diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2023-04-06 22:29:56 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-04-07 08:45:17 -0700 |
| commit | d8cc9415a40f479b666fc03e7b1f4601868e6dc8 (patch) | |
| tree | 9e51cbfab9e589649a2235e61276b6a1c937128f | |
| parent | 7e364e56293bb98cae1b55fd835f5991c4e96e7d (diff) | |
| download | linux-d8cc9415a40f479b666fc03e7b1f4601868e6dc8.tar.gz linux-d8cc9415a40f479b666fc03e7b1f4601868e6dc8.tar.bz2 linux-d8cc9415a40f479b666fc03e7b1f4601868e6dc8.zip | |
hwmon: constify pointers to hwmon_channel_info
HWmon core receives an array of pointers to hwmon_channel_info and it
does not modify it, thus it can be array of const pointers for safety.
This allows drivers to make them also const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/hwmon-kernel-api.rst | 6 | ||||
| -rw-r--r-- | drivers/accel/habanalabs/common/hwmon.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/hwmon.c | 4 | ||||
| -rw-r--r-- | include/linux/hwmon.h | 2 |
4 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/hwmon/hwmon-kernel-api.rst b/Documentation/hwmon/hwmon-kernel-api.rst index 5451a6d4c874..f00e4a01c240 100644 --- a/Documentation/hwmon/hwmon-kernel-api.rst +++ b/Documentation/hwmon/hwmon-kernel-api.rst @@ -133,7 +133,7 @@ The hwmon_chip_info structure looks as follows:: struct hwmon_chip_info { const struct hwmon_ops *ops; - const struct hwmon_channel_info **info; + const struct hwmon_channel_info * const *info; }; It contains the following fields: @@ -229,7 +229,7 @@ register (HWMON_T_MAX) as well as a maximum temperature hysteresis register .config = lm75_temp_config, }; - static const struct hwmon_channel_info *lm75_info[] = { + static const struct hwmon_channel_info * const lm75_info[] = { &lm75_chip, &lm75_temp, NULL @@ -238,7 +238,7 @@ register (HWMON_T_MAX) as well as a maximum temperature hysteresis register The HWMON_CHANNEL_INFO() macro can and should be used when possible. With this macro, the above example can be simplified to - static const struct hwmon_channel_info *lm75_info[] = { + static const struct hwmon_channel_info * const lm75_info[] = { HWMON_CHANNEL_INFO(chip, HWMON_C_REGISTER_TZ | HWMON_C_UPDATE_INTERVAL), HWMON_CHANNEL_INFO(temp, diff --git a/drivers/accel/habanalabs/common/hwmon.c b/drivers/accel/habanalabs/common/hwmon.c index 55eb0203817f..8598056216e7 100644 --- a/drivers/accel/habanalabs/common/hwmon.c +++ b/drivers/accel/habanalabs/common/hwmon.c @@ -914,7 +914,7 @@ void hl_hwmon_fini(struct hl_device *hdev) void hl_hwmon_release_resources(struct hl_device *hdev) { - const struct hwmon_channel_info **channel_info_arr; + const struct hwmon_channel_info * const *channel_info_arr; int i = 0; if (!hdev->hl_chip_info->info) diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index d193ed3cb35e..c7ebef1990c8 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -174,7 +174,7 @@ static int hwmon_thermal_set_trips(struct thermal_zone_device *tz, int low, int struct hwmon_thermal_data *tdata = tz->devdata; struct hwmon_device *hwdev = to_hwmon_device(tdata->dev); const struct hwmon_chip_info *chip = hwdev->chip; - const struct hwmon_channel_info **info = chip->info; + const struct hwmon_channel_info * const *info = chip->info; unsigned int i; int err; @@ -253,7 +253,7 @@ static int hwmon_thermal_register_sensors(struct device *dev) { struct hwmon_device *hwdev = to_hwmon_device(dev); const struct hwmon_chip_info *chip = hwdev->chip; - const struct hwmon_channel_info **info = chip->info; + const struct hwmon_channel_info * const *info = chip->info; void *drvdata = dev_get_drvdata(dev); int i; diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index c1b62384b6ee..492dd27a5dd8 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -430,7 +430,7 @@ struct hwmon_channel_info { */ struct hwmon_chip_info { const struct hwmon_ops *ops; - const struct hwmon_channel_info **info; + const struct hwmon_channel_info * const *info; }; /* hwmon_device_register() is deprecated */ |