From: Darren Hart <dvhart@linux.intel.com>
To: Chew Chiau Ee <chiau.ee.chew@intel.com>,
Linus Walleij <linus.walleij@linaro.org>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] pinctrl-baytrail: add function mux checking in gpio pin request
Date: Wed, 05 Mar 2014 22:56:54 -0800 [thread overview]
Message-ID: <CF3D5ADF.74A62%dvhart@linux.intel.com> (raw)
In-Reply-To: <1394114389-27106-1-git-send-email-chiau.ee.chew@intel.com>
On 3/6/14, 5:59, "Chew Chiau Ee" <chiau.ee.chew@intel.com> wrote:
>From: Chew, Kean Ho <kean.ho.chew@intel.com>
>
>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@intel.com>
>Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Thanks for sending this out Chiau Ee,
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
--
Darren Hart
Yocto Project - Linux Kernel
Intel Open Source Technology Center
next prev parent reply other threads:[~2014-03-06 6:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-06 13:59 [PATCH] pinctrl-baytrail: add function mux checking in gpio pin request Chew Chiau Ee
2014-03-06 6:56 ` Darren Hart [this message]
2014-03-11 10:27 ` Linus Walleij
2014-03-11 10:36 ` Mika Westerberg
2014-03-11 11:48 ` Mathias Nyman
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