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Message-ID: <5424F80D.9070400@intel.com>
Date: Fri, 26 Sep 2014 13:22:21 +0800
From: Aaron Lu <aaron.lu@intel.com>
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To: Linus Walleij <linus.walleij@linaro.org>
CC: Alexandre Courbot <gnurou@gmail.com>, Samuel Ortiz <sameo@linux.intel.com>,
        Lee Jones <lee.jones@linaro.org>, Arnd Bergmann <arnd@arndb.de>,
        "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
        "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Jacob Pan <jacob.jun.pan@linux.intel.com>,
        Lejun Zhu <lejun.zhu@intel.com>,
        Radivoje Jovanovic <radivoje.jovanovic@intel.com>,
        =?windows-1252?Q?Dani?= =?windows-1252?Q?el_Gl=F6ckner?= 
	<dg@emlix.com>,
        ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH v2 1/2] gpio / CrystalCove: support virtual GPIO
References: <1410229968-11638-1-git-send-email-aaron.lu@intel.com>	<1410229968-11638-2-git-send-email-aaron.lu@intel.com>	<CACRpkdaJjqs9WNcVvjsSWhzLD2QpcyR11MVm4xhm4GqB28eOCA@mail.gmail.com>	<54238496.70505@intel.com> <CACRpkdYeOfsx-PpEKaJY14sUqQ2VRiNmXnn_m-mrMzpBtcuBpg@mail.gmail.com>
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On 09/25/2014 09:16 PM, Linus Walleij wrote:
> On Thu, Sep 25, 2014 at 4:57 AM, Aaron Lu <aaron.lu@intel.com> wrote:
> 
>> The virtual GPIO introduced in ACPI table of Baytrail-T based system is
>> used to solve a problem under Windows. We do not have such problems
>> under Linux so we do not actually need them. But we have to tell GPIO
>> library that the Crystal Cove GPIO chip has this many GPIO pins or the
>> common GPIO handler will refuse any access to those high number GPIO
>> pins, which will resulted in a failure evaluation of every ACPI control
>> method that is used to turn on/off power resource and/or report sensor
>> temperatures.
>>
>> Signed-off-by: Aaron Lu <aaron.lu@intel.com>
>> ---
>> v2: remove the hunk to increase NR_GPIO to 512.
> 
> Patch applied with Mika's ACK, also renumbered 0x5e to 94.

Thanks for taking care of this.

Regards,
Aaron

> 
> Yours,
> Linus Walleij
>