Hi Seth, In commit 062737fb6d90 you added support for the Intel Lynx Point PCH to the i2c-i801 driver. I happen to have a machine with this chipset since a few weeks, and found that the i2c-i801 driver doesn't work properly on it. Specifically, the eeprom driver return 0xff for all EEPROM bytes. The at24 driver fails too, with a timeout. After some testing using i2cdetect, i2cdump and i2cget, I found that some I2C transactions work (SMBUS_QUICK, SMBUS_READ_BYTE, SMBUS_READ_BYTE_DATA, SMBUS_READ_WORD_DATA, SMBUS_READ_BLOCK_DATA), however others do not (SMBUS_WRITE_BYTE, SMBUS_READ_I2C_BLOCK.) I can't easily test other transaction types as all I have on the SMBus are SPD EEPROMs on my memory modules. Did you test the i2c-i801 driver on an actual Lynx Point PCH chipset? Or did you only add the PCI ID of the device, assuming it would work? -- Jean Delvare SUSE L3 Support -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
