On Thu, 5 Jan 2023 17:50:38 +0800 Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> wrote: > Variable max44009_of_match is not effectively used, so delete it. > > drivers/iio/light/max44009.c:545:34: warning: ‘max44009_of_match’ defined but not used. > > Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3632 > Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> > Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> Thanks, but a better fix would be to set the of_device_id element of the driver structure to point to this (you'll need to move the of_device_id table up a few lines) Also, the MODULE_DEVICE_TABLE() macro is using this if you are building modules - so I'm fairly sure this is a false positive warning anyway. The resulting alias can be used as part of a module autoloading. Jonathan > --- > drivers/iio/light/max44009.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/drivers/iio/light/max44009.c b/drivers/iio/light/max44009.c > index 3dadace09fe2..2f80a654ad6a 100644 > --- a/drivers/iio/light/max44009.c > +++ b/drivers/iio/light/max44009.c > @@ -542,12 +542,6 @@ static struct i2c_driver max44009_driver = { > }; > module_i2c_driver(max44009_driver); > > -static const struct of_device_id max44009_of_match[] = { > - { .compatible = "maxim,max44009" }, > - { } > -}; > -MODULE_DEVICE_TABLE(of, max44009_of_match); > - > MODULE_AUTHOR("Robert Eshleman <bobbyeshleman@xxxxxxxxx>"); > MODULE_LICENSE("GPL v2"); > MODULE_DESCRIPTION("MAX44009 ambient light sensor driver");
