linux-kernel - Re: [PATCH] pinctrl: mxs: Use kfree to fix build error

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Date:	Mon, 18 Jun 2012 08:27:24 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	"devendra.aaru" <devendra.aaru@...il.com>
Cc:	Fabio Estevam <fabio.estevam@...escale.com>,
	shawn.guo@...escale.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: mxs: Use kfree to fix build error

On Mon, Jun 18, 2012 at 8:15 AM, devendra.aaru <devendra.aaru@...il.com> wrote:

> The pinctrl is not selectable even with make allyesconfig. is it for a
> different arch than x86?

At the request of Linus (Torvalds) machines and drivers that need pinctrl
shall select it explicitly in the Kconfig, and it's hidden for all others so
as not to confuse people and present them with strange stuff.

So currently only some ARM machines that actually use it will select it and
enable the sub-menu. But there is also a MIPS patch in the works.

> may i know which cross compiler to use to build the pinctrl subsystem :) ?

I use the prebuilt Linaro GCC toolchain:
https://launchpad.net/linaro-toolchain-binaries/+download

Put the /bin subdir in your path and e.g.:
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- mxs_defconfig
etc

Linus Walleij
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