kernel/drivers/hwmon/tmp401.c, branch linux-6.9.y

hwmon: (tmp401) convert to use maple tree register cache

2024-02-25T20:37:36Z

The maple tree register cache is based on a much more modern data structure than the rbtree cache and makes optimisation choices which are probably more appropriate for modern systems than those made by the rbtree cache. Signed-off-by: Bo Liu Link: https://lore.kernel.org/r/20240202072235.41614-1-liubo03@inspur.com Signed-off-by: Guenter Roeck

hwmon: Switch i2c drivers back to use .probe()

2023-06-08T13:41:17Z

After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new() call-back type"), all drivers being converted to .probe_new() and then 03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert back to (the new) .probe() to be able to eventually drop .probe_new() from struct i2c_driver. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20230505131718.1210071-1-u.kleine-koenig@pengutronix.de [groeck: Added missing change in pmbus/acbel-fsg032.c] Signed-off-by: Guenter Roeck

hwmon: move from strlcpy with unused retval to strscpy

2022-09-19T13:17:05Z

Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Signed-off-by: Wolfram Sang Link: https://lore.kernel.org/r/20220818210014.6769-1-wsa+renesas@sang-engineering.com Signed-off-by: Guenter Roeck

hwmon: (tmp401) Fix incorrect return value of tmp401_init_client

2022-05-20T17:57:05Z

When ti,n-factor, ti,beta-compentation are not defined in devicetree, of_property_read_u32|s32 returns -EINVAL. In this case, tmp401_init_client should return 0 instead of simply pass ret to its caller. Signed-off-by: Camel Guo Link: https://lore.kernel.org/r/20220425100019.562781-1-camel.guo@axis.com Signed-off-by: Guenter Roeck

hwmon: (tmp401) Add support of three advanced features

2022-05-20T17:57:05Z

tmp401 driver supports TMP401, TMP411 and TMP43X temperature sensors. According to their datasheet: - all of them support extended temperature range feature; - TMP411 and TPM43X support n-factor correction feature; - TMP43X support beta compensation feature. In order to support setting them during bootup, this commit reads ti,extended-range-enable, ti,n-factor and ti,beta-compensation and set the corresponding registers during probing. Signed-off-by: Camel Guo Link: https://lore.kernel.org/r/20220414075824.2634839-3-camel.guo@axis.com Signed-off-by: Guenter Roeck

hwmon: (tmp401) Add OF device ID table

2022-05-03T13:44:25Z

This driver doesn't have of_match_table. This makes the kernel module tmp401.ko lack alias patterns (e.g: of:N*T*Cti,tmp411) to match DT node of the supported devices hence this kernel module will not be automatically loaded. After adding of_match_table to this driver, the folllowing alias will be added into tmp401.ko. $ modinfo drivers/hwmon/tmp401.ko filename: drivers/hwmon/tmp401.ko ...... author: Hans de Goede alias: of:N*T*Cti,tmp435C* alias: of:N*T*Cti,tmp435 alias: of:N*T*Cti,tmp432C* alias: of:N*T*Cti,tmp432 alias: of:N*T*Cti,tmp431C* alias: of:N*T*Cti,tmp431 alias: of:N*T*Cti,tmp411C* alias: of:N*T*Cti,tmp411 alias: of:N*T*Cti,tmp401C* alias: of:N*T*Cti,tmp401 ...... Fixes: af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF") Signed-off-by: Camel Guo Link: https://lore.kernel.org/r/20220503114333.456476-1-camel.guo@axis.com Signed-off-by: Guenter Roeck

hwmon: (tmp401) Hide register write address differences in regmap code

2021-12-26T23:02:05Z

Since we are using regmap access functions to write into chip registers, we can hide the difference in register write addresses within regmap code. By doing this we do not need to clear the regmap cache on register writes, and the high level code does not need to bother about different read/write register addresses. Signed-off-by: Guenter Roeck

hwmon: (tmp401) Use regmap

2021-12-26T23:02:05Z

Use regmap for register accesses to be able to utilize its caching functionality. This also lets us hide register access differences in regmap code. Signed-off-by: Guenter Roeck

hwmon: (tmp401) Convert to _info API

2021-12-26T23:02:05Z

The new API is cleaner and reduces code size significantly. All chip accesses are 'hidden' in chip access to prepare for using regmap. Local caching code is removed, to be replaced by regmap based caching in a follow-up patch. Signed-off-by: Guenter Roeck

hwmon: (tmp401) Simplify temperature register arrays

2021-12-26T23:02:05Z

The difference between TMP431 and other chips of this series is that the TMP431 has an additional sensor. The register addresses for other sensors are the same for all chips. It is therefore unnecessary to maintain two different arrays for TMP431 and the other chips. Just use the same array for all chips and add the TMP431 register addresses as third column. Signed-off-by: Guenter Roeck