drivers/regulator/core.c:5345:28: warning: symbol 'regulator_lookup_init_data' was not declared. Should it be static? Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 6a6c1f34d9d61..d8d2e0b18d0dc 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5342,7 +5342,7 @@ static struct regulator_coupler generic_regulator_coupler = { * and regulator name contained in @cfg and @desc. If so, a pointer to the * embedded &struct regulator_init_data is returned. No matches returns NULL. */ -struct regulator_init_data * +static struct regulator_init_data * regulator_lookup_init_data(const struct regulator_desc *desc, const struct regulator_config *cfg) {