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2017-08-14i2c: mux: mlxcpld: move header file out of I2C realmWolfram Sang1-1/+1
include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Peter Rosin <[email protected]>
2017-08-14i2c: mux: pca954x: move header file out of I2C realmWolfram Sang2-2/+2
include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Peter Rosin <[email protected]>
2017-08-14i2c: mux: pca9541: sort include filesWolfram Sang1-4/+3
Make it consistent with the other drivers. Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Peter Rosin <[email protected]>
2017-08-13i2c-cht-wc: Add Intel Cherry Trail Whiskey Cove SMBUS controller driverHans de Goede3-0/+346
The Intel Cherry Trail Whiskey Cove PMIC does not contain a builtin battery charger, instead boards with this PMIC use an external TI bq24292i charger IC, which is connected to a SMBUS controller built into the PMIC. This commit adds an i2c-bus driver for the PMIC's builtin SMBUS controller. The probe function for this i2c-bus will also register an i2c-client for the TI bq24292i charger after the i2c-bus has been registered. Note that several device-properties are set on the client-device to tell the bq24190 power-supply driver to integrate the Whiskey Cove PMIC and e.g. use the PMIC's BC1.2 detection (through extcon) to determine the maximum input current. Signed-off-by: Hans de Goede <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-08-12i2c: rk3x: add support for rv1108Andy Yan1-0/+9
Support for the i2c controller on rv1108 soc. Signed-off-by: Andy Yan <[email protected]> Reviewed-by: Heiko Stuebner <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-08-12i2c: uniphier-f: add suspend / resume supportMasahiro Yamada1-9/+37
When resuming, set up registers that have been lost in the sleep state. Also, add clock handling in the resume / suspend hooks. Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-08-12i2c: uniphier: add suspend / resume supportMasahiro Yamada1-5/+35
When resuming, set up registers that have been lost in the sleep state. Also, add clock handling in the resume / suspend hooks. Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-08-12i2c: constify internal structuresGustavo A. R. Silva4-5/+5
Check for i2c_algorithm and i2c_adapter_quirks structures that are only stored in the algo and quirks fields of an i2c_adapter structure correspondingly. These fields are declared const, so i2c_algorithm and i2c_adapter_quirks structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <[email protected]> Acked-by: Andy Shevchenko <[email protected]> (for designware) Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31i2c: Convert to using %pOF instead of full_nameRob Herring5-25/+21
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <[email protected]> Acked-by: Maxime Ripard <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31i2c: allow i2c-versatile for ARM MPS platformsRussell King1-1/+1
Allow i2c-versatile to be enabled for ARM MPS platforms. Signed-off-by: Russell King <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31i2c: use dev_get_drvdata() to get private data in suspend/resume hooksMasahiro Yamada13-48/+24
Several drivers call to_platform_device() to get platform_device and pass it to platform_get_drvdata(). In platform_get_drvdata(), the platform_device is converted back to struct device again. Use dev_get_drvdata() to avoid platform_device/device dance. Signed-off-by: Masahiro Yamada <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> (for DesignWare only) Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31Merge branch 'i2c-mux/for-current' of https://github.com/peda-r/i2c-mux into ↵Wolfram Sang1-1/+1
i2c/for-current
2017-07-31i2c: mediatek: send i2c master code at 400kJun Gao1-19/+46
The speed of sending i2c master code in high-speed mode depends on source clock, clock-div and TIMING register. The source clock and clock-div of different SoC are not all the same. In order to send i2c master code at 400k in high-speed mode, a appropriate value should be set to TIMING register for a certain source clock and clock-div. Signed-off-by: Jun Gao <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31i2c: designware: Some broken DSTDs use 1MiHz instead of 1MHzHans de Goede1-0/+3
At least the Acer Iconia Tab8 / aka W1-810 uses 1MiHz instead of 1MHz for one of its busses, fix this up to 1MHz instead of failing the probe of that bus. This fixes the accelerometer on the Acer Iconia Tab8 not working. Cc: [email protected] Signed-off-by: Hans de Goede <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31i2c: designware: Print clock freq on invalid clock freq errorHans de Goede1-1/+2
When we refuse to probe due to an invalid clock frequency, log the frequency which is causing this error. Signed-off-by: Hans de Goede <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-31i2c: core: Allow empty id_table in ACPI case as wellAndy Shevchenko3-4/+25
For now empty ID table is not allowed with ACPI and prevents driver to be probed. Add a check to allow empty ID table. This introduces a helper i2c_acpi_match_device(). Note, we rename some static function in i2c-core-acpi.c to distinguish with public API. Fixes: da10c06a044b ("i2c: Make I2C ID tables non-mandatory for DT'ed devices") Signed-off-by: Andy Shevchenko <[email protected]> Tested-by: Rajmohan Mani <[email protected]> Acked-by: Mika Westerberg <[email protected]> [wsa: needed to get some drivers probed again] Signed-off-by: Wolfram Sang <[email protected]>
2017-07-17i2c: mux: pinctrl: mention correct module name in Kconfig help textChris Gorman1-1/+1
Kconfig says the resulting module is pinctrl-i2cmux, but the module when built is i2c-mux-pinctrl. Fixes: ae58d1e40698 ("i2c: Add generic I2C multiplexer using pinctrl API") Signed-off-by: Chris Gorman <[email protected]> Signed-off-by: Peter Rosin <[email protected]>
2017-07-12Merge branch 'i2c/for-4.13' of ↵Linus Torvalds29-2239/+4551
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: "This pull request contains: - i2c core reorganization. One source file became too monolithic. It is now split up, yet we still have the same named object as the final output. This should ease maintenance. - new drivers: ZTE ZX2967 family, ASPEED 24XX/25XX - designware driver gained slave mode support - xgene-slimpro driver gained ACPI support - bigger overhaul for pca-platform driver - the algo-bit module now supports messages with enforced STOP - slightly bigger than usual set of driver updates and improvements and with much appreciated quality assurance from Andy Shevchenko" * 'i2c/for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (51 commits) i2c: Provide a stub for i2c_detect_slave_mode() i2c: designware: Let slave adapter support be optional i2c: designware: Make HW init functions static i2c: designware: fix spelling mistakes i2c: pca-platform: propagate error from i2c_pca_add_numbered_bus i2c: pca-platform: correctly set algo_data.reset_chip i2c: acpi: Do not create i2c-clients for LNXVIDEO ACPI devices i2c: designware: enable SLAVE in platform module i2c: designware: add SLAVE mode functions i2c: zx2967: drop COMPILE_TEST dependency i2c: zx2967: always use the same device when printing errors i2c: pca-platform: use dev_warn/dev_info instead of printk i2c: pca-platform: use device managed allocations i2c: pca-platform: add devicetree awareness i2c: pca-platform: switch to struct gpio_desc dt-bindings: add bindings for i2c-pca-platform i2c: cadance: fix ctrl/addr reg write order i2c: zx2967: add i2c controller driver for ZTE's zx2967 family dt: bindings: add documentation for zx2967 family i2c controller i2c: algo-bit: add support for I2C_M_STOP ...
2017-07-04i2c: designware: Let slave adapter support be optionalJarkko Nikula2-1/+4
Only certain system configurations may use the I2C slave mode so let the support be optional. This allow reducing module size if needed: text data bss dec hex filename 10328 1336 16 11680 2da0 drivers/i2c/busses/i2c-designware-core.ko 7222 1136 8 8366 20ae drivers/i2c/busses/i2c-designware-core.ko Signed-off-by: Jarkko Nikula <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Tested-by: Luis Oliveira <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-04i2c: designware: Make HW init functions staticJarkko Nikula3-8/+4
Recent i2c-designware slave support patches use master or slave HW init functions through the function pointer so we can declare them static. While at it, rename i2c_dw_init() as i2c_dw_init_master(). Signed-off-by: Jarkko Nikula <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Tested-by: Luis Oliveira <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-04i2c: designware: fix spelling mistakesColin Ian King1-1/+1
Trivial fixes to spelling mistakes in dev_dbg message "STAUTS" -> "STATUS" "SLAVE_ACTTVITY" -> "SLAVE_ACTIVITY" Signed-off-by: Colin Ian King <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-04i2c: pca-platform: propagate error from i2c_pca_add_numbered_busChris Packham1-3/+3
Rather than returning -ENODEV if i2c_pca_add_numbered_bus() fails, propagate the error to aid debugging. Suggested-by: Andy Shevchenko <[email protected]> Signed-off-by: Chris Packham <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-04i2c: pca-platform: correctly set algo_data.reset_chipChris Packham1-2/+4
When device tree support was added the setting of algo_data.reset_chip was moved. There were two problems with this. The first being that i2c_pca_pf_resetchip was only used if platform data was provided. The second that it was unconditionally overridden with i2c_pca_pf_dummyreset. Ensure that however the reset gpio is defined the correct reset_chip function is used. Fixes: commit 4cc7229daa46 ("i2c: pca-platform: switch to struct gpio_desc") Signed-off-by: Chris Packham <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-04i2c: acpi: Do not create i2c-clients for LNXVIDEO ACPI devicesHans de Goede1-0/+12
ACPI video devices get tagged by the kernel with the custom LNXVIDEO HID so that normal pnp-id matching can be used and are handled by the acpi-video driver. Sometimes the ACPI nodes describing these contain a SERIAL_TYPE_I2C ACPI resource. Before this commit the presence of this resource would cause the i2c-core to create a /sys/bus/i2c/devices/i2c-LNXVIDEO:00 device for this with a modalias of: "i2c:LNXVIDEO:00". There is no i2c driver for this custom HID, the acpi-video driver binds directly to the ACPI device /sys/bus/acpi/devices/LNXVIDEO\:00 which has a modalias of "acpi:LNXVIDEO:" . Not only is the creation of an i2c-client for this undesirable, it is actually causing problems. This weird pseudo-resource claims an i2c speed of 100KHz and typically points to the i2c bus which is used by the touchscreen controller. Some touchscreen controllers only work properly at 400KHz, at 100KHz they cause errors like these: i2c_designware 80860F41:03: i2c_dw_handle_tx_abort: lost arbitration i2c_designware 80860F41:03: i2c_dw_handle_tx_abort: lost arbitration i2c_designware 80860F41:03: i2c_dw_handle_tx_abort: lost arbitration i2c_designware 80860F41:03: i2c_dw_handle_tx_abort: lost arbitration silead_ts i2c-MSSL1680:00: Registers clear error -11 This commit makes the i2c-core ignore LNXVIDEO compatible ACPI devices which has 2 positive results: 1) The bogus i2c-client for these is no longer created. 2) i2c_acpi_lookup_speed now ignores the 100KHz speed from the pseudo i2c-resouce and properly returns 400KHz as speed for the touchscreen i2c bus, fixing the touchscreen not working on various devies. Signed-off-by: Hans de Goede <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-07-03Merge tag 'char-misc-4.13-rc1' of ↵Linus Torvalds3-0/+187
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc updates from Greg KH: "Here is the "big" char/misc driver patchset for 4.13-rc1. Lots of stuff in here, a large thunderbolt update, w1 driver header reorg, the new mux driver subsystem, google firmware driver updates, and a raft of other smaller things. Full details in the shortlog. All of these have been in linux-next for a while with the only reported issue being a merge problem with this tree and the jc-docs tree in the w1 documentation area" * tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (147 commits) misc: apds990x: Use sysfs_match_string() helper mei: drop unreachable code in mei_start mei: validate the message header only in first fragment. DocBook: w1: Update W1 file locations and names in DocBook mux: adg792a: always require I2C support nvmem: rockchip-efuse: add support for rk322x-efuse nvmem: core: add locking to nvmem_find_cell nvmem: core: Call put_device() in nvmem_unregister() nvmem: core: fix leaks on registration errors nvmem: correct Broadcom OTP controller driver writes w1: Add subsystem kernel public interface drivers/fsi: Add module license to core driver drivers/fsi: Use asynchronous slave mode drivers/fsi: Add hub master support drivers/fsi: Add SCOM FSI client device driver drivers/fsi/gpio: Add tracepoints for GPIO master drivers/fsi: Add GPIO based FSI master drivers/fsi: Document FSI master sysfs files in ABI drivers/fsi: Add error handling for slave drivers/fsi: Add tracepoints for low-level operations ...
2017-06-27i2c: designware: enable SLAVE in platform moduleLuis Oliveira2-5/+38
- Slave mode selected in platform module if the support is detected in the DT. Signed-off-by: Luis Oliveira <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: designware: add SLAVE mode functionsLuis Oliveira5-1/+418
- Changes in Kconfig to enable I2C_DESIGNWARE_SLAVE support - Slave functions added to core library file - Slave abort sources added to common source file - New driver: i2c-designware-slave added - Changes in the Makefile to compile the I2C_DESIGNWARE_SLAVE module when supported by the architecture. All the SLAVE flow is added but it is not enabled via platform driver. Signed-off-by: Luis Oliveira <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Acked-by: Jarkko Nikula <[email protected]> [wsa: made a function static and one-lined a message] Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: zx2967: drop COMPILE_TEST dependencyShawn Guo1-1/+1
0-DAY kernel test reports the following build issue on IA64 architecture with allmodconfig. drivers/i2c/busses/i2c-zx2967.c: In function 'zx2967_i2c_writesb': >> drivers/i2c/busses/i2c-zx2967.c:87:2: error: implicit declaration of function 'writesb' [-Werror=implicit-function-declaration] writesb(i2c->reg_base + reg, data, len); ^~~~~~~ drivers/i2c/busses/i2c-zx2967.c: In function 'zx2967_i2c_readsb': >> drivers/i2c/busses/i2c-zx2967.c:93:2: error: implicit declaration of function 'readsb' [-Werror=implicit-function-declaration] readsb(i2c->reg_base + reg, data, len); ^~~~~~ cc1: some warnings being treated as errors It's caused by that writesb/readsb are unavailable on IA64 architecture. Let's drop COMPILE_TEST dependency to avoid the build issue. Reported-by: kbuild test robot <[email protected]> Signed-off-by: Shawn Guo <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: zx2967: always use the same device when printing errorsWolfram Sang1-1/+1
Let's always use the platform device for dev_* and not sometimes the adapter device as well. Also fix this checkpatch check: CHECK: Macro argument 'i2c' may be better as '(i2c)' to avoid precedence issues Signed-off-by: Wolfram Sang <[email protected]> Acked-by: Shawn Guo <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: pca-platform: use dev_warn/dev_info instead of printkChris Packham1-3/+3
Signed-off-by: Chris Packham <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: pca-platform: use device managed allocationsChris Packham1-47/+12
Switch to using the devm_ APIs and remove the now unnecessary error handling and most of the device removal code. Signed-off-by: Chris Packham <[email protected]> [wsa: adapted error handling I added in previous patch] Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: pca-platform: add devicetree awarenessChris Packham1-0/+25
Allow devices that use this driver to be registered via a devicetree. Signed-off-by: Chris Packham <[email protected]> [wsa: fixed leakage when registering GPIO failed] Signed-off-by: Wolfram Sang <[email protected]>
2017-06-27i2c: pca-platform: switch to struct gpio_descChris Packham1-24/+19
Make use of struct gpio_desc which allows us to specify the active state of the reset pin. Signed-off-by: Chris Packham <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-23i2c: cadance: fix ctrl/addr reg write orderMatt Weber1-3/+3
The driver was clearing the hold bit in the control register before writing to the address register which resulted in a stop condition being generated rather than a repeated start. This issue was only observed when a system was running much slower than a normal processor would execute. The IP data sheet mentions a ordering of writing to the address register before clearing the hold. Fixes: df8eb5691c4 ("i2c: Add driver for Cadence I2C controller") Signed-off-by: John Linn <[email protected]> Signed-off-by: Paresh Chaudhary <[email protected]> Signed-off-by: Matthew Weber <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-23i2c: zx2967: add i2c controller driver for ZTE's zx2967 familyBaoyou Xie3-0/+619
This patch adds i2c controller driver for ZTE's zx2967 family. Signed-off-by: Baoyou Xie <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Reviewed-by: Jun Nie <[email protected]> Signed-off-by: Shawn Guo <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-23i2c: algo-bit: add support for I2C_M_STOPJean Delvare1-3/+10
Support for enforced STOPs will allow us to use SCCB compatible devices. Based on a preliminary patch by Wolfram Sang. Signed-off-by: Jean Delvare <[email protected]> Tested-by: Wolfram Sang <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-23i2c: aspeed: added slave support for Aspeed I2C driverBrendan Higgins1-0/+201
Added slave support for Aspeed I2C controller. Supports fourteen busses present in AST24XX and AST25XX BMC SoCs by Aspeed. Signed-off-by: Brendan Higgins <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-23i2c: aspeed: added driver for Aspeed I2CBrendan Higgins3-0/+701
Added initial master support for Aspeed I2C controller. Supports fourteen busses present in AST24XX and AST25XX BMC SoCs by Aspeed. Signed-off-by: Brendan Higgins <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-23i2c: rcar: document HW incapabilitiesWolfram Sang1-1/+6
Add recent findings (IGNORE_NAK) and document in a bit more detail why the feature is not possible. Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-22i2c: imx: Use correct function to write to registerMichail Georgios Etairidis1-4/+4
The i2c-imx driver incorrectly uses readb()/writeb() to read and write to the appropriate registers when performing a repeated start. The appropriate imx_i2c_read_reg()/imx_i2c_write_reg() functions should be used instead. Performing a repeated start results in a kernel panic. The platform is imx. Signed-off-by: Michail G Etairidis <[email protected]> Fixes: ce1a78840ff7 ("i2c: imx: add DMA support for freescale i2c driver") Fixes: 054b62d9f25c ("i2c: imx: fix the i2c bus hang issue when do repeat restart") Acked-by: Fugang Duan <[email protected]> Acked-by: Uwe Kleine-König <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: emev2: Handle return value of clk_prepare_enableArvind Yadav1-1/+3
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: designware: introducing I2C_SLAVE definitionsLuis Oliveira1-2/+31
- Definitions were added to core library - A example was added to designware-core.txt Documentation that shows how the slave can be setup using DTS SLAVE related definitions were added to the core of the controller. Signed-off-by: Luis Oliveira <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Acked-by: Rob Herring <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: designware: MASTER mode as separated driverLuis Oliveira6-368/+433
- The functions related to I2C master mode of operation were transformed in a single driver. - Common definitions were moved to i2c-designware-core.h - The i2c-designware-core is now only a library file, the functions associated are in a source file called i2c-designware-common and are used by both i2c-designware-master and i2c-designware-slave. - To decrease noise in namespace common i2c_dw_*() functions are now using ops to keep them private. - Designware PCI driver had to be changed to match the previous ops functions implementation. Almost all of the "core" source is now part of the "master" source. The difference is the functions used by both modes and they are in the "common" source file. Signed-off-by: Luis Oliveira <[email protected]> Acked-by: Andy Shevchenko <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: designware: refactoring of the i2c-designwareLuis Oliveira2-35/+52
- Factor out all _master() part of code from i2c-designware-core and i2c-designware-platdrv to separate functions. - Standardize all code related with MASTER mode. - I have to take off DW_IC_INTR_TX_EMPTY from DW_IC_INTR_DEFAULT_MASK because it is master specific. The purpose of this is to prepare the controller to have is I2C MASTER flow in a separate driver. To do this first all the functions/definitions related to the MASTER flow were identified. Signed-off-by: Luis Oliveira <[email protected]> Acked-by: Andy Shevchenko <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: designware: Cleaning and comment style fixes.Luis Oliveira3-61/+62
The purpose of this commit is to fix some comments and styling in the existing code due to the need of reuse this code. What is being made here is: - Sorted the headers files - Corrected some comments style (capital letters, lowcase i2c) - Reverse tree in the variables declaration - Add/remove empty lines and tabs where needed - Fix of misspelled word "endianness" and "transferred" - Replaced the return variable "r" with the more standard "ret" The value of this, besides the rules of coding style, is because I will use this code after and it will make my future patch a lot bigger and complicated to review. The work here won't bring any additional work to backported fixes because is just style and reordering. Signed-off-by: Luis Oliveira <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: at91: Fix compilation warning.Arvind Yadav1-4/+4
Replace '%d' by '%zu' to fix the following type of compilation warnings: drivers/i2c/busses/i2c-at91.c:277:2: warning: format ‘%d’ expects argument of type ‘int’, but argument 5 has type ‘size_t’ [-Wformat=] dev_dbg(dev->dev, "wrote 0x%x, to go %d\n", *dev->buf, dev->buf_len); ^ Signed-off-by: Arvind Yadav <[email protected]> Acked-by: Ludovic Desroches <[email protected]> Tested-by: Wolfram Sang <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: at91: Handle return value of clk_prepare_enableArvind Yadav1-2/+6
clk_prepare_enable() can fail here and we must check its return value. Also, add a missing clk_disable_unprepare(). Signed-off-by: Arvind Yadav <[email protected]> Acked-by: Ludovic Desroches <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: use proper name for the R-Car SoCWolfram Sang1-1/+1
It is 'R-Car', not 'RCar'. No code or binding changes, only descriptive text. Signed-off-by: Wolfram Sang <[email protected]> Acked-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: xlp9xx: Enable HWMON class probing for xlp9xxGeorge Cherian1-0/+1
Set I2C_CLASS_HWMON for xlp9xx to enable automatic probing of BMC devices by the ipmi-ssif driver. Signed-off-by: George Cherian <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2017-06-19i2c: i801: Add support for Intel Cannon LakeSrinivas Pandruvada2-0/+10
Added SMBUS PCI Ids for SMBUS for Cannon Lake PCH. Signed-off-by: Srinivas Pandruvada <[email protected]> [[email protected]: Add entries to Documentation and Kconfig. Cover Cannon Lake-H too] Signed-off-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
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