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Subject[GIT PULL] GPIO bulk changes for the v5.4 kernel
Hi Linus,

the following is the bulk of GPIO changes for v5.4. The
main information chunk about the updates is in the signed
tag as always. This cycle has been pretty lively.

You will notice that I merged in v5.3-rc7 at a late point.
This was because the conflicts were really hairy between
the -rc:s and the bulk of development: the kind where
there is a variable rename in one branch and independent
reshuffling of code in the other. This took me some
substantial time to sort out, despite both changes being
my own. I don't know if I'm especially bad at resolving
conflicts but after failing to construct a branch for -next
several times I just sat down and resolved the conflicts
toward -rc7 once and for all. I still had to fix it up with
a patch on top.

Changes hitting Unicore and FMC in MAINTAINERS are
eplained in the signed tag as well.

Please pull it in!

Yours,
Linus Walleij

The following changes since commit 089cf7f6ecb266b6a4164919a2e69bd2f938374a:

Linux 5.3-rc7 (2019-09-02 09:57:40 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
tags/gpio-v5.4-1

for you to fetch changes up to 11c43bb022b373d2fdb84950ebf1911362f3f010:

gpiolib: of: add a fallback for wlf,reset GPIO name (2019-09-12
10:29:17 +0100)

----------------------------------------------------------------
This is the bulk of changes in the GPIO subsystem for the
v5.4 kernel cycle.

Core changes:

- Support hierarchical GPIO irqchips. We now have three
consumers that can use this: Intel IXP4xx, ThunderX and
Qualcomm SPMI GPIO (in the pinctrl subsystem). The support
code has been long in the making and hashed out so it should
be easily adaptable for all hierarchical irqchip parents.
The code only gets compiled in if hierarchical irqchip
is used at the topmost irq controller at least, as the
hierarchical irqchip requires strict hierarchy all the
way up in the system.

- Determine the need for a "valid_mask" for GPIO lines on the
gpio_chip and conversely for the "valid_mask" for the GPIO
interrupt chip interrupt lines by looking for a
.init_valid_mask() callback in the main chip or GPIO interrupt
chip respectively. Allocate it with bitmap_alloc().

- Isolate the device tree/open firmware GPIO description code
out in its own file properly.

- Isolate the ACPI GPIO description code out in its own file
properly.

- Drop a whole lot of #ifdef:s in the main includes: it does
not hurt to keep the include items around, and we get
quicker and clearer compile failures if the appropriate
kernel symbols are not selected for drivers.

New/deleted drivers:

- New driver for Aspeed SGPIO.

- The KS8695 driver is deleted as the platform gets deleted
from arch/arm in this kernel cycle.

- The Cirrus Logic Madera driver now supports CS47L92 and
CS47L15.

- The Freescale MPC8xxx now supports LS1028A and LS1088A.

Driver improvements:

- We pass the GPIO irqchip intialization by directly filling
in the struct instead of using set-up functions (the new
way) for Intel MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed,
ZX, VF610, TQMX86, MT7621, Zynq and EP93xx.

Out-of-band changes:

- Fix a GPIO header inclusion in Unicore - no response from
maintainer.

- Drop FMC subsystem from MAINTAINERS - was deleted in the
GPIO tree last cycle so let's mop up the shards.

----------------------------------------------------------------
Andy Shevchenko (8):
gpiolib: of: Reshuffle contents of consumer.h for new library layout
gpiolib: acpi: Split ACPI stuff to gpiolib-acpi.h
gpiolib-acpi: Move acpi_dev_add_driver_gpios() et al to consumer.h
gpio: pca953x: Switch to use device_get_match_data()
gpio: pca953x: Use GENMASK() consistently
gpio: pca953x: Remove explicit comparison with 0
gpio: pca953x: Drop %s for constant string literals
MAINTAINERS: Remove stale record for gpio-intel-mid.c

Anson Huang (1):
gpio: mxc: Use devm_clk_get_optional instead of devm_clk_get

Arnd Bergmann (2):
gpio: remove ks8695 driver
gpio: lpc32xx: allow building on non-lpc32xx targets

Bartosz Golaszewski (2):
gpio: em: use a helper variable for &pdev->dev
gpio: max77650: add MODULE_ALIAS()

Brian Masney (1):
qcom: spmi-gpio: convert to hierarchical IRQ helpers in gpio core

Charles Keepax (3):
gpio: arizona: Use local copy of pdata
gpio: madera: Use local copy of pdata
gpio: madera: Add support for Cirrus Logic CS47L92

Christophe JAILLET (1):
gpio: ftgpio: Fix an error handling path in 'ftgpio_gpio_probe()'

Chuhong Yuan (1):
gpio: pch: Use dev_get_drvdata

Colin Ian King (2):
gpio: bd70528: fix spelling misstake "debouce" -> "debounce"
gpio: bd70528: remove redundant assignment to variable ret

Denis Efremov (1):
MAINTAINERS: Remove FMC subsystem

Ding Xiang (1):
gpio: ixp4xx: remove redundant dev_err message

Dmitry Torokhov (2):
gpiolib: acpi: make acpi_can_fallback_to_crs() static
gpiolib: of: add a fallback for wlf,reset GPIO name

Geert Uytterhoeven (5):
gpio: of: Make of_get_named_gpiod_flags() private
gpio: of: Make of_gpio_simple_xlate() private
gpio: of: Switch to EXPORT_SYMBOL_GPL()
gpio: devres: Switch to EXPORT_SYMBOL_GPL()
gpio: htc-egpio: Remove unused exported htc_egpio_get_wakeup_irq()

Hennie Muller (1):
gpio: viperboard: Replace 'unsigned' with 'unsigned int'

Hongwei Zhang (2):
dt-bindings: gpio: aspeed: Add SGPIO support
gpio: aspeed: Add SGPIO driver

Jeremy Cline (1):
Documentation: gpio: fix function links in the HTML docs

Linus Walleij (30):
unicore: Drop pointless include
gpio: of: Break out OF-only code
gpio: intel-mid: Pass irqchip when adding gpiochip
gpio: lynxpoint: Pass irqchip when adding gpiochip
gpio: merrifield: Pass irqchip when adding gpiochip
gpio: Add support for hierarchical IRQ domains
gpio: ixp4xx: Convert to hierarchical GPIOLIB_IRQCHIP
gpio: thunderx: Switch to GPIOLIB_IRQCHIP
gpio: cadence: Pass irqchip when adding gpiochip
gpio: xlp: Pass irqchip when adding gpiochip
gpio: hlwd: Pass irqchip when adding gpiochip
gpio: aspeed: Pass irqchip when adding gpiochip
gpio: Pass mask and size with the init_valid_mask()
pinctrl: stmfx: Use the callback to populate valid_mask
gpio: Use callback presence to determine need of valid_mask
gpio: ftgpio: Move hardware initialization
gpio: zx: Pass irqchip when adding gpiochip
gpio: vf610: Pass irqchip when adding gpiochip
gpio: tqmx86: Pass irqchip when adding gpiochip
gpio: mt7621: Pass irqchip when adding gpiochip
gpio: zynq: Pass irqchip when adding gpiochip
Merge tag 'gpio-v5.4-updates-for-linus' of
git://git.kernel.org/.../brgl/linux into devel
gpio: ep93xx: Pass irqchip when adding gpiochip
gpio: gpiolib: Normalize return code variable name
gpio: of: Normalize return code variable name
gpio: Fix up merge collision in include file
Merge tag 'v5.3-rc7' into devel
gpio: Fix further merge errors
Merge tag 'intel-gpio-v5.4-1' of
git://git.kernel.org/.../andy/linux-gpio-intel into devel
gpio: Initialize the irqchip valid_mask with a callback

Lokesh Vutla (1):
dt-bindings: gpio: davinci: Add new compatible for J721E SoCs

Marc Zyngier (1):
gpio/ixp4xx: Register the base PA instead of its VA in fwnode

Masahiro Yamada (2):
gpio: remove less important #ifdef around declarations
gpio: refactor gpiochip_allocate_mask() with bitmap_alloc()

Rashmica Gupta (5):
gpio: aspeed: Update documentation with ast2600 controllers
gpio/aspeed: Fix incorrect number of banks
gpio: aspeed: Setup irqchip dynamically
gpio: aspeed: Use ngpio property from device tree if available
gpio: aspeed: Add in ast2600 details to Aspeed driver

Richard Fitzgerald (1):
gpio: madera: Add support for Cirrus Logic CS47L15

Saiyam Doshi (1):
gpio: remove explicit comparison with 0

Song Hui (4):
gpio: mpc8xxx: Add ls1028a device specify function.
gpio: mpc8xxx: Add new platforms GPIO DT node description
gpio: mpc8xxx: add ls1088a platform gpio node DT binding description
gpio: mpc8xxx: add ls1088a platform special function

Stephen Boyd (2):
gpio: of: Fix hard-assigned valid_mask for OF case
gpio: Remove dev_err() usage after platform_get_irq()

Stephen Rothwell (1):
gpio: stubs in headers should be inline

Uwe Kleine-König (1):
gpio: mockup: don't depend twice on GPIOLIB

YueHaibing (2):
gpio: Move gpiochip_lock/unlock_as_irq to gpio/driver.h
gpio: creg-snps: use devm_platform_ioremap_resource() to simplify code

.../devicetree/bindings/gpio/gpio-aspeed.txt | 7 +-
.../devicetree/bindings/gpio/gpio-davinci.txt | 1 +
.../devicetree/bindings/gpio/gpio-mpc8xxx.txt | 16 +-
.../devicetree/bindings/gpio/sgpio-aspeed.txt | 45 ++
Documentation/driver-api/gpio/driver.rst | 138 ++++-
MAINTAINERS | 15 -
arch/arm/configs/lpc32xx_defconfig | 1 +
arch/unicore32/kernel/irq.c | 1 -
drivers/gpio/Kconfig | 11 +-
drivers/gpio/Makefile | 3 +-
drivers/gpio/gpio-arizona.c | 4 +-
drivers/gpio/gpio-aspeed.c | 117 ++--
drivers/gpio/gpio-bd70528.c | 4 +-
drivers/gpio/gpio-brcmstb.c | 4 +-
drivers/gpio/gpio-cadence.c | 36 +-
drivers/gpio/gpio-creg-snps.c | 4 +-
drivers/gpio/gpio-dwapb.c | 1 +
drivers/gpio/gpio-eic-sprd.c | 4 +-
drivers/gpio/gpio-em.c | 37 +-
drivers/gpio/gpio-ep93xx.c | 140 +++--
drivers/gpio/gpio-ftgpio010.c | 14 +-
drivers/gpio/gpio-grgpio.c | 2 -
drivers/gpio/gpio-hlwd.c | 58 +-
drivers/gpio/gpio-htc-egpio.c | 14 -
drivers/gpio/gpio-intel-mid.c | 35 +-
drivers/gpio/gpio-ixp4xx.c | 279 ++-------
drivers/gpio/gpio-ks8695.c | 284 ---------
drivers/gpio/gpio-lpc32xx.c | 118 ++--
drivers/gpio/gpio-lynxpoint.c | 35 +-
drivers/gpio/gpio-madera.c | 12 +-
drivers/gpio/gpio-max77620.c | 4 +-
drivers/gpio/gpio-max77650.c | 1 +
drivers/gpio/gpio-mb86s7x.c | 1 +
drivers/gpio/gpio-merrifield.c | 28 +-
drivers/gpio/gpio-mpc8xxx.c | 32 +
drivers/gpio/gpio-mt7621.c | 33 +-
drivers/gpio/gpio-mxc.c | 9 +-
drivers/gpio/gpio-pca953x.c | 70 +--
drivers/gpio/gpio-pch.c | 6 +-
drivers/gpio/gpio-pmic-eic-sprd.c | 4 +-
drivers/gpio/gpio-sprd.c | 4 +-
drivers/gpio/gpio-stmpe.c | 36 +-
drivers/gpio/gpio-tb10x.c | 4 +-
drivers/gpio/gpio-tegra.c | 4 +-
drivers/gpio/gpio-thunderx.c | 163 ++---
drivers/gpio/gpio-tqmx86.c | 50 +-
drivers/gpio/gpio-vf610.c | 26 +-
drivers/gpio/gpio-viperboard.c | 20 +-
drivers/gpio/gpio-xgene-sb.c | 1 +
drivers/gpio/gpio-xlp.c | 29 +-
drivers/gpio/gpio-zx.c | 35 +-
drivers/gpio/gpio-zynq.c | 41 +-
drivers/gpio/gpiolib-acpi.c | 27 +-
drivers/gpio/gpiolib-acpi.h | 96 +++
drivers/gpio/gpiolib-devres.c | 28 +-
drivers/gpio/gpiolib-of.c | 158 ++++-
drivers/gpio/gpiolib-of.h | 38 ++
drivers/gpio/gpiolib.c | 680 +++++++++++++--------
drivers/gpio/gpiolib.h | 120 ----
drivers/gpio/sgpio-aspeed.c | 533 ++++++++++++++++
drivers/pinctrl/intel/pinctrl-baytrail.c | 16 +-
drivers/pinctrl/intel/pinctrl-cherryview.c | 42 +-
drivers/pinctrl/pinctrl-stmfx.c | 18 +-
drivers/pinctrl/qcom/Kconfig | 1 +
drivers/pinctrl/qcom/pinctrl-msm.c | 23 +-
drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 92 +--
drivers/platform/x86/intel_int0002_vgpio.c | 11 +-
include/linux/acpi.h | 51 --
include/linux/gpio.h | 13 -
include/linux/gpio/consumer.h | 135 +++-
include/linux/gpio/driver.h | 178 ++++--
include/linux/of_gpio.h | 11 -
include/linux/platform_data/gpio-htc-egpio.h | 3 -
sound/soc/intel/boards/bytcht_cx2072x.c | 1 +
sound/soc/intel/boards/cht_bsw_max98090_ti.c | 1 +
sound/soc/intel/boards/cht_bsw_rt5672.c | 1 +
76 files changed, 2535 insertions(+), 1783 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt
delete mode 100644 drivers/gpio/gpio-ks8695.c
create mode 100644 drivers/gpio/gpiolib-acpi.h
create mode 100644 drivers/gpio/gpiolib-of.h
create mode 100644 drivers/gpio/sgpio-aspeed.c

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