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authorRen Zhijie <renzhijie2@huawei.com>2022-06-09 14:04:48 +0200
committerGuenter Roeck <linux@roeck-us.net>2022-07-13 17:38:20 +0200
commit0356d778aa1e14d80db40a9dae02192d6b47a5ac (patch)
treeb472581f95ec04ad9ce49f51803d4aedd392870c /drivers/hwmon
parenthwmon: (lm90) Read the channel's temperature offset from device-tree (diff)
downloadlinux-0356d778aa1e14d80db40a9dae02192d6b47a5ac.tar.xz
linux-0356d778aa1e14d80db40a9dae02192d6b47a5ac.zip
hwmon: (pmbus) fix build error unused-function
If CONFIG_PMBUS is y and CONFIG_DEBUG_FS is not set. make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-, will be failed, like this: drivers/hwmon/pmbus/pmbus_core.c:593:13: error: ‘pmbus_check_block_register’ defined but not used [-Werror=unused-function] static bool pmbus_check_block_register(struct i2c_client *client, int page, ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[3]: *** [drivers/hwmon/pmbus/pmbus_core.o] Error 1 make[2]: *** [drivers/hwmon/pmbus] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [drivers/hwmon] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [drivers] Error 2 To fix building warning, use __maybe_unused to attach this func. Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: c3ffc3a1ff83("hwmon: (pmbus) add a function to check the presence of a block register") Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> Link: https://lore.kernel.org/r/20220609120448.139907-1-renzhijie2@huawei.com [groeck: Fixed continuation line alignment] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 809e666cb52b..4187dc20d2aa 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -590,8 +590,8 @@ bool pmbus_check_word_register(struct i2c_client *client, int page, int reg)
}
EXPORT_SYMBOL_NS_GPL(pmbus_check_word_register, PMBUS);
-static bool pmbus_check_block_register(struct i2c_client *client, int page,
- int reg)
+static bool __maybe_unused pmbus_check_block_register(struct i2c_client *client,
+ int page, int reg)
{
int rv;
struct pmbus_data *data = i2c_get_clientdata(client);