On Thu, Dec 4, 2008 at 6:56 PM, David Brownell <david-b@xxxxxxxxxxx> wrote: > On Thursday 04 December 2008, Felipe Balbi wrote: >> i2c subsystem has smbus emulation. The special reason is just that it's >> simpler for the driver writer ;-) > > I'd have said "more portable", actually. I2C hosts can > do pretty much everything an SMBus host can, but the > converse is not true. > > And re i2c_check_functionality() ... yes, use it to make > sure each I2C or SMBus call the driver makes is supported > by the underlying controller. > Thank you Brownell and Balbi. Your comments are very helpful for me. I'll fix some part of the driver and send it again later. -- Kwangwoo Lee <kwangwoo.lee@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html