Add a build-time check, to ensure the number of pins and pin marks in a
pin group matches. This helps catching bugs early.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/pinctrl/sh-pfc/sh_pfc.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 78dc342d7b390e02..a2c5d530aaa1c0b3 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -41,7 +41,8 @@ struct sh_pfc_pin {
.name = #alias, \
.pins = n##_pins, \
.mux = n##_mux, \
- .nr_pins = ARRAY_SIZE(n##_pins), \
+ .nr_pins = ARRAY_SIZE(n##_pins) + \
+ BUILD_BUG_ON_ZERO(!(sizeof(n##_pins) == sizeof(n##_mux))), \
}
#define SH_PFC_PIN_GROUP(n) SH_PFC_PIN_GROUP_ALIAS(n, n)
--
2.17.1
