Commit efe80cdf authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

pinctrl: renesas: r8a7794: Add range checking to .pin_to_pocctrl() 



The .pin_to_pocctrl() implementation for R-Car E2 does not perform a
full range check, unlike on all other SoCs.  Add the range check, so the
checker can validate better the consistency of the pin control tables.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/d23767ad7152327654192d7191f4b8ae19493966.1640269510.git.geert+renesas@glider.be
parent 2e08ab04

drivers/pinctrl/renesas/pfc-r8a7794.c

+3 −0
Original line number Diff line number Diff line
@@ -5623,6 +5623,9 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = { 


static int r8a7794_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)

{

	if (pin < RCAR_GP_PIN(6, 0) || pin > RCAR_GP_PIN(6, 23))

		return -EINVAL;



	*pocctrl = 0xe606006c;



	switch (pin & 0x1f) {