Changes in Kconfig

7e722083 - i2c: Remove I2C_COMPAT config symbol and related code

Wed, 21 Aug 2024 20:13:04 +0000

i2c: Remove I2C_COMPAT config symbol and related codeThis code was added with 2bb5095affdb ("i2c: Provide compatibility linksfor i2c adapters"). Commit message stated: Provide compatibility linksfor [...] the time being. We will remove them after a long transitionperiod.15 years should have been a long enough transition period.Signed-off-by: Heiner Kallweit Acked-by: Greg Kroah-Hartman Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

6dfe0aba - i2c: testunit: correct Kconfig description

Wed, 10 Jul 2024 06:55:11 +0000

i2c: testunit: correct Kconfig descriptionThe testunit has nothing to do with 'eeprom', remove that term. It was acopy&paste leftover.Fixes: a8335c64c5f0 ("i2c: add slave testunit driver")Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

24dc13f9 - i2c: Make I2C_ATR invisible

Tue, 15 Aug 2023 15:29:11 +0000

i2c: Make I2C_ATR invisibleI2C Address Translator (ATR) support is not a stand-alone driver, but alibrary. All of its users select I2C_ATR. Hence there is no need forthe user to enable this symbol manually, except when compile-testing.Signed-off-by: Geert Uytterhoeven Reviewed-by: Luca Ceresoli Reviewed-by: Tomi Valkeinen Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

a076a860 - media: i2c: add I2C Address Translator (ATR) support

Mon, 19 Jun 2023 12:22:06 +0000

media: i2c: add I2C Address Translator (ATR) supportAn ATR is a device that looks similar to an i2c-mux: it has an I2Cslave "upstream" port and N master "downstream" ports, and forwardstransactions from upstream to the appropriate downstream port. But itis different in that the forwarded transaction has a different slaveaddress. The address used on the upstream bus is called the "alias"and is (potentially) different from the physical slave address of thedownstream chip.Add a helper file (just like i2c-mux.c for a mux or switch) to allowimplementing ATR features in a device driver. The helper takes care ofadapter creation/destruction and translates addresses at each transaction.Signed-off-by: Luca Ceresoli Signed-off-by: Tomi Valkeinen Reviewed-by: Andy Shevchenko Acked-by: Wolfram Sang Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab List of files: /linux-6.15/drivers/i2c/Kconfig

a8335c64 - i2c: add slave testunit driver

Fri, 11 Sep 2020 07:16:58 +0000

i2c: add slave testunit driverHere is an I2C slave backend driver which allows to test some uncommonfunctionalities of the I2C and SMBus world. Usually, you need specificdevices to test e.g. SMBus Host Notify and such. With this driver youjust need the slave interface of another I2C controller.This initial version has testcases for multi-master and SMBus HostNotify. Already planned but not yet implemented are SMBus Alert andmessages with I2C_M_RECV_LEN.Please read the documentation for further details.Signed-off-by: Wolfram Sang Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

ab70935d - i2c: Remove 'default n' from busses/Kconfig

Thu, 20 Aug 2020 08:05:25 +0000

i2c: Remove 'default n' from busses/KconfigThe default value for a config option defaults to 'n' so it doesn't needto be set here.Signed-off-by: Jarkko Nikula Reviewed-by: Jean Delvare [jdelvare: found another one]Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

58e64b05 - i2c: add Kconfig help text for slave mode

Sun, 28 Jun 2020 18:55:22 +0000

i2c: add Kconfig help text for slave modeI can't recall why there was none, but we surely want to have it.Signed-off-by: Wolfram Sang Reviewed-by: Niklas Söderlund Reviewed-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

59d3d604 - i2c: slave-eeprom: update documentation

Sun, 28 Jun 2020 18:54:26 +0000

i2c: slave-eeprom: update documentationAdd more details which have either been missing ever since or describerecent additions.Signed-off-by: Wolfram Sang Reviewed-by: Niklas Söderlund Reviewed-by: Luca Ceresoli Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

a7f7f624 - treewide: replace '---help---' in Kconfig files with 'help'

Sat, 13 Jun 2020 16:50:22 +0000

treewide: replace '---help---' in Kconfig files with 'help'Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over'---help---'"), the number of '---help---' has been graduallydecreasing, but there are still more than 2400 instances.This commit finishes the conversion. While I touched the lines,I also fixed the indentation.There are a variety of indentation styles found. a) 4 spaces + '---help---' b) 7 spaces + '---help---' c) 8 spaces + '---help---' d) 1 space + 1 tab + '---help---' e) 1 tab + '---help---' (correct indentation) f) 1 tab + 1 space + '---help---' g) 1 tab + 2 spaces + '---help---'In order to convert all of them to 1 tab + 'help', I ran thefollowing commend: $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'Signed-off-by: Masahiro Yamada List of files: /linux-6.15/drivers/i2c/Kconfig

ccf988b6 - docs: i2c: convert to ReST and add to driver-api bookset

Fri, 26 Jul 2019 12:51:16 +0000

docs: i2c: convert to ReST and add to driver-api booksetConvert each file at I2C subsystem, renaming them to .rst andadding to the driver-api book.Signed-off-by: Mauro Carvalho Chehab Acked-by: Wolfram Sang Acked-by: Alexandre Belloni Acked-by: Jonathan Cameron Signed-off-by: Jonathan Corbet List of files: /linux-6.15/drivers/i2c/Kconfig

ec8f24b7 - treewide: Add SPDX license identifier - Makefile/Kconfig

Sun, 19 May 2019 12:07:45 +0000

treewide: Add SPDX license identifier - Makefile/KconfigAdd SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any formThese files fall under the project license, GPL v2 only. The resulting SPDXlicense identifier is: GPL-2.0-onlySigned-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/i2c/Kconfig

8636a1f9 - treewide: surround Kconfig file paths with double quotes

Tue, 11 Dec 2018 11:01:04 +0000

treewide: surround Kconfig file paths with double quotesThe Kconfig lexer supports special characters such as '.' and '/' inthe parameter context. In my understanding, the reason is just tosupport bare file paths in the source statement.I do not see a good reason to complicate Kconfig for the room ofambiguity.The majority of code already surrounds file paths with double quotes,and it makes sense since file paths are constant string literals.Make it treewide consistent now.Signed-off-by: Masahiro Yamada Acked-by: Wolfram Sang Acked-by: Geert Uytterhoeven Acked-by: Ingo Molnar List of files: /linux-6.15/drivers/i2c/Kconfig

4d5538f5 - i2c: use an IRQ to report Host Notify events, not alert

Thu, 13 Oct 2016 12:10:40 +0000

i2c: use an IRQ to report Host Notify events, not alertThe current SMBus Host Notify implementation relies on .alert() torelay its notifications. However, the use cases where SMBus HostNotify is needed currently is to signal data ready on touchpads.This is closer to an IRQ than a custom API through .alert().Given that the 2 touchpad manufacturers (Synaptics and Elan) thatuse SMBus Host Notify don't put any data in the SMBus payload, theconcept actually matches one to one.Benefits are multiple:- simpler code and API: the client will just have an IRQ, and nothing needs to be added in the adapter beside internally enabling it.- no more specific workqueue, the threading is handled by IRQ core directly (when required)- no more races when removing the device (the drivers are already required to disable irq on remove)- simpler handling for drivers: use plain regular IRQs- no more dependency on i2c-smbus for i2c-i801 (and any other adapter)- the IRQ domain is created automatically when the adapter exports the Host Notify capability- the IRQ are assign only if ACPI, OF and the caller did not assign one already- the domain is automatically destroyed on remove- fewer lines of code (minus 20, yeah!)Signed-off-by: Benjamin Tissoires Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

93d710a6 - i2c: mux: fix up dependencies

Mon, 14 Nov 2016 14:34:17 +0000

i2c: mux: fix up dependenciesWe get the following build error from UM Linux after addingan entry to drivers/iio/gyro/Kconfig that issues "select I2C_MUX":ERROR: "devm_ioremap_resource" [drivers/i2c/muxes/i2c-mux-reg.ko] undefined!ERROR: "of_address_to_resource" [drivers/i2c/muxes/i2c-mux-reg.ko] undefined!It appears that the I2C mux core code depends on HAS_IOMEMfor historical reasons, while CONFIG_I2C_MUX_REG does *not*have a direct dependency on HAS_IOMEM.This creates a situation where a allyesconfig or allmodconfigfor UM Linux will select I2C_MUX, and will implicitly enableI2C_MUX_REG as well, and the compilation will fail for theregister driver.Fix this up by making I2C_MUX_REG depend on HAS_IOMEM andremoving the dependency from I2C_MUX.Reported-by: kbuild test robot Reported-by: Jonathan Cameron Signed-off-by: Linus Walleij Acked-by: Jonathan Cameron Acked-by: Peter Rosin Signed-off-by: Wolfram Sang Cc: stable@kernel.org List of files: /linux-6.15/drivers/i2c/Kconfig

d380a204 - i2c: Update the description of I2C_SMBUS

Mon, 18 Jul 2016 10:39:43 +0000

i2c: Update the description of I2C_SMBUSWe support the SMBus Host Notify protocol now.Signed-off-by: Jean Delvare Reviewed-by: Benjamin Tissoires Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

6341e62b - kconfig: use bool instead of boolean for type definition attributes

Sat, 20 Dec 2014 20:41:11 +0000

kconfig: use bool instead of boolean for type definition attributesSupport for keyword 'boolean' will be dropped later on.No functional change.Reference: http://lkml.kernel.org/r/cover.1418003065.git.cj@linux.comSigned-off-by: Christoph Jaeger Signed-off-by: Michal Marek List of files: /linux-6.15/drivers/i2c/Kconfig

389be323 - i2c: slave-eeprom: add eeprom simulator driver

Tue, 18 Nov 2014 16:04:54 +0000

i2c: slave-eeprom: add eeprom simulator driverThe first user of the i2c-slave interface is an eeprom simulator. It isa shared memory which can be accessed by the remote master via I2C andlocally via sysfs.Signed-off-by: Wolfram Sang Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

36604751 - i2c: rework kernel config I2C_ACPI

Fri, 15 Aug 2014 05:38:59 +0000

i2c: rework kernel config I2C_ACPICommit da3c6647(I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPIconfig) adds a new kernel config I2C_ACPI and make I2C core built inwhen the config is selected. This is wrong because distributionsetc generally compile I2C as a module and the commit broken that.This patch is to rename I2C_ACPI to ACPI_I2C_OPREGION. New configonly controls ACPI I2C operation region code and depends on I2C=y.Signed-off-by: Lan Tianyu Reviewed-by: Mika Westerberg [wsa: removed unrelated change for Kconfig]Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

da3c6647 - I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI config

Tue, 20 May 2014 12:59:24 +0000

I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI configClean up ACPI related code in the i2c core and add CONFIG_I2C_ACPIto enable I2C ACPI code.Current there is a race between removing I2C ACPI operation regionand ACPI AML code accessing. So make i2c core built-in if CONFIG_I2C_ACPIis set.Reviewed-by: Mika Westerberg Signed-off-by: Lan Tianyu Signed-off-by: Wolfram Sang List of files: /linux-6.15/drivers/i2c/Kconfig

0244ad00 - Remove GENERIC_HARDIRQ config option

Fri, 30 Aug 2013 07:39:53 +0000

Remove GENERIC_HARDIRQ config optionAfter the last architecture switched to generic hard irqs the configoptions HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related codefor !CONFIG_GENERIC_HARDIRQS can be removed.Signed-off-by: Martin Schwidefsky List of files: /linux-6.15/drivers/i2c/Kconfig