According to datasheet WKUPDBC mask is b/w bits 26..24.

Fixes: f80cb48843987 ("power: reset: at91-shdwc: add new shutdown controller 
driver")
Signed-off-by: Claudiu Beznea <[email protected]>
---
 drivers/power/reset/at91-sama5d2_shdwc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c 
b/drivers/power/reset/at91-sama5d2_shdwc.c
index e90368ed6f71..3996167f676f 100644
--- a/drivers/power/reset/at91-sama5d2_shdwc.c
+++ b/drivers/power/reset/at91-sama5d2_shdwc.c
@@ -37,7 +37,7 @@
 
 #define AT91_SHDW_MR   0x04            /* Shut Down Mode Register */
 #define AT91_SHDW_WKUPDBC_SHIFT        24
-#define AT91_SHDW_WKUPDBC_MASK GENMASK(31, 16)
+#define AT91_SHDW_WKUPDBC_MASK GENMASK(26, 24)
 #define AT91_SHDW_WKUPDBC(x)   (((x) << AT91_SHDW_WKUPDBC_SHIFT) \
                                                & AT91_SHDW_WKUPDBC_MASK)
 
-- 
2.7.4

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