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Message-ID: <20201021065500.GA1429@kunai>
Date: Wed, 21 Oct 2020 08:55:00 +0200
From: Wolfram Sang <wsa@...nel.org>
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 5.10
Linus, everyone,
during this short break of my holidays, I send the first pull request of
I2C for 5.10. Main changes:
* if a host can be a client, too, the I2C core can now use it to emulate
SMBus HostNotify support (STM32 and R-Car added this so far)
* also for client mode, a testunit has been added. It can create rare
situations on the bus, so host controllers can be tested
* a binding has been added to mark the bus as "single-master". This
allows for better timeout detections
* new driver for Mellanox Bluefield
* massive refactoring of the Tegra driver
* EEPROMs recognized by the at24 driver can now have custom names
* rest is driver updates
Please pull.
Thanks,
Wolfram
The following changes since commit d012a7190fc1fd72ed48911e77ca97ba4521bccd:
Linux 5.9-rc2 (2020-08-23 14:08:43 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-5.10
for you to fetch changes up to 40daf09a30a0c86a038bcce606604333f32e03f8:
Documentation: i2c: add testunit docs to index (2020-10-05 22:57:45 +0200)
----------------------------------------------------------------
Alain Volmat (4):
i2c: smbus: add core function handling SMBus host-notify
i2c: stm32f7: Add SMBus Host-Notify protocol support
i2c: stm32: name slave slot to ease maintenance
i2c: stm32: fix error message on upon dma_request_chan & defer handling
Andy Shevchenko (3):
i2c: ismt: Describe parameters in kernel doc
i2c: ismt: Add support for Intel Emmitsburg PCH
i2c: nvidia-gpu: Use put_unaligned_be24()
Anson Huang (1):
i2c: imx: Use dev_err_probe() to simplify error handling
Barry Song (1):
i2c: busses: replace spin_lock_irqsave by spin_lock in hard IRQ
Dirk Behme (1):
i2c: rcar: Auto select RESET_CONTROLLER
Dmitry Osipenko (32):
i2c: tegra: Make tegra_i2c_flush_fifos() usable in atomic transfer
i2c: tegra: Add missing pm_runtime_put()
i2c: tegra: Handle potential error of tegra_i2c_flush_fifos()
i2c: tegra: Mask interrupt in tegra_i2c_issue_bus_clear()
i2c: tegra: Initialize div-clk rate unconditionally
i2c: tegra: Remove i2c_dev.clk_divisor_non_hs_mode member
i2c: tegra: Runtime PM always available on Tegra
i2c: tegra: Remove error message used for devm_request_irq() failure
i2c: tegra: Use reset_control_reset()
i2c: tegra: Use devm_platform_get_and_ioremap_resource()
i2c: tegra: Use platform_get_irq()
i2c: tegra: Use clk-bulk helpers
i2c: tegra: Move out all device-tree parsing into tegra_i2c_parse_dt()
i2c: tegra: Clean up probe function
i2c: tegra: Reorder location of functions in the code
i2c: tegra: Clean up variable types
i2c: tegra: Remove outdated barrier()
i2c: tegra: Remove likely/unlikely from the code
i2c: tegra: Remove redundant check in tegra_i2c_issue_bus_clear()
i2c: tegra: Remove "dma" variable from tegra_i2c_xfer_msg()
i2c: tegra: Rename wait/poll functions
i2c: tegra: Factor out error recovery from tegra_i2c_xfer_msg()
i2c: tegra: Factor out packet header setup from tegra_i2c_xfer_msg()
i2c: tegra: Factor out register polling into separate function
i2c: tegra: Factor out hardware initialization into separate function
i2c: tegra: Check errors for both positive and negative values
i2c: tegra: Improve formatting of variables
i2c: tegra: Clean up variable names
i2c: tegra: Clean up printk messages
i2c: tegra: Clean up and improve comments
i2c: tegra: Clean up whitespaces, newlines and indentation
i2c: tegra: Improve driver module description
Jaakko Laine (3):
i2c: xiic: Change code alignment to 1 space only
i2c: xiic: Improve struct memory alignment
i2c: xiic: Support forcing single-master in DT
Jarkko Nikula (2):
i2c: Remove 'default n' from busses/Kconfig
i2c: i801: Add support for Intel Alder Lake PCH-S
Jean Delvare (2):
eeprom: at24: Add support for the Sony VAIO EEPROMs
eeprom: at24: Tidy at24_read()
Jeffrey Lin (1):
i2c: i801: Register lis3lv02d I2C device on Dell Latitude 5480
Jon Hunter (3):
eeprom: at24: Initialise AT24 NVMEM ID field
dt-bindings: eeprom: at24: Add label property for AT24
eeprom: at24: Support custom device names for AT24 EEPROMs
Khalil Blaiech (2):
dt-bindings: i2c: I2C binding for Mellanox BlueField SoC
i2c: mlxbf: I2C SMBus driver for Mellanox BlueField SoC
Krzysztof Kozlowski (10):
i2c: mux: gpmux: Simplify with dev_err_probe()
i2c: mux: reg: Simplify with dev_err_probe()
i2c: bcm2835: Simplify with dev_err_probe()
i2c: stm32: Simplify with dev_err_probe()
i2c: rk3x: Simplify with dev_err_probe()
i2c: imx: Fix external abort on interrupt in exit paths
dt-bindings: i2c: imx-lpi2c: Add properties and use unevaluatedProperties
dt-bindings: i2c: imx-lpi2c: Fix i.MX 8QXP compatible matching
dt-bindings: i2c: imx: Add properties and use unevaluatedProperties
dt-bindings: i2c: imx: Fix i.MX 7 compatible matching
Paul Cercueil (3):
dt-bindings: i2c: ingenic: Add compatible string for the JZ4770
i2c: jz4780: Add compatible string for JZ4770 SoC
i2c: jz4780: Remove of_match_ptr()
Tian Tao (1):
i2c: Switch to using the new API kobj_to_dev()
Tom Rix (1):
i2c: amd_mp2: handle num is 0 input for i2c_amd_xfer
Vadym Kochan (1):
eeprom: at24: set type id as EEPROM
Wang ShaoBo (1):
i2c: efm32: Use devm_platform_get_and_ioremap_resource()
Wolfram Sang (9):
i2c: add binding to mark a bus as SMBus
i2c: rcar: improve bus busy detection
i2c: rcar: refactor and shorten timeout when resetting
i2c: add slave testunit driver
i2c: rcar: add HostNotify support
misc: eeprom: use helper to get i2c_client from kobj
Merge tag 'at24-updates-for-v5.10' of git://git.kernel.org/.../brgl/linux into i2c/for-5.10
i2c: testunit: improve documentation
Documentation: i2c: add testunit docs to index
Documentation/devicetree/bindings/eeprom/at24.yaml | 3 +
.../devicetree/bindings/i2c/i2c-imx-lpi2c.yaml | 29 +-
Documentation/devicetree/bindings/i2c/i2c-imx.yaml | 8 +-
Documentation/devicetree/bindings/i2c/i2c.txt | 5 +
.../devicetree/bindings/i2c/ingenic,i2c.yaml | 12 +-
.../devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt | 42 +
Documentation/i2c/busses/i2c-i801.rst | 1 +
Documentation/i2c/index.rst | 1 +
Documentation/i2c/slave-testunit-backend.rst | 69 +
MAINTAINERS | 6 +
drivers/i2c/Kconfig | 9 +-
drivers/i2c/Makefile | 1 +
drivers/i2c/busses/Kconfig | 20 +-
drivers/i2c/busses/Makefile | 1 +
drivers/i2c/busses/i2c-amd-mp2-plat.c | 2 +-
drivers/i2c/busses/i2c-bcm2835.c | 8 +-
drivers/i2c/busses/i2c-efm32.c | 12 +-
drivers/i2c/busses/i2c-i801.c | 5 +
drivers/i2c/busses/i2c-imx.c | 32 +-
drivers/i2c/busses/i2c-ismt.c | 12 +-
drivers/i2c/busses/i2c-jz4780.c | 3 +-
drivers/i2c/busses/i2c-mlxbf.c | 2506 ++++++++++++++++++++
drivers/i2c/busses/i2c-mv64xxx.c | 5 +-
drivers/i2c/busses/i2c-nvidia-gpu.c | 3 +-
drivers/i2c/busses/i2c-owl.c | 5 +-
drivers/i2c/busses/i2c-qcom-geni.c | 5 +-
drivers/i2c/busses/i2c-rcar.c | 65 +-
drivers/i2c/busses/i2c-rk3x.c | 19 +-
drivers/i2c/busses/i2c-stm32.c | 12 +-
drivers/i2c/busses/i2c-stm32f4.c | 6 +-
drivers/i2c/busses/i2c-stm32f7.c | 145 +-
drivers/i2c/busses/i2c-tegra.c | 1420 ++++++-----
drivers/i2c/busses/i2c-xiic.c | 62 +-
drivers/i2c/i2c-slave-testunit.c | 175 ++
drivers/i2c/i2c-smbus.c | 107 +
drivers/i2c/muxes/i2c-mux-gpmux.c | 16 +-
drivers/i2c/muxes/i2c-mux-reg.c | 10 +-
drivers/misc/eeprom/at24.c | 71 +-
drivers/misc/eeprom/eeprom.c | 2 +-
include/linux/i2c-smbus.h | 12 +
include/linux/i2c.h | 2 +-
41 files changed, 4009 insertions(+), 920 deletions(-)
create mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
create mode 100644 Documentation/i2c/slave-testunit-backend.rst
create mode 100644 drivers/i2c/busses/i2c-mlxbf.c
create mode 100644 drivers/i2c/i2c-slave-testunit.c
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