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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Linus Walleij <linus.walleij@linaro.org>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linus Walleij <linus.walleij@stericsson.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, Felipe Balbi <balbi@ti.com>,
	Benoit Cousson <b-cousson@ti.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Mitch Bradley <wmb@firmworks.com>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Rickard Andersson <rickard.andersson@stericsson.com>,
	Russell King <linux@arm.linux.org.uk>
Subject: Re: [PATCH] drivers/pinctrl: grab default handles from device core
Date: Wed, 12 Dec 2012 23:26:59 +0100	[thread overview]
Message-ID: <10768446.F2JLuVrZNU@vostro.rjw.lan> (raw)
In-Reply-To: <CACRpkdbCuTAwqFVWkb7bx7_OAX_0PU8TjjbS879Ui30bdxXkQg@mail.gmail.com>

On Wednesday, December 12, 2012 08:56:41 PM Linus Walleij wrote:
> On Tue, Dec 11, 2012 at 7:13 PM, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> > On Tue, Dec 11, 2012 at 02:40:46PM +0100, Linus Walleij wrote:
> >> diff --git a/include/linux/device.h b/include/linux/device.h
> 
> >> +#ifdef CONFIG_PINCTRL
> >> +     struct dev_pin_info     pins;
> >> +#endif
> >
> > Can't you just make this a * to the structure, saving a bit of space for
> > those that don't use this structure?  Ok, it's only saving one pointer,
> > so it's really not a big deal to me if you don't want to do this, just
> > asking...
> 
> OK I'll look into it.

I wonder if you could use a struct that will be empty if CONFIG_PINCTRL is
unset instead of using #ifdef around the field like this?  [Kind of along the
lines of what I did for ACPI.]

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

      reply	other threads:[~2012-12-12 22:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-11 13:40 Linus Walleij
2012-12-11 18:13 ` Greg Kroah-Hartman
2012-12-12 11:58   ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-12 19:58     ` Linus Walleij
2012-12-12 19:56   ` Linus Walleij
2012-12-12 22:26     ` Rafael J. Wysocki [this message]

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