[PATCH] iio: light: cm32181: make cm32181_pm_ops static

[sunliming]

This symbol is not used outside of cm32181.c, so marks it static.

Fixes the following sparse warnings:
>> drivers/iio/light/cm32181.c:508:1: sparse: sparse: symbol 'cm32181_pm_ops'
was not declared. Should it be static?

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: sunliming <sunliming@xxxxxxxxxx>
---
 drivers/iio/light/cm32181.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index edbe6a3138d0..001055d09750 100644
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -505,7 +505,7 @@ static int cm32181_resume(struct device *dev)
 					 cm32181->conf_regs[CM32181_REG_ADDR_CMD]);
 }
 
-DEFINE_SIMPLE_DEV_PM_OPS(cm32181_pm_ops, cm32181_suspend, cm32181_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(cm32181_pm_ops, cm32181_suspend, cm32181_resume);
 
 static const struct of_device_id cm32181_of_match[] = {
 	{ .compatible = "capella,cm3218" },
-- 
2.25.1