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Message-ID: <20180203223020.s6iph2oe7uphoz3q@ninjato>
Date: Sat, 3 Feb 2018 23:30:24 +0100
From: Wolfram Sang <wsa@...-dreams.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
Peter Rosin <peda@...ntia.se>,
Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PULL REQUEST] i2c for 4.16
Linus,
I2C has the following changes for you:
* new flag to mark DMA safe buffers in i2c_msg. Also, some
infrastructure around it. And docs.
* huge refactoring of the at24 driver led by the new maintainer Bartosz
* update I2C bus recovery to send STOP after recovery
* conversion from gpio to gpiod for I2C bus recovery
* adding a fault-injector to the i2c-gpio driver
* lots of small driver improvements, and bigger ones to i2c-sh_mobile
There was a small merge conflict in MAINTAINERS in linux-next, but that
should be easy to fix.
Please pull.
Thanks,
Wolfram
The following changes since commit 30a7acd573899fd8b8ac39236eff6468b195ac7d:
Linux 4.15-rc6 (2017-12-31 14:47:43 -0800)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-4.16
for you to fetch changes up to e38c85644e11c6dc5a39305c96b617f63403423d:
i2c: mv64xxx: Add myself as maintainer for this driver (2018-01-26 18:51:29 +0100)
----------------------------------------------------------------
Adrian Fiergolski (1):
i2c: mux: pca954x: add support for NXP PCA984x family
Andrzej Hajda (1):
i2c: exynos5: change internal transmission timeout to 100ms
Andy Shevchenko (1):
i2c: ismt: Use %pad specifier for dma_addr_t variables
Arnd Bergmann (1):
i2c: acorn: add MODULE_LICENSE tag
Arseny Solokha (4):
i2c: mpc: get MPC8xxx I2C clock prescaler before using it in calculations
i2c: mpc: unify obtaining the MPC8533/44 I2C clock prescaler w/ MPC8xxx
i2c: mpc: fix PORDEVSR2 mask for MPC8533/44
i2c: mpc: always determine I2C clock prescaler at runtime
Bartosz Golaszewski (12):
MAINTAINERS: add git URL for at24
eeprom: at24: fix coding style issues
eeprom: at24: use a common prefix for all symbols in at24.c
eeprom: at24: code shrink
dt-bindings: at24: new optional property - wp-gpios
eeprom: at24: add support for the write-protect pin
eeprom: at24: fix a whitespace error in platform data
dt-bindings: at24: consistently document the compatible property
dt-bindings: at24: fix formatting and style
dt-bindings: at24: extend the list of supported chips
eeprom: at24: extend the list of chips supported in DT
i2c: davinci: fix the cpufreq transition
Fugang Duan (1):
i2c: imx-lpi2c: add runtime pm support
Gregory CLEMENT (3):
i2c: mv64xxx: Remove useless test before clk_disable_unprepare
i2c: mv64xxx: Fix clock resource by adding an optional bus clock
i2c: mv64xxx: Add myself as maintainer for this driver
Gustavo A. R. Silva (1):
i2c: mxs: use true and false for boolean values
Heiner Kallweit (7):
eeprom: at24: add basic regmap_i2c support
eeprom: at24: change at24_translate_offset return type
eeprom: at24: add regmap-based write function
eeprom: at24: remove old write functions
eeprom: at24: add regmap-based read function
eeprom: at24: remove old read functions
eeprom: at24: remove now unneeded smbus-related code
Jan Kundr??t (1):
i2c: gpio: Enable working over slow can_sleep GPIOs
Jarkko Nikula (1):
i2c: designware: Don't set SCL timings and speed mode when in slave mode
Jian Hu (2):
dt-bindings: i2c: update documentation for the Meson-AXG
i2c: meson: add configurable divider factors
Julia Lawall (1):
i2c: rk3x: account for const type of of_device_id.data
Jun Gao (3):
dt-bindings: i2c: Add MediaTek MT2712 i2c binding
i2c: mediatek: Add i2c compatible for MediaTek MT2712
i2c: mediatek: Enable i2c module clock before i2c registers access.
Linus Walleij (2):
i2c: imx: Include the right GPIO header
i2c/ARM: davinci: Deep refactoring of I2C recovery
Phil Reid (8):
i2c: Switch to using gpiod interface for gpio bus recovery
i2c: designware: move i2c_dw_plat_prepare_clk to common
i2c: designware: rename i2c_dw_plat_prepare_clk to i2c_dw_prepare_clk
i2c: imx: switch to using gpiod for bus recovery gpios
i2c: davinci: switch to using gpiod for bus recovery gpios
i2c: remove legacy integer scl/sda gpio for recovery
i2c: core: fix compile issue related to incorrect gpio header
i2c: designware: fix building driver as module
Radu Rendec (2):
i2c: ismt: dump registers at the end of transactions
i2c: ismt: 16-byte align the DMA buffer address
Stefan Lengfeld (1):
i2c: use macro IS_ENABLED in header i2c.h
Sven Van Asbroeck (4):
dt-bindings: add eeprom "no-read-rollover" property
eeprom: at24: support eeproms that do not auto-rollover reads
eeprom: at24: convert magic numbers to structs
eeprom: at24: remove temporary fix for at24mac402 size
Tim Sander (1):
i2c: designware: add i2c gpio recovery option
Tomasz Bachorski (1):
i2c: mux: reg: don't log an error for probe deferral
Wolfram Sang (41):
i2c: sh_mobile: remove redundant initialization
i2c: sh_mobile: remove redundant deinitialization
i2c: sh_mobile: manually "inline" two short functions
i2c: sh_mobile: use direct writes when accessing ICE bit
i2c: sh_mobile: shorten exit of xfer routine
i2c: sh_mobile: let RuntimePM do the clock handling
i2c: sh_mobile: avoid unnecessary register read
i2c: sh_mobile: send STOP according to datasheet
i2c: sh_mobile: make sure to not accidently trigger STOP
i2c: gpio: add fault injector
i2c: add a message flag for DMA safe buffers
i2c: add helpers to ease DMA handling
i2c: dev: mark RDWR buffers as DMA_SAFE
i2c: refactor i2c_master_{send_recv}
i2c: add i2c_master_{send|recv}_dmasafe
i2c: smbus: use DMA safe buffers for emulated SMBus transactions
i2c: add docs to clarify DMA handling
i2c: sh_mobile: use core helper to decide when to use DMA
i2c: rcar: skip DMA if buffer is not safe
i2c: imx: use proper GPIO directions for recovery
i2c: algo-bit: init the bus to a known state
Merge branch 'i2c-mux/for-next' of https://github.com/peda-r/i2c-mux into i2c/for-4.16
dt-bindings: eeprom: rename to at24.txt
MAINTAINERS: add DT binding docs for AT24
Merge tag 'at24-4.16-updates-for-wolfram' of git://git.kernel.org/.../brgl/linux into i2c/for-4.16
i2c: sh_mobile: move type detection upwards
i2c: sh_mobile: allow setup callback to return errno
i2c: sh_mobile: require setup callback
i2c: sh_mobile: let RuntimePM do the clock handling
i2c: sh_mobile: add helper to check frequency calculations
i2c: sh_mobile: add new frequency calculation for later SoC
i2c: sh_mobile: let r8a7790 (R-Car H2) use the new formula
i2c: make kerneldoc about bus recovery more precise
i2c: add identifier in declarations for i2c_bus_recovery
i2c: add 'set_sda' to bus_recovery_info
i2c: ensure SDA is released in recovery if SDA is controllable
i2c: send STOP after successful bus recovery
i2c: rcar: implement bus recovery
i2c: acorn: remove outdated path from file header
i2c: rk3x: add proper kerneldoc header
i2c: rcar: fix some trivial typos in comments
Yixun Lan (1):
i2c: meson: update doc description to fix build warnings
with much appreciated quality assurance from
----------------------------------------------------------------
Andy Shevchenko (9):
(Rev.) eeprom: at24: add support for the write-protect pin
(Rev.) dt-bindings: at24: new optional property - wp-gpios
(Rev.) i2c: remove legacy integer scl/sda gpio for recovery
(Rev.) i2c: davinci: switch to using gpiod for bus recovery gpios
(Rev.) i2c: imx: switch to using gpiod for bus recovery gpios
(Rev.) i2c: designware: add i2c gpio recovery option
(Rev.) i2c: designware: rename i2c_dw_plat_prepare_clk to i2c_dw_prepare_clk
(Rev.) i2c: designware: move i2c_dw_plat_prepare_clk to common
(Rev.) i2c: Switch to using gpiod interface for gpio bus recovery
David Lechner (1):
(Test) i2c: davinci: fix the cpufreq transition
Fabio Estevam (1):
(Rev.) i2c: imx: Include the right GPIO header
Heiko Stuebner (2):
(Rev.) i2c: rk3x: add proper kerneldoc header
(Rev.) i2c: rk3x: account for const type of of_device_id.data
Jacopo Mondi (4):
(Test) i2c: sh_mobile: make sure to not accidently trigger STOP
(Test) i2c: sh_mobile: send STOP according to datasheet
(Test) i2c: sh_mobile: avoid unnecessary register read
(Test) i2c: sh_mobile: let RuntimePM do the clock handling
Jarkko Nikula (3):
(Rev.) i2c: core: fix compile issue related to incorrect gpio header
(Rev.) i2c: remove legacy integer scl/sda gpio for recovery
(Rev.) i2c: Switch to using gpiod interface for gpio bus recovery
Javier Martinez Canillas (3):
(Rev.) eeprom: at24: extend the list of chips supported in DT
(Rev.) dt-bindings: at24: extend the list of supported chips
(Rev.) dt-bindings: at24: fix formatting and style
Jonathan Cameron (8):
(Rev.) i2c: rcar: skip DMA if buffer is not safe
(Rev.) i2c: sh_mobile: use core helper to decide when to use DMA
(Rev.) i2c: add docs to clarify DMA handling
(Rev.) i2c: smbus: use DMA safe buffers for emulated SMBus transactions
(Rev.) i2c: refactor i2c_master_{send_recv}
(Rev.) i2c: dev: mark RDWR buffers as DMA_SAFE
(Rev.) i2c: add helpers to ease DMA handling
(Rev.) i2c: add a message flag for DMA safe buffers
Linus Walleij (1):
(Rev.) i2c: add 'set_sda' to bus_recovery_info
Luis Oliveira (1):
(Test) i2c: designware: Don't set SCL timings and speed mode when in slave mode
Mauro Carvalho Chehab (1):
(Rev.) i2c: add docs to clarify DMA handling
Neil Armstrong (1):
(Rev.) i2c: meson: add configurable divider factors
Niklas S??derlund (1):
(Rev.) i2c: sh_mobile: send STOP according to datasheet
Phil Reid (6):
(Test) i2c: send STOP after successful bus recovery
(Test) i2c: ensure SDA is released in recovery if SDA is controllable
(Test) i2c: add 'set_sda' to bus_recovery_info
(Test) i2c: add identifier in declarations for i2c_bus_recovery
(Test) i2c: make kerneldoc about bus recovery more precise
(Rev.) i2c: imx: use proper GPIO directions for recovery
Rob Herring (9):
(Rev.) dt-bindings: i2c: Add MediaTek MT2712 i2c binding
(Rev.) dt-bindings: at24: extend the list of supported chips
(Rev.) dt-bindings: at24: fix formatting and style
(Rev.) dt-bindings: at24: consistently document the compatible property
(Rev.) dt-bindings: at24: new optional property - wp-gpios
(Rev.) dt-bindings: add eeprom "no-read-rollover" property
(Rev.) MAINTAINERS: add DT binding docs for AT24
(Rev.) dt-bindings: eeprom: rename to at24.txt
(Rev.) i2c: mux: pca954x: add support for NXP PCA984x family
Sekhar Nori (3):
(Rev.) i2c: davinci: fix the cpufreq transition
(Test) i2c/ARM: davinci: Deep refactoring of I2C recovery
(Rev.) i2c: davinci: switch to using gpiod for bus recovery gpios
Documentation/devicetree/bindings/eeprom/at24.txt | 78 +++
.../devicetree/bindings/eeprom/eeprom.txt | 47 --
.../devicetree/bindings/i2c/i2c-meson.txt | 6 +-
Documentation/devicetree/bindings/i2c/i2c-mtk.txt | 1 +
.../devicetree/bindings/i2c/i2c-mux-pca954x.txt | 13 +-
.../devicetree/bindings/i2c/i2c-mv64xxx.txt | 20 +
Documentation/i2c/DMA-considerations | 67 ++
Documentation/i2c/gpio-fault-injection | 54 ++
MAINTAINERS | 8 +
arch/arm/mach-davinci/board-dm355-evm.c | 15 +-
arch/arm/mach-davinci/board-dm644x-evm.c | 15 +-
drivers/i2c/algos/i2c-algo-bit.c | 5 +
drivers/i2c/busses/Kconfig | 8 +
drivers/i2c/busses/i2c-acorn.c | 8 +-
drivers/i2c/busses/i2c-davinci.c | 37 +-
drivers/i2c/busses/i2c-designware-common.c | 20 +-
drivers/i2c/busses/i2c-designware-core.h | 2 +
drivers/i2c/busses/i2c-designware-master.c | 57 ++
drivers/i2c/busses/i2c-designware-platdrv.c | 29 +-
drivers/i2c/busses/i2c-designware-slave.c | 64 --
drivers/i2c/busses/i2c-exynos5.c | 2 +-
drivers/i2c/busses/i2c-gpio.c | 122 +++-
drivers/i2c/busses/i2c-imx-lpi2c.c | 68 +-
drivers/i2c/busses/i2c-imx.c | 20 +-
drivers/i2c/busses/i2c-ismt.c | 42 +-
drivers/i2c/busses/i2c-meson.c | 34 +-
drivers/i2c/busses/i2c-mpc.c | 57 +-
drivers/i2c/busses/i2c-mt65xx.c | 40 +-
drivers/i2c/busses/i2c-mv64xxx.c | 20 +-
drivers/i2c/busses/i2c-mxs.c | 4 +-
drivers/i2c/busses/i2c-rcar.c | 62 +-
drivers/i2c/busses/i2c-rk3x.c | 17 +-
drivers/i2c/busses/i2c-sh_mobile.c | 191 +++---
drivers/i2c/i2c-core-base.c | 212 +++---
drivers/i2c/i2c-core-smbus.c | 45 +-
drivers/i2c/i2c-dev.c | 2 +
drivers/i2c/muxes/Kconfig | 6 +-
drivers/i2c/muxes/i2c-mux-pca954x.c | 38 +-
drivers/i2c/muxes/i2c-mux-reg.c | 3 +
drivers/misc/eeprom/Kconfig | 1 +
drivers/misc/eeprom/at24.c | 731 +++++++--------------
include/linux/i2c.h | 112 +++-
include/linux/platform_data/at24.h | 2 +
include/linux/platform_data/i2c-davinci.h | 5 +-
include/uapi/linux/i2c.h | 3 +
45 files changed, 1381 insertions(+), 1012 deletions(-)
create mode 100644 Documentation/devicetree/bindings/eeprom/at24.txt
delete mode 100644 Documentation/devicetree/bindings/eeprom/eeprom.txt
create mode 100644 Documentation/i2c/DMA-considerations
create mode 100644 Documentation/i2c/gpio-fault-injection
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