../drivers/mfd/zl3073x-i2c.c:23:30: warning: variable 'id' set but not used [-Wunused-but-set-variable]
   23 |         const struct i2c_device_id *id;
      |                                     ^
1 warning generated.
../drivers/mfd/zl3073x-spi.c:24:30: warning: variable 'id' set but not used [-Wunused-but-set-variable]
   24 |         const struct spi_device_id *id;
      |                                     ^
1 warning generated.
../drivers/mfd/zl3073x-spi.c:24:30: warning: variable 'id' set but not used [-Wunused-but-set-variable]
   24 |         const struct spi_device_id *id;
      |                                     ^
1 warning generated.
../drivers/mfd/zl3073x-i2c.c:23:30: warning: variable 'id' set but not used [-Wunused-but-set-variable]
   23 |         const struct i2c_device_id *id;
      |                                     ^
1 warning generated.