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Date:	Wed, 05 Mar 2014 22:56:54 -0800
From:	Darren Hart <>
To:	Chew Chiau Ee <>,
	Linus Walleij <>
CC:	Mathias Nyman <>,
Subject: Re: [PATCH] pinctrl-baytrail: add function mux checking in gpio pin

On 3/6/14, 5:59, "Chew Chiau Ee" <> wrote:

>From: Chew, Kean Ho <>
>The requested gpio pin must has the func_pin_mux field set
>to GPIO function by BIOS/FW in advanced. Else, the gpio pin
>request would fail. This is to ensure that we do not expose
>any gpio pins which shall be used for alternate functions,
>for eg: wakeup pin, I/O interfaces for LPSS, etc.
>Signed-off-by: Chew, Kean Ho <>
>Signed-off-by: Chew, Chiau Ee <>

Thanks for sending this out Chiau Ee,

Reviewed-by: Darren Hart <>

Darren Hart
Yocto Project - Linux Kernel
Intel Open Source Technology Center

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