I use Linux2.6.29 kernel on omap3530,but the i2c2 interface is not working,when I write or read data to any chip via i2c2,it returns a err -121.But I use Linux2.6.32 kernel on omap3530,the i2c2 interface is fine,so the hardware is fine too.Now , I want to use Linux2.6.29,who can help me?