to_dm9000_board(dev); int offset = ee->offset; int len = ee->len; - int i; + int done; /* EEPROM access is aligned to two bytes */ - 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; - for (i = 0; i < len; i += 2) - dm9000_write_eeprom(dm, (offset + i) / 2, data + i); + while (len > 0) { + if (len & 1 || offset & 1) { + int which = offset & 1; + u8 tmp[2]; + + dm9000_read_eeprom(dm, offset / 2, tmp); + tmp[which] = *data; + dm9000_write_eeprom(dm, offset / 2, tmp); + + done = 1; + } else { + dm9000_write_eeprom(dm, offset / 2, data); + done = 2; + } + + data += done; + offset += done; + len -= done; + } return 0; } |