# \[PATCH v3 03/10\] iio: adc: at91-sama5d2\_adc: remove unused definition

- From: Eugen Hristev \<hidden\>
- Date: 2021-09-01 12:31:33 
- List: linux-devicetree
- Page: https://ratatoskr.run/linux-devicetree/2021/09/1494444
- Thread: https://ratatoskr.run/linux-iio/2021/09/1494438/t.md

```text
Remove unused register definition

Signed-off-by: Eugen Hristev <redacted>
---
 drivers/iio/adc/at91-sama5d2_adc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 1f4d461c2c18..9d71dcffcf93 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -143,8 +143,6 @@
 #define AT91_SAMA5D2_COR	0x4c
 #define AT91_SAMA5D2_COR_DIFF_OFFSET	16
 
-/* Channel Data Register 0 */
-#define AT91_SAMA5D2_CDR0	0x50
 /* Analog Control Register */
 #define AT91_SAMA5D2_ACR	0x94
 /* Analog Control Register - Pen detect sensitivity mask */
-- 
2.25.1

```