[GIT PULL] GPIO changes for the v4.4 kernel cycle

From: Linus Walleij
Date: Mon Nov 02 2015 - 05:49:39 EST

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Hi Linus,

here is the bulk of GPIO changes for the v4.4 development cycle.
The details are in the signed tag as usual.

The only changes hitting outside drivers/gpio are in the pin control
subsystem and these seem to have settled nicely in linux-next.

Development mistakes and catfights are nicely documented in the
reverts as you can see. The outcome of the ABI fight is that we're
working on a chardev ABI for GPIO now, where hope to show results
for the v4.5 kernel.

Please pull it in!

Yours,
Linus Walleij

The following changes since commit 1f93e4a96c9109378204c147b3eec0d0e8100fde:

Linux 4.3-rc2 (2015-09-20 14:32:34 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v4.4-1

for you to fetch changes up to 0963670aeaec2287aa263daa0d41384d4dcd5292:

gpio: fix up SPI submenu (2015-11-01 10:50:19 +0100)

----------------------------------------------------------------
This is the bulk of GPIO changes for v4.4:

GPIO core:
- Define and handle flags for open drain/open collector
and open source/open emitter, also know as "single-ended"
configurations.
- Generic request/free operations that handle calling out
to the (optional) pin control backend.
- Some refactoring related to an ABI change that did not
happen, yet provide useful.
- Added a real-time compliance checklist. Many GPIO chips
have irqchips, and need to think this over with the RT
patches going upstream.
- Restructure, fix and clean up Kconfig menus a bit.

New drivers:
- New driver for AMD Promony.
- New driver for ACCES 104-IDIO-16, a port-mapped I/O
card, ISA-style. Very retro.

Subdriver changes:
- OMAP changes to handle real time requirements.
- Handle trigger types for edge and level IRQs on PL061
properly. As this hardware is very common it needs to
set a proper example for others to follow.
- Some container_of() cleanups.
- Delete the unused MSM driver in favor of the driver that
is embedded inside the pin control driver.
- Cleanup of the ath79 GPIO driver used by many, many
OpenWRT router targets.
- A consolidated IT87xx driver replacing the earlier
very specific IT8761e driver.
- Handle the TI TCA9539 in the PCA953x driver. Also
handle ACPI devices in this subdriver.
- Drop xilinx arch dependencies as these FPGAs seem to
profilate over a few different architectures. MIPS and
ARM come to mind.

----------------------------------------------------------------
Alban Bedel (2):
gpio: ath79: Convert to the state container design pattern
gpio: MAINTAINERS: Add an entry for the ATH79 GPIO driver

Andy Shevchenko (2):
gpio: pca953x: store driver_data for future use
gpio: pca953x: support ACPI devices found on Galileo Gen2

Dan Carpenter (1):
gpio: pl061: returning with lock held in pl061_irq_type()

Diego Elio PettenÃ (1):
gpio: add GPIO support for IT87xx, replacing gpio-it8761e

Dirk Behme (1):
gpio: gpiolib: don't compare an unsigned for >= 0

Grygorii Strashko (4):
gpio: omap: move pm runtime in irq_chip.irq_bus_lock/sync_unlock
gpio: omap: convert to use generic irq handler
gpio: omap: fix static checker warning
gpio: add a real time compliance notes

Guenter Roeck (1):
gpio: generic: Revert to old error handling in bgpio_map

Heiner Kallweit (3):
gpio: generic: improve error handling in bgpio_map
gpio: generic: modernize remapping
gpio: generic: use error pointers

Jonas Gorski (5):
gpiolib: provide generic request/free implementations
gpio: replace trivial implementations of request/free with generic one
gpio: gpio-xz: use the generic request/free implementations
gpio: pl061: use the generic request/free implementations
pinctrl: replace trivial implementations of gpio_chip request/free

Julia Lawall (1):
gpio: max730x: eliminate double free

Kamlakant Patel (1):
gpio: xlp: Convert to use gpiolib irqchip helpers

Laurent Pinchart (2):
gpiolib: Split GPIO flags parsing and GPIO configuration
gpiolib: Add and use OF_GPIO_SINGLE_ENDED flag

Linus Walleij (17):
gpio: keep the GPIO line names internal
gpio: pl061: detail IRQ trigger handling
gpio: etraxfs: use container_of() to get state container
gpio: altera: use container_of() to get state container
gpio: sx150x: use container_of() to get state container
gpio: vf610: use container_of() to get state container
gpio: zynq: use container_of() to get state container
gpio: add DT bindings for existing consumer flags
Revert "gpio-sysfs: Use gpio descriptor name instead of gpiochip
names array"
gpio: pl061: assign the apropriate handler for irqs
gpio: add a real time compliance checklist
Revert "gpio: add a real time compliance checklist"
gpio: group port-mapped I/O drivers in a menu
gpio: dt-bindings: document the official use of "ngpios"
gpio: drop surplus X86 dependencies
gpio: drop surplus I2C dependencies
gpio: fix up SPI submenu

Markus Pargmann (5):
gpiolib-of: Rename gpio_hog functions to be generic
gpio: Introduce gpio descriptor 'name'
gpiolib: Use GPIO name from names array for gpio descriptor
gpio-sysfs: Use gpio descriptor name instead of gpiochip names array
gpiolib: Add gpio name information to /sys/kernel/debug/gpio

Mika Westerberg (1):
gpio / ACPI: Allow shared GPIO event to be read via operation region

Nicholas Krause (1):
gpio: Fix error checking in the function device_pca957x_init

Richard Fitzgerald (1):
gpio: arizona: add support for WM8998 and WM1814

Soren Brinkmann (2):
gpio: xilinx: Drop architecture dependencies
gpio: zynq: Document interrupt-controller DT binding

Stephen Boyd (1):
gpio: msm: Remove unused driver

Thierry Reding (1):
gpio: pca953x: Add TI TCA9539 support

William Breathitt Gray (2):
gpio: Add GPIO support for the ACCES 104-IDIO-16
gpio: Add ACCES 104-IDIO-16 driver maintainer entry

YD Tseng (1):
gpio: driver for AMD Promontory

Zubair Lutfullah Kakakhel (1):
gpio/xilinx: enable for MIPS

.../devicetree/bindings/gpio/gpio-msm.txt | 26 --
.../devicetree/bindings/gpio/gpio-pca953x.txt | 1 +
.../devicetree/bindings/gpio/gpio-zynq.txt | 9 +
Documentation/devicetree/bindings/gpio/gpio.txt | 41 +-
Documentation/gpio/driver.txt | 80 ++++
MAINTAINERS | 14 +
drivers/gpio/Kconfig | 196 ++++-----
drivers/gpio/Makefile | 5 +-
drivers/gpio/gpio-104-idio-16.c | 216 ++++++++++
drivers/gpio/gpio-altera.c | 15 +-
drivers/gpio/gpio-amdpt.c | 261 ++++++++++++
drivers/gpio/gpio-arizona.c | 2 +
drivers/gpio/gpio-ath79.c | 119 +++---
drivers/gpio/gpio-etraxfs.c | 23 +-
drivers/gpio/gpio-generic.c | 58 +--
drivers/gpio/gpio-it87.c | 411 +++++++++++++++++++
drivers/gpio/gpio-it8761e.c | 230 -----------
drivers/gpio/gpio-lpc18xx.c | 14 +-
drivers/gpio/gpio-max730x.c | 1 -
drivers/gpio/gpio-moxart.c | 14 +-
drivers/gpio/gpio-msm-v2.c | 453 ---------------------
drivers/gpio/gpio-mvebu.c | 14 +-
drivers/gpio/gpio-omap.c | 82 ++--
drivers/gpio/gpio-pca953x.c | 45 +-
drivers/gpio/gpio-pl061.c | 112 +++--
drivers/gpio/gpio-sx150x.c | 31 +-
drivers/gpio/gpio-tb10x.c | 14 +-
drivers/gpio/gpio-tz1090-pdc.c | 14 +-
drivers/gpio/gpio-vf610.c | 43 +-
drivers/gpio/gpio-xlp.c | 21 +-
drivers/gpio/gpio-zx.c | 28 +-
drivers/gpio/gpio-zynq.c | 32 +-
drivers/gpio/gpiolib-acpi.c | 21 +-
drivers/gpio/gpiolib-legacy.c | 8 +-
drivers/gpio/gpiolib-of.c | 20 +-
drivers/gpio/gpiolib.c | 175 ++++++--
drivers/gpio/gpiolib.h | 3 +
drivers/pinctrl/bcm/pinctrl-bcm2835.c | 14 +-
drivers/pinctrl/intel/pinctrl-cherryview.c | 14 +-
drivers/pinctrl/intel/pinctrl-intel.c | 14 +-
drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 14 +-
drivers/pinctrl/nomadik/pinctrl-abx500.c | 18 +-
drivers/pinctrl/nomadik/pinctrl-nomadik.c | 22 +-
drivers/pinctrl/pinctrl-adi2.c | 14 +-
drivers/pinctrl/pinctrl-as3722.c | 14 +-
drivers/pinctrl/pinctrl-at91.c | 26 +-
drivers/pinctrl/pinctrl-coh901.c | 22 +-
drivers/pinctrl/pinctrl-digicolor.c | 14 +-
drivers/pinctrl/pinctrl-pistachio.c | 14 +-
drivers/pinctrl/pinctrl-rockchip.c | 14 +-
drivers/pinctrl/pinctrl-st.c | 14 +-
drivers/pinctrl/pinctrl-xway.c | 18 +-
drivers/pinctrl/qcom/pinctrl-msm.c | 16 +-
drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 14 +-
drivers/pinctrl/qcom/pinctrl-spmi-mpp.c | 14 +-
drivers/pinctrl/samsung/pinctrl-samsung.c | 14 +-
drivers/pinctrl/sunxi/pinctrl-sunxi.c | 14 +-
drivers/pinctrl/vt8500/pinctrl-wmt.c | 14 +-
include/dt-bindings/gpio/gpio.h | 12 +
include/linux/gpio/consumer.h | 1 +
include/linux/gpio/driver.h | 3 +
include/linux/of_gpio.h | 1 +
62 files changed, 1728 insertions(+), 1473 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-msm.txt
create mode 100644 drivers/gpio/gpio-104-idio-16.c
create mode 100644 drivers/gpio/gpio-amdpt.c
create mode 100644 drivers/gpio/gpio-it87.c
delete mode 100644 drivers/gpio/gpio-it8761e.c
delete mode 100644 drivers/gpio/gpio-msm-v2.c
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Next message: Andrzej Hajda: "Re: [RFC v2 5/5] drm/dsi: Get DSI host by DT device node"
Previous message: Thomas Gleixner: "[GIT pull] irq updates for 4.4"
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