Commit 5e8588c8 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

pinctrl: sh-pfc: Validate fixed-size field widths at build time 



Add a build-time check, to ensure the register and field widths in
descriptors for config registers with fixed-width fields are sane.
This helps catching bugs early.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 0e6e448b

drivers/pinctrl/sh-pfc/sh_pfc.h

+2 −1
Original line number Diff line number Diff line
@@ -126,7 +126,8 @@ struct pinmux_cfg_reg { 
 * one for each possible combination of the register field bit values.

 */

#define PINMUX_CFG_REG(name, r, r_width, f_width) \

	.reg = r, .reg_width = r_width, .field_width = f_width,		\

	.reg = r, .reg_width = r_width,					\

	.field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width),	\

	.enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)])



/*

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