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Subject[GIT PULL] Bulk GPIO changes for v4.17
Hi Linus,

here is the major slew of GPIO changes for v4.17.

Some things to notice:

- I merged in v4.16-rc5 to get rid of a really nasty merge
conflict that was making it hard to rebuild linux-next, and
this happened due to a big fix in the Renesas R-Car driver
collding with ongoing development.

- There is a series of ISA_BUS_API changes that ended up
getting queued in my tree. Most of them have proper ACKs
and they have been tested throughly in linux-next.
These patches finally split ISA_BUS and ISA_BUS_API
apart as I understand it, as there are devices using
port-mapped I/O but not strictly speaking using any ISA
bus. So the ISA_BUS and the ISA_BUS_API are two
things. The most notable effect of ISA_BUS_API is that
it compiles drivers/base/isa.c so that we get device driver
core infrastructure for these devices. The ISA bus was merged
in 2006 (a5117ba7da37) and was used for sound cards and
watchdog, but only recently William started
to use it for his industrial data acquisition cards and he's found
a bit of problems that are now (hopefully) finally fixed up.
Any questions: William Breathitt Gray is on the CC for this
pull request to answer them.

Any other details are in the signed tag.

Please pull it in!

Yours,
Linus Walleij


The following changes since commit 0c8efd610b58cb23cefdfa12015799079aef94ae:

Linux 4.16-rc5 (2018-03-11 17:25:09 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v4.17-1

for you to fetch changes up to 348f3cde84ab5b1f53cd3c0eaac1ca99a4dcb148:

gpio: Add Spreadtrum PMIC EIC driver support (2018-03-27 15:51:22 +0200)

----------------------------------------------------------------
This is the bulk of GPIO changes for the v4.17 kernel cycle:

New drivers:

- Nintendo Wii GameCube GPIO, known as "Hollywood"

- Raspberry Pi mailbox service GPIO expander

- Spreadtrum main SC9860 SoC and IEC GPIO controllers.

Improvements:

- Implemented .get_multiple() callback for most of the
high-performance industrial GPIO cards for the ISA bus.

- ISA GPIO drivers now select the ISA_BUS_API instead of
depending on it. This is merged with the same pattern
for all the ISA drivers and some other Kconfig cleanups
related to this.

Cleanup:

- Delete the TZ1090 GPIO drivers following the deletion of
this SoC from the ARM tree.

- Move the documentation over to driver-api to conform with
the rest of the kernel documentation build.

- Continue to make the GPIO drivers include only
<linux/gpio/driver.h> and not the too broad <linux/gpio.h>
that we want to get rid of.

- Managed to remove VLA allocation from two drivers pending
more fixes in this area for the next merge window.

- Misc janitorial fixes.

----------------------------------------------------------------
Anders Roxell (1):
tools/gpio/gpio-event-mon: fix warning

Arnd Bergmann (1):
gpio: raspberrypi-ext: fix firmware dependency

Axel Lin (1):
gpio: tegra: Convert to use DEFINE_SHOW_ATTRIBUTE macro

Baolin Wang (5):
dt-bindings: gpio: Add Spreadtrum GPIO controller documentation
gpio: Add GPIO driver for Spreadtrum SC9860 platform
dt-bindings: gpio: Add Spreadtrum EIC controller documentation
gpio: Add Spreadtrum EIC driver support
gpio: Add Spreadtrum PMIC EIC driver support

Bartosz Golaszewski (1):
gpio: mockup: fix a potential crash when creating debugfs entries

Baruch Siach (3):
soc: bcm2835: sync firmware properties with downstream
dt-bindings: gpio: add raspberry pi GPIO expander binding
gpio: raspberrypi-exp: explain Kconfig dependency

Dave Stevenson (1):
gpio: raspberrypi-exp: Driver for RPi3 GPIO expander via mailbox service

David Lechner (1):
gpio: davinci: add support for pinmux gpio ranges

H. Nikolaus Schaller (1):
gpio: pca953x: add compatibility for pcal6524 and pcal9555a

Hien Dang (1):
gpio: gpio-rcar: Support S2RAM

James Hogan (1):
gpio: Drop TZ1090 drivers

Jonathan Neuschäfer (10):
dt-bindings: gpio: Add binding for Wii GPIO controller
gpio: Add GPIO driver for Nintendo Wii
MAINTAINERS: GPIO: Add Documentation/driver-api/gpio/
Documentation: driver-api: Move gpio.rst to gpio/index.rst
Documentation: gpio: Move introduction to driver-api
Documentation: gpio: Move driver documentation to driver-api
Documentation: gpio: Move legacy documentation to driver-api
Documentation: gpio: Move gpiod_* consumer documentation to driver-api
Documentation: gpio: Move GPIO mapping documentation to driver-api
Documentation: gpio: Move drivers-on-gpio.txt to driver-api

Laura Abbott (2):
gpio: Remove VLA from MAX3191X driver
gpio: Remove VLA from xra1403 driver

Linus Walleij (20):
gpio: ftgpio010: Fix some more registers
gpio: include consumer header in gpiolib.h
gpio: dwapb: Use "stride" rather than "size" for register distance
gpio: dwapb: Call directly into the gpiochip to read value
gpio: mockup: Update Bamvors mail address
Merge tag 'v4.16-rc5' into devel
gpio: dln2: Include proper header
gpio: ge: Drop of_gpio.h include
gpio: em: Use the right include
gpio: ftgpio010: Drop of_gpio.h include
gpio: grgpio: Include the right header
gpio: htc-gpio: Include the right header
gpio: ich: Include the right header
gpio: ich: Use BIT() macro
gpio: it87: Include the right header
gpio: janz-ttl: Include the right header
gpio: janz-ttl: Use BIT() macro
gpio: kempld: Include the right header
gpio: ks8695: Include the right header
Merge branch 'gpio-reserved-ranges' into devel

Maciej S. Szmigiero (1):
Revert "gpio: winbond: fix ISA_BUS_API dependency"

Markus Elfring (8):
gpio-wm831x: Use seq_putc() in wm831x_gpio_dbg_show()
gpio: timberdale: Delete an error message
gpio: timberdale: Improve a size determination
gpio: omap: Delete an error message
gpio: omap: Improve a size determination
gpio-ml-ioh: Delete an error message
gpio: merrifield: Delete an error message
gpio-intel-mid: Delete an error message

Phil Edworthy (1):
gpio: dwapb: Add support for a bus clock

Rajmohan Mani (1):
gpio: tps68470: Update to SPDX license identifier

Stephen Boyd (5):
dt-bindings: gpio: Add a gpio-reserved-ranges property
gpiolib: Extract mask allocation into subroutine
gpiolib: Change bitmap allocation to kmalloc_array
gpiolib: Support 'gpio-reserved-ranges' property
pinctrl: qcom: Don't allow protected pins to be requested

Wang Dongsheng (1):
gpiolib: friendly debug information for consumer

Wei Yongjun (1):
gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe()

William Breathitt Gray (12):
iio: Change ISA_BUS_API dependency to selection
watchdog: Change ISA_BUS_API dependency to selection
gpio: Change ISA_BUS_API dependency to selection
isa: Remove ISA_BUS_API selection for ISA_BUS
pc104: Add EXPERT dependency for PC104 Kconfig option
gpio: 104-idio-16: Implement get_multiple callback
gpio: pci-idio-16: Implement get_multiple callback
gpio: pcie-idio-24: Implement get_multiple/set_multiple callbacks
gpio: 104-dio-48e: Implement get_multiple callback
gpio: 104-idi-48: Implement get_multiple callback
gpio: gpio-mm: Implement get_multiple callback
gpio: ws16c48: Implement get_multiple callback

.../devicetree/bindings/gpio/gpio-eic-sprd.txt | 97 ++++
.../devicetree/bindings/gpio/gpio-pca953x.txt | 2 +
.../devicetree/bindings/gpio/gpio-sprd.txt | 28 +
.../devicetree/bindings/gpio/gpio-tz1090-pdc.txt | 45 --
.../devicetree/bindings/gpio/gpio-tz1090.txt | 88 ---
Documentation/devicetree/bindings/gpio/gpio.txt | 7 +-
.../bindings/gpio/nintendo,hollywood-gpio.txt | 27 +
.../bindings/gpio/raspberrypi,firmware-gpio.txt | 30 +
.../devicetree/bindings/powerpc/nintendo/wii.txt | 9 +-
.../{gpio/board.txt => driver-api/gpio/board.rst} | 39 +-
.../consumer.txt => driver-api/gpio/consumer.rst} | 85 +--
.../driver.txt => driver-api/gpio/driver.rst} | 80 +--
.../gpio/drivers-on-gpio.rst} | 1 +
.../driver-api/{gpio.rst => gpio/index.rst} | 21 +-
.../{gpio/gpio.txt => driver-api/gpio/intro.rst} | 9 +-
.../gpio-legacy.txt => driver-api/gpio/legacy.rst} | 68 ++-
Documentation/driver-api/index.rst | 2 +-
Documentation/gpio/00-INDEX | 13 -
Documentation/gpio/sysfs.txt | 5 +-
MAINTAINERS | 3 +-
arch/x86/Kconfig | 10 +-
drivers/gpio/Kconfig | 75 ++-
drivers/gpio/Makefile | 7 +-
drivers/gpio/gpio-104-dio-48e.c | 47 ++
drivers/gpio/gpio-104-idi-48.c | 47 ++
drivers/gpio/gpio-104-idio-16.c | 15 +
drivers/gpio/gpio-ath79.c | 2 +
drivers/gpio/gpio-davinci.c | 6 +
drivers/gpio/gpio-dln2.c | 7 +-
drivers/gpio/gpio-dwapb.c | 81 ++-
drivers/gpio/gpio-eic-sprd.c | 606 +++++++++++++++++++++
drivers/gpio/gpio-em.c | 2 +-
drivers/gpio/gpio-ftgpio010.c | 7 +-
drivers/gpio/gpio-ge.c | 1 -
drivers/gpio/gpio-gpio-mm.c | 47 ++
drivers/gpio/gpio-grgpio.c | 3 +-
drivers/gpio/gpio-hlwd.c | 115 ++++
drivers/gpio/gpio-htc-egpio.c | 1 +
drivers/gpio/gpio-ich.c | 21 +-
drivers/gpio/gpio-intel-mid.c | 4 +-
drivers/gpio/gpio-it87.c | 2 +-
drivers/gpio/gpio-janz-ttl.c | 15 +-
drivers/gpio/gpio-kempld.c | 2 +-
drivers/gpio/gpio-ks8695.c | 2 +-
drivers/gpio/gpio-max3191x.c | 7 +-
drivers/gpio/gpio-merrifield.c | 4 +-
drivers/gpio/gpio-ml-ioh.c | 1 -
drivers/gpio/gpio-mockup.c | 6 +-
drivers/gpio/gpio-omap.c | 6 +-
drivers/gpio/gpio-pca953x.c | 4 +
drivers/gpio/gpio-pci-idio-16.c | 50 ++
drivers/gpio/gpio-pcie-idio-24.c | 117 ++++
drivers/gpio/gpio-pmic-eic-sprd.c | 330 +++++++++++
drivers/gpio/gpio-raspberrypi-exp.c | 252 +++++++++
drivers/gpio/gpio-rcar.c | 60 +-
drivers/gpio/gpio-sprd.c | 290 ++++++++++
drivers/gpio/gpio-tegra.c | 16 +-
drivers/gpio/gpio-timberdale.c | 7 +-
drivers/gpio/gpio-tps68470.c | 10 +-
drivers/gpio/gpio-tz1090-pdc.c | 231 --------
drivers/gpio/gpio-tz1090.c | 602 --------------------
drivers/gpio/gpio-wm831x.c | 2 +-
drivers/gpio/gpio-ws16c48.c | 47 ++
drivers/gpio/gpio-xra1403.c | 8 +-
drivers/gpio/gpiolib-of.c | 24 +
drivers/gpio/gpiolib.c | 68 ++-
drivers/gpio/gpiolib.h | 2 +-
drivers/iio/adc/Kconfig | 3 +-
drivers/iio/counter/Kconfig | 3 +-
drivers/iio/dac/Kconfig | 3 +-
drivers/pinctrl/qcom/pinctrl-msm.c | 65 ++-
drivers/watchdog/Kconfig | 3 +-
include/linux/gpio/driver.h | 16 +
include/linux/platform_data/gpio-htc-egpio.h | 2 -
include/soc/bcm2835/raspberrypi-firmware.h | 18 +
init/Kconfig | 2 +-
tools/gpio/gpio-event-mon.c | 2 +-
77 files changed, 2771 insertions(+), 1274 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-eic-sprd.txt
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-sprd.txt
delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-tz1090-pdc.txt
delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-tz1090.txt
create mode 100644
Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
create mode 100644
Documentation/devicetree/bindings/gpio/raspberrypi,firmware-gpio.txt
rename Documentation/{gpio/board.txt => driver-api/gpio/board.rst} (88%)
rename Documentation/{gpio/consumer.txt => driver-api/gpio/consumer.rst} (89%)
rename Documentation/{gpio/driver.txt => driver-api/gpio/driver.rst} (93%)
rename Documentation/{gpio/drivers-on-gpio.txt =>
driver-api/gpio/drivers-on-gpio.rst} (99%)
rename Documentation/driver-api/{gpio.rst => gpio/index.rst} (74%)
rename Documentation/{gpio/gpio.txt => driver-api/gpio/intro.rst} (96%)
rename Documentation/{gpio/gpio-legacy.txt => driver-api/gpio/legacy.rst} (96%)
create mode 100644 drivers/gpio/gpio-eic-sprd.c
create mode 100644 drivers/gpio/gpio-hlwd.c
create mode 100644 drivers/gpio/gpio-pmic-eic-sprd.c
create mode 100644 drivers/gpio/gpio-raspberrypi-exp.c
create mode 100644 drivers/gpio/gpio-sprd.c
delete mode 100644 drivers/gpio/gpio-tz1090-pdc.c
delete mode 100644 drivers/gpio/gpio-tz1090.c

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