On Wed, May 02, 2012 at 02:01:16PM +0900, jonghwa3.lee@samsung.com wrote:
> Hi Mark,
> 
> You point out many things. ;-) Thanks for your concern.
> I want to explain one by one.

Don't top post!  http://daringfireball.net/2007/07/on_top

> 2. Those steps is needed for wake-up interrupt occurred by 77686 irq.
>    When system has woken up from Suspend-to-RAM state by 77686 irq,
> 	then it never call irq handler.

Why?  Are you sure you aren't doing something like requesting the wrong
trigger type for the interrupt?

> 4. This will work when I2C interface is changed according to board
> 	revision with board configuration.

> 5. This is for some board that doesn't use RTC. (e.g. SMDK board)

Since you top posted I'm really not sure which comments you're referring
to with these...