diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:31 +0200 |
| commit | 41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch) | |
| tree | 51c50bcb67a5039448ddfa1869d7948cab1217e9 /drivers/net/tg3.c | |
| parent | x86 gart: reimplement IOMMU_LEAK feature by using DMA_API_DEBUG (diff) | |
| parent | Linux 2.6.30-rc5 (diff) | |
| download | linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.tar.xz linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.zip | |
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base,
update it to .30-rc5 to refresh.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 6a736dda3ee2..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); |