Re: [PATCH v2 1/9] i2c: prepare runtime PM support for I2C client devices

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On Fri, Sep 13, 2013 at 11:31:52AM +0100, Mark Brown wrote:
> On Fri, Sep 13, 2013 at 01:16:11PM +0300, Mika Westerberg wrote:
> > On Fri, Sep 13, 2013 at 10:59:50AM +0100, Mark Brown wrote:
> 
> > > Accessing the bus isn't an issue for I2C outside of ACPI, the power
> > > management of the device is totally disassociated from the bus and the
> > > controller is responsible for ensuring it is available during transfers.
> 
> > Yes, but since we want to support ACPI as well, we must make sure that the
> > adapter (and the associated controller) is available when client ->probe()
> > is called.
> 
> Right, but this probably needs to be highlighted more since it's a very
> surprising thing for I2C and is causing confusion.

By highlighted more, do you mean something like adding a comment in the
code about this or?
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