Hi Linus,
I guess this can go into your desired "next" branch for v3.16 where
we start landing changes for the v3.16 merge window this week if
I understand your message correctly.
There is a lot of action in the GPIO subsystem doing refactorings
and cleanups, almost as many deletions as insertions and minor
feature growth and no new drivers this time. Which is actually
pretty nice. Some GPIO-related stuff will come in through the pin
control tree as well.
I merged in v3.15-rc4 at one time to get rid of nasty conmflicts
in -next.
Fine-grained details in the signed tag as usual.
The below is well tested in linux-next and should be in real nice
shape (famous last words), so please pull it in.
Yours,
Linus Walleij
The following changes since commit 89ca3b881987f5a4be4c5dbaa7f0df12bbdde2fd:
Linux 3.15-rc4 (2014-05-04 18:14:42 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v3.16-1
for you to fetch changes up to fc346270124a1a05a5b3c47f277d467ff410b3ae:
gpio: select IRQ_DOMAIN for gpiolib irqchip helpers (2014-05-29
16:52:46 +0200)
----------------------------------------------------------------
This is the bulk of GPIO changes for the v3.16 series:
- We are finalizing and fixing up the gpiochip irqchip helpers
bringing a helpful irqchip implementation into the gpiolib
core and avoiding duplicate code and, more importantly,
duplicate bug fixes:
- Support for using the helpers with threaded interrupt
handlers as used on sleeping GPIO-irqchips
- Do not set up hardware triggers for edges or levels if
the default IRQ type is IRQ_TYPE_NONE - some drivers
would exploit the fact that you could get default
initialization of the IRQ type from the core at probe()
but if no default type is set up from the helper, we
should not call the driver to configure anything. Wait
until a consumer requests the interrupt instead.
- Make the irqchip helpers put the GPIO irqs into their
own lock class. The GPIO irqchips can often emit
(harmless, but annoying) lockdep warnings about recursions
when they are in fact just cascaded IRQs. By putting
them into their own lock class we help the lockdep core
to keep track of things.
- Switch the tc3589x GPIO expanders to use the irqchip
helpers
- Switch the OMAP GPIO driver to use the irqchip helpers
- Add some documentation for the irqchip helpers
- select IRQ_DOMAIN when using the helpers since some
platforms may not be using this by default and it's a
strict dependency.
- Continued GPIO descriptor refactoring:
- Remove the one instance of gpio_to_desc() from the
device tree code, making the OF GPIO code use GPIO
descriptors only.
- Introduce gpiod_get_optional() and
gpiod_get_optional_index() akin to the similar
regulator functions for cases where the use of GPIO
is optional and not strictly required.
- Make of_get_named_gpiod_flags() private - we do not
want to unnecessarily expose APIs to drivers that
make the gpiolib harder than necessary to maintain
and refactor. Privatize this function.
- Support "-gpio" suffix for the OF GPIO retrieveal path.
We used to look for "foo-gpios" or just "gpios" in device
tree nodes, but it turns out that some drivers with a
single GPIO line will just state "foo-gpio" (singularis).
Sigh. Support this with a fallback looking for it, as
this simplifies driver code and handles it in core code.
- Switch the ACPI GPIO core to fetch GPIOs with the
*_cansleep function variants as the GPIO operation
region handler can sleep, and shall be able to handle
gpiochips that sleep.
- Tons of cleanups and janitorial work from Jingoo Han,
Axel Lin, Javier Martinez Canillas and Abdoulaye Berthe.
Notably Jingoo cut off a ton of pointless OOM messages.
- Incremental development and fixes for various drivers,
nothing really special here.
----------------------------------------------------------------
Aaron Lu (1):
gpio / ACPI: use *_cansleep version of gpiod_get/set APIs
Alexander Shiyan (1):
gpio: ge: Convert to platform driver
Alexandre Courbot (1):
gpio: make of_get_named_gpiod_flags() private
Anthony Fee (1):
gpio: generic: add request function pointer
Arnd Bergmann (2):
gpio: always enable GPIO_OMAP on ARCH_OMAP
gpio: include linux/bug.h in interface header
Axel Lin (7):
gpio: zevio: Remove of_match_ptr around zevio_gpio_of_match
gpio: zevio: Get correct gpio output value
gpio: max730x: Remove kfree(ts) in __max730x_remove()
gpio: pl061/sx150x: Remove unneeded include of linux/workqueue.h
gpio: sch311x: Slightly refactor sch311x_detect for better readability
gpio: kempld: Fix autoloading of module
gpio: rdc321x: Convert to use devm_kzalloc
Daniel Krueger (1):
gpio-sch: set output level after configuration of direction
Ezequiel Garcia (1):
gpio: mvebu: Remove initcall-based driver initialization
Geert Uytterhoeven (2):
gpio: rcar: Add optional functional clock to bindings
gpio: rcar: Add minimal runtime PM support
George Cherian (2):
gpio: pcf857x: Avoid calling irq_domain_cleanup twice
gpio: pcf857x: Add IRQF_SHARED when request irq
Jarkko Nikula (1):
Documentation / ACPI: Fix location of GPIO documentation
Javier Martinez Canillas (9):
gpio: omap: convert to use irq_domain_add_simple()
gpio: omap: check gpiochip_add() return value
gpio: omap: add a GPIO_OMAP option instead of using ARCH_OMAP
gpio: omap: convert driver to use gpiolib irqchip
MAINTAINERS: update GPIO OMAP driver entry
gpio: em: use BIT() macro instead of shifting bits
gpio: kempld: use BIT() macro instead of shifting bits
gpio: omap: use BIT() macro instead of shifting bits
gpio: pl061: use BIT() macro instead of shifting bits
Jean Delvare (3):
gpio: timberdale: simplify dependencies
gpio-pch: Fix Kconfig dependencies
gpio: Add run-time dependencies to R-Car driver
Jingoo Han (25):
gpio: adp5520: remove unnecessary OOM messages
gpio: adp5588: remove unnecessary OOM messages
gpio: davinci: remove unnecessary OOM messages
gpio: em: remove unnecessary OOM messages
gpio: janz-ttl: remove unnecessary OOM messages
gpio: lynxpoint: remove unnecessary OOM messages
gpio: moxart: remove unnecessary OOM messages
gpio: mvebu: remove unnecessary OOM messages
gpio: palmas: remove unnecessary OOM messages
gpio: rc5t583: remove unnecessary OOM messages
gpio: rcar: remove unnecessary OOM messages
gpio: rdc321x: remove unnecessary OOM messages
gpio: SPEAr: remove unnecessary OOM messages
gpio: tegra: remove unnecessary OOM messages
gpio: tps6586x: remove unnecessary OOM messages
gpio: tps65910: remove unnecessary OOM messages
gpio: zevio: remove unnecessary OOM messages
gpio: grgpio: Make of_device_id array const
gpio: mcp23s08: Make of_device_id array const
gpio: mvebu: Make of_device_id array const
gpio: palmas: Make of_device_id array const
gpio: tegra: Make of_device_id array const
gpio: xilinx: Make of_device_id array const
gpio: zevio: Make of_device_id array const
gpio: ep93xx: Use devm_ioremap_resource()
Linus Walleij (13):
gpio: support threaded interrupts in irqchip helpers
gpio: tc3589x: use managed resources
gpio: tc3589x: get rid of static IRQ base
gpio: tc3589x: use gpiolib irqchip helpers
gpio: document gpio irqchips a bit more, describe helpers
gpio: put GPIO IRQs into their own lock class
gpiolib: of: remove gpio_to_desc() usage
gpio: do not set up hardware for IRQ_TYPE_NONE
Merge tag 'v3.15-rc4' into devel
gpio: pch: add slab include
gpio: mcp23s08: switch chip count to int
gpio: pca953x: use gpiolib irqchip helpers
gpio: select IRQ_DOMAIN for gpiolib irqchip helpers
Michael Stickel (1):
gpio: mcp23s08: fixed count variable for devicetree probing
Rajendra Nayak (1):
gpio: omap: prepare and unprepare the debounce clock
Sebastian Andrzej Siewior (2):
gpio: dwapb: drop irq_setup_generic_chip()
gpio: dwapb: use a second irq chip
Thierry Reding (5):
gpio: of: Remove unneeded dummy function
gpio: of: Allow -gpio suffix for property names
gpio: Fix gpio_get -> gpiod_get typo in kernel-doc
gpio: Add missing device-managed documentation
gpio: Add helpers for optional GPIOs
Toby Smith (2):
gpio: pca953x: return IRQ_NONE when appropriate
gpio: pca953x: request a shared interrupt
Yegor Yefremov (1):
gpio: omap: implement get_direction
abdoulaye berthe (4):
gpio: bt8xx: use devm function for memory allocation
gpio: timberdale: use devm functions
gpio: janzttl: use devm function
gpio: gpioep93xx: use devm functions
Documentation/acpi/enumeration.txt | 2 +-
.../devicetree/bindings/gpio/renesas,gpio-rcar.txt | 6 +
Documentation/driver-model/devres.txt | 7 +
Documentation/gpio/driver.txt | 59 ++++++
MAINTAINERS | 1 +
drivers/gpio/Kconfig | 20 +-
drivers/gpio/Makefile | 2 +-
drivers/gpio/devres.c | 43 +++++
drivers/gpio/gpio-adp5520.c | 4 +-
drivers/gpio/gpio-adp5588.c | 4 +-
drivers/gpio/gpio-bt8xx.c | 19 +-
drivers/gpio/gpio-davinci.c | 4 +-
drivers/gpio/gpio-dwapb.c | 38 ++--
drivers/gpio/gpio-em.c | 3 +-
drivers/gpio/gpio-ep93xx.c | 34 +---
drivers/gpio/gpio-ge.c | 174 ++++++-----------
drivers/gpio/gpio-generic.c | 9 +
drivers/gpio/gpio-grgpio.c | 2 +-
drivers/gpio/gpio-janz-ttl.c | 38 +---
drivers/gpio/gpio-kempld.c | 4 +-
drivers/gpio/gpio-lynxpoint.c | 4 +-
drivers/gpio/gpio-max730x.c | 5 +-
drivers/gpio/gpio-mcp23s08.c | 17 +-
drivers/gpio/gpio-moxart.c | 4 +-
drivers/gpio/gpio-mvebu.c | 13 +-
drivers/gpio/gpio-omap.c | 205 +++++++++++----------
drivers/gpio/gpio-palmas.c | 6 +-
drivers/gpio/gpio-pca953x.c | 102 ++++------
drivers/gpio/gpio-pcf857x.c | 11 +-
drivers/gpio/gpio-pch.c | 1 +
drivers/gpio/gpio-pl061.c | 27 ++-
drivers/gpio/gpio-rc5t583.c | 4 +-
drivers/gpio/gpio-rcar.c | 9 +-
drivers/gpio/gpio-rdc321x.c | 23 +--
drivers/gpio/gpio-sch.c | 26 ++-
drivers/gpio/gpio-sch311x.c | 16 +-
drivers/gpio/gpio-spear-spics.c | 4 +-
drivers/gpio/gpio-sx150x.c | 1 -
drivers/gpio/gpio-tc3589x.c | 148 ++++-----------
drivers/gpio/gpio-tegra.c | 6 +-
drivers/gpio/gpio-timberdale.c | 47 ++---
drivers/gpio/gpio-tps6586x.c | 4 +-
drivers/gpio/gpio-tps65910.c | 4 +-
drivers/gpio/gpio-xilinx.c | 2 +-
drivers/gpio/gpio-zevio.c | 18 +-
drivers/gpio/gpiolib-acpi.c | 5 +-
drivers/gpio/gpiolib-of.c | 16 +-
drivers/gpio/gpiolib.c | 101 ++++++++--
drivers/gpio/gpiolib.h | 5 +
include/linux/gpio/consumer.h | 41 +++++
include/linux/gpio/driver.h | 5 +-
include/linux/mfd/tc3589x.h | 1 -
include/linux/of_gpio.h | 35 +---
53 files changed, 705 insertions(+), 684 deletions(-)
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[GIT PULL] GPIO bulk changes for v3.16
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- Subject: [GIT PULL] GPIO bulk changes for v3.16
- From: Linus Walleij <linus.walleij@xxxxxxxxxx>
- Date: Mon, 2 Jun 2014 10:34:20 +0200
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