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pinctrl: sh-pfc: Validate pins/marks in pin groups at build time

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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 <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
This commit is contained in:
Geert Uytterhoeven 2018-12-12 12:01:45 +01:00
commit 9925e87957
1 changed files with 2 additions and 1 deletions
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3
drivers/pinctrl/sh-pfc/sh_pfc.h
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@ -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)