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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2023-04-06 22:29:56 +0200
committerGuenter Roeck <linux@roeck-us.net>2023-04-07 08:45:17 -0700
commitd8cc9415a40f479b666fc03e7b1f4601868e6dc8 (patch)
tree9e51cbfab9e589649a2235e61276b6a1c937128f /Documentation/hwmon/hwmon-kernel-api.rst
parent7e364e56293bb98cae1b55fd835f5991c4e96e7d (diff)
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>
Diffstat (limited to 'Documentation/hwmon/hwmon-kernel-api.rst')
-rw-r--r--Documentation/hwmon/hwmon-kernel-api.rst6
1 files changed, 3 insertions, 3 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,