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Re: [PATCH 2/3] Add support for monitoring gpio switches

From Martyn Welch <martyn.welch@collabora.co.uk>
Newsgroups linux.kernel
Subject Re: [PATCH 2/3] Add support for monitoring gpio switches
Date 2015-12-05 11:50 +0100
Message-ID <qCizE-8mb-11@gated-at.bofh.it> (permalink)
References <qC2uT-5Kw-37@gated-at.bofh.it> <qC2uU-5Kw-63@gated-at.bofh.it> <qC3Ki-6rY-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 04/12/15 18:57, Greg Kroah-Hartman wrote:
> On Fri, Dec 04, 2015 at 05:31:14PM +0000, Martyn Welch wrote:
>> Select Chromebooks have gpio attached to switches used to cause the
>> firmware to enter alternative modes of operation and/or control other
>> device characteristics (such as write protection on flash devices). This
>> patch adds a driver that exposes a read-only interface to allow these
>> signals to be read from user space.
>>
>> This functionality has been generalised to provide support for any device
>> with device tree support which needs to identify a gpio as being used for a
>> specific task.
>>
>> Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
>> ---
>>   drivers/misc/Kconfig       |  11 ++++
>>   drivers/misc/Makefile      |   1 +
>>   drivers/misc/gpio-switch.c | 160 +++++++++++++++++++++++++++++++++++++++++++++
>
> Why isn't this in drivers/gpio/ ?
>
> why make it a misc driver?
>

I thought all the drivers in /drivers/gpio were gpio drivers, rather 
than users of the gpio framework. Is that not the case?

Happy to move it if the consensus is that that's the correct place to 
put it.

Martyn

> thanks,
>
> greg k-h
>
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Thread

Add support for monitoring gpio switches Martyn Welch <martyn.welch@collabora.co.uk> - 2015-12-04 18:40 +0100
  [PATCH 2/3] Add support for monitoring gpio switches Martyn Welch <martyn.welch@collabora.co.uk> - 2015-12-04 18:40 +0100
    [PATCH] fix noderef.cocci warnings kbuild test robot <lkp@intel.com> - 2015-12-04 19:20 +0100
    Re: [PATCH 2/3] Add support for monitoring gpio switches kbuild test robot <lkp@intel.com> - 2015-12-04 19:20 +0100
    Re: [PATCH 2/3] Add support for monitoring gpio switches Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-04 20:00 +0100
      Re: [PATCH 2/3] Add support for monitoring gpio switches Martyn Welch <martyn.welch@collabora.co.uk> - 2015-12-05 11:50 +0100
    Re: [PATCH 2/3] Add support for monitoring gpio switches Linus Walleij <linus.walleij@linaro.org> - 2015-12-11 10:10 +0100
  [PATCH 1/3] Device tree binding documentation for gpio-switch Martyn Welch <martyn.welch@collabora.co.uk> - 2015-12-04 18:40 +0100
    Re: [PATCH 1/3] Device tree binding documentation for gpio-switch Rob Herring <robh@kernel.org> - 2015-12-07 18:40 +0100
      Re: [PATCH 1/3] Device tree binding documentation for gpio-switch Martyn Welch <martyn.welch@collabora.co.uk> - 2015-12-07 22:20 +0100
    Re: [PATCH 1/3] Device tree binding documentation for gpio-switch Linus Walleij <linus.walleij@linaro.org> - 2015-12-11 13:50 +0100
      Re: [PATCH 1/3] Device tree binding documentation for gpio-switch Rob Herring <robh+dt@kernel.org> - 2015-12-11 15:10 +0100
  [PATCH 3/3] ARM: dts: Addition of binding for gpio switches on peach-pi Martyn Welch <martyn.welch@collabora.co.uk> - 2015-12-04 18:40 +0100

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