regulator: rt4801: Fix W=1 build warning when CONFIG_OF=n

Fix below warning when CONFIG_OF=n:

drivers/regulator/rt4801-regulator.c:206:34: warning: unused variable 'rt4801_of_id' [-Wunused-const-variable]
  206 | static const struct of_device_id rt4801_of_id[] = {
      |                                  ^~~~~~~~~~~~

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/1598234713-8532-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/rt4801-regulator.c b/drivers/regulator/rt4801-regulator.c
index 0ddc670a3888996c54569e4412deee4e213677a2..2055a9cb13ba549ddcd940035e41fb8437b2468f 100644 (file)
--- a/drivers/regulator/rt4801-regulator.c
+++ b/drivers/regulator/rt4801-regulator.c
@@ -203,7 +203,7 @@ static int rt4801_probe(struct i2c_client *i2c)
        return 0;
 }
 
-static const struct of_device_id rt4801_of_id[] = {
+static const struct of_device_id __maybe_unused rt4801_of_id[] = {
        { .compatible = "richtek,rt4801", },
        { },
 };