diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
commit | 5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (patch) | |
tree | 0b973d527ea6b2ae31e08da0746b4965a3c5a6d8 /drivers/net/tg3.c | |
parent | 9b94b3a19b13e094c10f65f24bc358f6ffe4eacd (diff) | |
parent | b87297fb405ef13cac375f202d114323b076a56d (diff) |
Merge branch 'linus' into x86/cpu
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r-- | drivers/net/tg3.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 6a736dda3ee..201be425643 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); |