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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-12-12 12:01:45 +0100
committerGeert Uytterhoeven <geert+renesas@glider.be>2018-12-18 11:25:56 +0100
commit9925e879572680125c5d00ad8b807aec720b1cb6 (patch)
tree4468ff596769a1083f7a6958d819b13060733d8e /drivers/pinctrl
parent124cde98f856b6206b804acbdec3b7c80f8c3427 (diff)
pinctrl: sh-pfc: Validate pins/marks in pin groups at build time
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@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/sh-pfc/sh_pfc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 78dc342d7b39..4892c09b27bb 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)