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From: Grant Likely <grant.likely@secretlab.ca>
Date: Thu, 11 Jan 2018 19:56:01 +0000
Message-ID: <CACxGe6uJNEeDno4w84fCXQ103dKKysy+dyEvV2=QrL5YHNrEtQ@mail.gmail.com>
Subject: Re: [PATCH 2/3] dt-bindings: pinctrl: Add a ngpios-ranges property
To: Timur Tabi <timur@codeaurora.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
        Stephen Boyd <sboyd@codeaurora.org>,
        Rob Herring <robh+dt@kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        linux-arm-msm@vger.kernel.org,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        linux-gpio@vger.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>
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Sender: linux-kernel-owner@vger.kernel.org

On Thu, Jan 11, 2018 at 4:36 PM, Timur Tabi <timur@codeaurora.org> wrote:
> On 01/11/2018 10:33 AM, Grant Likely wrote:
>>
>> What level of access control is implemented here? Is there access
>> control for each GPIO individually, or is it done by banks of GPIOs?
>> Just asking to make sure I understand the problem domain.
>
>
> On our ACPI system, it's specific GPIOs.  Each GPIO is in its own 64k page,
> which is what allows us to block specific ones.

Okay, thanks.

g.

>
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