Re: [PATCH] pinctrl-baytrail: add function mux checking in gpio pin request
From: Darren Hart
Date: Thu Mar 06 2014 - 01:57:25 EST
On 3/6/14, 5:59, "Chew Chiau Ee" <chiau.ee.chew@xxxxxxxxx> wrote:
>From: Chew, Kean Ho <kean.ho.chew@xxxxxxxxx>
>
>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 <kean.ho.chew@xxxxxxxxx>
>Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@xxxxxxxxx>
Thanks for sending this out Chiau Ee,
Reviewed-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx>
--
Darren Hart
Yocto Project - Linux Kernel
Intel Open Source Technology Center
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