linux-kernel - [RFC PATCH] gpio: add GPIO hogging mechanism

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Message-Id: <1387463671-1164-1-git-send-email-b.brezillon@overkiz.com>
Date:	Thu, 19 Dec 2013 15:34:30 +0100
From:	Boris BREZILLON <b.brezillon@...rkiz.com>
To:	Rob Landley <rob@...dley.net>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Jiri Prchal <jiri.prchal@...ignal.cz>,
	Ben Gamari <bgamari.foss@...il.com>,
	Mark Rutland <mark.rutland@....com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
	Boris BREZILLON <b.brezillon@...rkiz.com>
Subject: [RFC PATCH] gpio: add GPIO hogging mechanism

Hello,

This a proposal for the GPIO hog concept described by Linus (Walleij).

I know there were work in progress on this subject (Jiri and Ben at least:
https://www.mail-archive.com/linux-gpio@vger.kernel.org/msg00864.html),
so don't hesitate to point out if something similar has already been posted.

Best Regards,

Boris 

Boris BREZILLON (1):
  gpio: add GPIO hogging mechanism

 Documentation/devicetree/bindings/gpio/gpio.txt |   47 ++++++++
 drivers/base/Makefile                           |    1 +
 drivers/base/dd.c                               |    5 +
 drivers/base/gpio.c                             |   59 ++++++++++
 drivers/gpio/devres.c                           |   39 +++++++
 drivers/gpio/gpiolib-of.c                       |  134 +++++++++++++++++++++++
 drivers/gpio/gpiolib.c                          |  103 +++++++++++++++++
 include/linux/device.h                          |    5 +
 include/linux/gpio/consumer.h                   |   25 +++++
 include/linux/gpio/devinfo.h                    |   38 +++++++
 include/linux/of_gpio.h                         |   19 ++++
 11 files changed, 475 insertions(+)
 create mode 100644 drivers/base/gpio.c
 create mode 100644 include/linux/gpio/devinfo.h

-- 
1.7.9.5

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