rtl2800usb: Fix incorrect storage of MAC address on big-endian platforms
The eeprom data is stored in little-endian order in the rt2x00 library. As it was converted to cpu order in the read routines, the data need to be converted to LE on a big-endian platform. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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1 changed files with 9 additions and 8 deletions
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@ -3697,14 +3697,15 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
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rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, ®);
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/* Apparently the data is read from end to start */
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
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(u32 *)&rt2x00dev->eeprom[i]);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
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(u32 *)&rt2x00dev->eeprom[i + 2]);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
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(u32 *)&rt2x00dev->eeprom[i + 4]);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
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(u32 *)&rt2x00dev->eeprom[i + 6]);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, ®);
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/* The returned value is in CPU order, but eeprom is le */
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rt2x00dev->eeprom[i] = cpu_to_le32(reg);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, ®);
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*(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, ®);
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*(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
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rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, ®);
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*(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
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mutex_unlock(&rt2x00dev->csr_mutex);
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}
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