On Thu, May 6, 2021 at 6:57 AM Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > With CONFIG_ACPI=n, W=1 and -Werror, 0-day reports: > > drivers/iio/accel/stk8312.c:644:36: error: > 'stk8312_acpi_id' defined but not used > > Apparently STK8312 is not a valid ACPI ID. Remove it and with it > ACPI support from the stk8312 driver. Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> For the record, point finger on me in case somebody complains about any of such patches. > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Cc: Hans de Goede <hdegoede@xxxxxxxxxx> > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > There is another patch pending which makes whitespace changes in struct > acpi_device_id stk8312_acpi_id. This will result in a conflict if this > patch is applied. In that patch, it is claimed that the driver would > possibly only be used based on its ACPI ID (even though that ACPI device > ID is not official). > Link: https://patchwork.kernel.org/project/linux-iio/patch/20210401144226.225928-1-jic23@xxxxxxxxxx/ > I can not determine if that claim has any truth in it. Still, it appears > that the device ID is not an official device ID. > > drivers/iio/accel/stk8312.c | 9 --------- > 1 file changed, 9 deletions(-) > > diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c > index 157d8faefb9e..2fc30cfe1457 100644 > --- a/drivers/iio/accel/stk8312.c > +++ b/drivers/iio/accel/stk8312.c > @@ -7,7 +7,6 @@ > * IIO driver for STK8312; 7-bit I2C address: 0x3D. > */ > > -#include <linux/acpi.h> > #include <linux/i2c.h> > #include <linux/interrupt.h> > #include <linux/kernel.h> > @@ -640,18 +639,10 @@ static const struct i2c_device_id stk8312_i2c_id[] = { > }; > MODULE_DEVICE_TABLE(i2c, stk8312_i2c_id); > > -static const struct acpi_device_id stk8312_acpi_id[] = { > - {"STK8312", 0}, > - {} > -}; > - > -MODULE_DEVICE_TABLE(acpi, stk8312_acpi_id); > - > static struct i2c_driver stk8312_driver = { > .driver = { > .name = STK8312_DRIVER_NAME, > .pm = STK8312_PM_OPS, > - .acpi_match_table = ACPI_PTR(stk8312_acpi_id), > }, > .probe = stk8312_probe, > .remove = stk8312_remove, > -- > 2.25.1 > -- With Best Regards, Andy Shevchenko
