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authorDavid S. Miller <davem@davemloft.net>2009-04-21 01:32:26 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-21 01:32:26 -0700
commite5e9743bb7429f53c83ad69b432f7b661e74c3f0 (patch)
treedb3691aef0d46c4aed4a2be6dc8ab7c44c3488cb /drivers/net/tg3.c
parenta0f82f64e26929776c58a5c93c2ecb38e3d82815 (diff)
parent775d8d931581764a1ec982ebe5a927b12762fb6d (diff)
downloadblackbird-op-linux-e5e9743bb7429f53c83ad69b432f7b661e74c3f0.tar.gz
blackbird-op-linux-e5e9743bb7429f53c83ad69b432f7b661e74c3f0.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/core/dev.c
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 7a837c465960..201be425643a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2190,7 +2190,14 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
if (!(tmp & EEPROM_ADDR_COMPLETE))
return -EBUSY;
- *val = tr32(GRC_EEPROM_DATA);
+ tmp = tr32(GRC_EEPROM_DATA);
+
+ /*
+ * The data will always be opposite the native endian
+ * format. Perform a blind byteswap to compensate.
+ */
+ *val = swab32(tmp);
+
return 0;
}
@@ -10663,7 +10670,13 @@ static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
memcpy(&data, buf + i, 4);
- tw32(GRC_EEPROM_DATA, be32_to_cpu(data));
+ /*
+ * The SEEPROM interface expects the data to always be opposite
+ * the native endian format. We accomplish this by reversing
+ * all the operations that would have been performed on the
+ * data from a call to tg3_nvram_read_be32().
+ */
+ tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
val = tr32(GRC_EEPROM_ADDR);
tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
@@ -12443,13 +12456,8 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
/* Next, try NVRAM. */
if (!tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
!tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
- dev->dev_addr[0] = ((hi >> 16) & 0xff);
- dev->dev_addr[1] = ((hi >> 24) & 0xff);
- dev->dev_addr[2] = ((lo >> 0) & 0xff);
- dev->dev_addr[3] = ((lo >> 8) & 0xff);
- dev->dev_addr[4] = ((lo >> 16) & 0xff);
- dev->dev_addr[5] = ((lo >> 24) & 0xff);
-
+ memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
+ memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
}
/* Finally just fetch it out of the MAC control regs. */
else {
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