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authorGeert Uytterhoeven <geert+renesas@glider.be>2015-03-12 11:09:15 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-03-18 02:14:45 +0100
commit17c7cbb0e7b7a877f1ce2063d7f869801b24cd6a (patch)
tree7406be08e11a14e9cdc6c315262ffec6cd7c8353 /drivers/pinctrl
parentcef28a289482175b26f7a5ae4a1337c792cea9c5 (diff)
downloadlinux-17c7cbb0e7b7a877f1ce2063d7f869801b24cd6a.tar.bz2
pinctrl: sh-pfc: Use reg_width instead of reg as sentinel
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>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/sh-pfc/gpio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index aa2fc77a1925..5d3a35ce0912 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -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;