linux-kernel - Re: [PATCH] i2c: allow building emev2 without slave mode again

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Message-ID: <20151217194016.GD1530@katana>
Date:	Thu, 17 Dec 2015 20:40:17 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	kbuild test robot <lkp@...el.com>, kbuild-all@...org,
	linux-i2c@...r.kernel.org,
	Niklas Söderlund 
	<niklas.soderlund+renesas@...natech.se>, linux-sh@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: allow building emev2 without slave mode again


> > My conclusion for now is:
> > 
> > There needs something to be done surely, but currently I don't have the
> > bandwidth to do it or even play around with it. I am not fully happy
> > with your patches as well because __maybe_unused has some kind of "last
> > resort" feeling to me.
> 
> I generally like __maybe_unused, but it's a matter of personal preference.
> We could avoid the __maybe_unused if the reg_slave/unreg_slave callback
> pointers are always available in struct i2c_algorithm.

Yes, I was thinking in this direction, looking at how PM does it. Needs
some playing around, though.

> Just for reference, see below for my combined patch, in case you decide
> to use that at a later point.

Thanks a lot!


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