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pinctrl: sh-pfc: Use reg_width instead of reg as sentinel

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All other loops over sh_pfc_soc_info.data_regs[] use
pinmux_data_reg.regwidth as the sentinel, which is safer as zero is
never a valid regwidth value (reg could be zero if we start using it to
store an offset).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2015-03-12 11:09:15 +01:00 committed by Linus Walleij
parent cef28a2894
commit 17c7cbb0e7
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/sh-pfc/gpio.c
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@ -84,7 +84,7 @@ static void gpio_setup_data_reg(struct sh_pfc_chip *chip, unsigned idx)
unsigned int bit;
unsigned int i;
for (i = 0, dreg = pfc->info->data_regs; dreg->reg; ++i, ++dreg) {
for (i = 0, dreg = pfc->info->data_regs; dreg->reg_width; ++i, ++dreg) {
for (bit = 0; bit < dreg->reg_width; bit++) {
if (dreg->enum_ids[bit] == pin->enum_id) {
gpio_pin->dreg = i;