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Date: Fri, 8 Aug 2014 11:36:23 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
Alexandre Courbot <gnurou@...il.com>,
abdoulaye berthe <berthe.ab@...il.com>
Subject: [GIT PULL] GPIO bulk changes for v3.17
Hi Linus,
here is the bulk of GPIO changes for the v3.17 cycle. This time around
there is some action happening, and we will continue in v3.18. It is
mostly cleanup and refactoring as Alexandre, Abdoulaye and I are
working in parallell on cleanups, and then a single new driver.
Please pull it in!
Yours,
Linus Walleij
The following changes since commit 7171511eaec5bf23fb06078f59784a3a0626b38f:
Linux 3.16-rc1 (2014-06-15 17:45:28 -1000)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v3.17-1
for you to fetch changes up to bdc6e95e1273b5cef01590273c1a240c53ceeea0:
MAINTAINERS: update GPIO include files (2014-08-07 11:56:06 +0200)
----------------------------------------------------------------
This is the bulk of GPIO changes for the v3.17 development
cycle, and this time we got a lot of action going on and
it will continue:
- The core GPIO library implementation has been split up in
three different files:
- gpiolib.c for the latest and greatest and shiny GPIO
library code using GPIO descriptors only
- gpiolib-legacy.c for the old integer number space API
that we are phasing out gradually
- gpiolib-sysfs.c for the sysfs interface that we are
not entirely happy with, but has to live on for
ABI compatibility
- Add a flags argument to *gpiod_get* functions, with some
backward-compatibility macros to ease transitions. We
should have had the flags there from the beginning it
seems, now we need to clean up the mess. There is a plan
on how to move forward here devised by Alexandre Courbot
and Mark Brown.
- Split off a special <linux/gpio/machine.h> header for the
board gpio table registration, as per example from the
regulator subsystem.
- Start to kill off the return value from gpiochip_remove()
by removing the __must_check attribute and removing all
checks inside the drivers/gpio directory. The rationale
is: well what were we supposed to do if there is an error
code? Not much: print an error message. And gpiolib already
does that. So make this function return void eventually.
- Some cleanups of hairy gpiolib code, make some functions
not to be used outside the library private and make sure
they are not exported, remove gpiod_lock/unlock_as_irq()
as the existing function is for driver-internal use and
fine as it is, delete gpio_ensure_requested() as it is
not meaningful anymore.
- Support the GPIOF_ACTIVE_LOW flag from gpio_request_one()
function calls, which is logical since this is already
supported when referencing GPIOs from e.g. device trees.
- Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use
the gpiolib irqchip helpers cutting down on GPIO irqchip
boilerplate a bit more.
- New driver for the Zynq GPIO block.
- The usual incremental improvements around a bunch of
drivers.
- Janitorial syntactic and semantic cleanups by Jingoo Han,
and Rickard Strandqvist especially.
----------------------------------------------------------------
Alexandre Courbot (13):
gpio: always compile label support
gpio: move sysfs support to its own file
gpio: move integer GPIO support to its own file
gpio: remove export of private of_get_named_gpio_flags()
gpio: simplify gpiochip_export()
gpio: make gpiochip_get_desc() gpiolib-private
gpio: remove gpiod_lock/unlock_as_irq()
gpio: move gpio_ensure_requested() into legacy C file
gpio: remove useless check in gpiolib_sysfs_init()
gpio: remove gpio_ensure_requested()
gpio: add flags argument to gpiod_get*() functions
gpio: add missing includes in machine.h
MAINTAINERS: update GPIO include files
Andrew Ruder (1):
gpio-pxa: gpio0 and gpio1 support on dt
Guenter Roeck (2):
gpio: Add support for GPIOF_ACTIVE_LOW to gpio_request_one functions
gpiolib: Export gpiochip_request_own_desc and gpiochip_free_own_desc
Harini Katakam (2):
gpio: Add driver for Zynq GPIO controller
devicetree: Add Zynq GPIO devicetree bindings documentation
Javier Martinez Canillas (3):
gpio: omap: Remove unnecessary lockdep class
gpio: omap: Remove unneeded include
gpio: omap: Add an omap prefix to all functions
Jingoo Han (2):
gpio: lpc32xx: Make of_device_id array const
gpio: pxa: Make of_device_id array const
Jürg Billeter (1):
gpio: rcar: clamp returned value to [0,1]
Lars-Peter Clausen (1):
gpio: zynq: Clear pending interrupt when enabling a IRQ
Linus Walleij (5):
gpio: stmpe: switch to use gpiolib irqchip helpers
gpio: intel-mid: switch to using gpiolib irqchip helpers
gpio: vr41xx: fix up errorpath on probe()
gpio: drop retval check enforcing from gpiochip_remove()
gpio: split gpiod board registration into machine header
Mika Westerberg (2):
gpio: lynxpoint: Convert to use gpiolib irqchip
gpio / ACPI: Move event handling registration to gpiolib irqchip helpers
Rickard Strandqvist (2):
gpio: gpio-twl4030.c: Cleaning up null pointer checks that could
never happen
gpio: gpio-ucb1400.c: Cleaning up null pointer checks that could
never happen
Sachin Kamat (1):
MAINTAINERS: Update Samsung pin control entry
Tushar Behera (1):
gpiolib: of: Update debug messages for of_get_named_gpiod_flags
abdoulaye berthe (1):
gpio: remove all usage of gpio_remove retval in driver/gpio
.../devicetree/bindings/gpio/gpio-zynq.txt | 26 +
Documentation/gpio/board.txt | 2 +-
Documentation/gpio/consumer.txt | 26 +-
Documentation/gpio/driver.txt | 25 +-
MAINTAINERS | 7 +-
arch/arm/mach-at91/at91rm9200_devices.c | 2 +-
arch/arm/mach-tegra/board-paz00.c | 2 +-
arch/mips/jz4740/board-qi_lb60.c | 1 +
drivers/gpio/Kconfig | 10 +-
drivers/gpio/Makefile | 3 +
drivers/gpio/devres.c | 40 +-
drivers/gpio/gpio-74x164.c | 8 +-
drivers/gpio/gpio-adnp.c | 9 +-
drivers/gpio/gpio-adp5520.c | 8 +-
drivers/gpio/gpio-adp5588.c | 6 +-
drivers/gpio/gpio-amd8111.c | 3 +-
drivers/gpio/gpio-arizona.c | 3 +-
drivers/gpio/gpio-cs5535.c | 8 +-
drivers/gpio/gpio-da9052.c | 3 +-
drivers/gpio/gpio-da9055.c | 3 +-
drivers/gpio/gpio-dwapb.c | 2 +-
drivers/gpio/gpio-em.c | 5 +-
drivers/gpio/gpio-f7188x.c | 18 +-
drivers/gpio/gpio-generic.c | 3 +-
drivers/gpio/gpio-grgpio.c | 4 +-
drivers/gpio/gpio-ich.c | 9 +-
drivers/gpio/gpio-intel-mid.c | 86 +-
drivers/gpio/gpio-it8761e.c | 6 +-
drivers/gpio/gpio-janz-ttl.c | 8 +-
drivers/gpio/gpio-kempld.c | 3 +-
drivers/gpio/gpio-lp3943.c | 3 +-
drivers/gpio/gpio-lpc32xx.c | 2 +-
drivers/gpio/gpio-lynxpoint.c | 98 +-
drivers/gpio/gpio-max730x.c | 13 +-
drivers/gpio/gpio-max732x.c | 7 +-
drivers/gpio/gpio-mc33880.c | 11 +-
drivers/gpio/gpio-mc9s08dz60.c | 3 +-
drivers/gpio/gpio-mcp23s08.c | 26 +-
drivers/gpio/gpio-ml-ioh.c | 8 +-
drivers/gpio/gpio-msm-v2.c | 5 +-
drivers/gpio/gpio-mxc.c | 2 +-
drivers/gpio/gpio-octeon.c | 3 +-
drivers/gpio/gpio-omap.c | 275 ++--
drivers/gpio/gpio-palmas.c | 3 +-
drivers/gpio/gpio-pca953x.c | 7 +-
drivers/gpio/gpio-pcf857x.c | 4 +-
drivers/gpio/gpio-pch.c | 10 +-
drivers/gpio/gpio-pxa.c | 7 +-
drivers/gpio/gpio-rc5t583.c | 3 +-
drivers/gpio/gpio-rcar.c | 9 +-
drivers/gpio/gpio-rdc321x.c | 7 +-
drivers/gpio/gpio-sch.c | 16 +-
drivers/gpio/gpio-sch311x.c | 6 +-
drivers/gpio/gpio-sodaville.c | 4 +-
drivers/gpio/gpio-stmpe.c | 119 +-
drivers/gpio/gpio-sx150x.c | 7 +-
drivers/gpio/gpio-syscon.c | 3 +-
drivers/gpio/gpio-tb10x.c | 5 +-
drivers/gpio/gpio-tc3589x.c | 8 +-
drivers/gpio/gpio-timberdale.c | 5 +-
drivers/gpio/gpio-tps6586x.c | 3 +-
drivers/gpio/gpio-tps65910.c | 3 +-
drivers/gpio/gpio-tps65912.c | 3 +-
drivers/gpio/gpio-ts5500.c | 6 +-
drivers/gpio/gpio-twl4030.c | 6 +-
drivers/gpio/gpio-twl6040.c | 3 +-
drivers/gpio/gpio-ucb1400.c | 4 +-
drivers/gpio/gpio-viperboard.c | 10 +-
drivers/gpio/gpio-vr41xx.c | 8 +-
drivers/gpio/gpio-vx855.c | 3 +-
drivers/gpio/gpio-wm831x.c | 3 +-
drivers/gpio/gpio-wm8350.c | 3 +-
drivers/gpio/gpio-wm8994.c | 3 +-
drivers/gpio/gpio-zynq.c | 692 ++++++++++
drivers/gpio/gpiolib-acpi.c | 44 +-
drivers/gpio/gpiolib-legacy.c | 102 ++
drivers/gpio/gpiolib-of.c | 10 +-
drivers/gpio/gpiolib-sysfs.c | 827 ++++++++++++
drivers/gpio/gpiolib.c | 1421 +++-----------------
drivers/gpio/gpiolib.h | 105 +-
include/asm-generic/gpio.h | 3 -
include/linux/gpio/consumer.h | 81 +-
include/linux/gpio/driver.h | 66 +-
include/linux/gpio/machine.h | 61 +
84 files changed, 2485 insertions(+), 2003 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-zynq.txt
create mode 100644 drivers/gpio/gpio-zynq.c
create mode 100644 drivers/gpio/gpiolib-legacy.c
create mode 100644 drivers/gpio/gpiolib-sysfs.c
create mode 100644 include/linux/gpio/machine.h
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