[RFC PATCH] iio: adc: ad7091r5: ad7091r_remove() can be static

[kbuild test robot <lkp@xxxxxxxxx>]

Fixes: 608229aeaa1f ("iio: adc: ad7091r5: Add scale and external VREF support")
Signed-off-by: kbuild test robot <lkp@xxxxxxxxx>
---
 ad7091r-base.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index fda1112e73760..dc42735680c83 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -204,7 +204,7 @@ static irqreturn_t ad7091r_event_handler(int irq, void *private)
 	return IRQ_HANDLED;
 }
 
-void ad7091r_remove(void *data)
+static void ad7091r_remove(void *data)
 {
 	struct ad7091r_state *st;