[U-Boot] [PATCH] pinctrl: renesas: fix R-Car gpio0_00 operation fails with 'gpio -input' command

[Marek Vasut]

From: titron <tiezhuang.dong.yh at renesas.com>

Fix GPIO bank 0 pin 0 request/release off by one error. Without this
patch, it is not possible to request/release GPIO bank 0 pin 0.

Signed-off-by: Tiezhuang Dong <tiezhuang.dong.yh at renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Eugeniu Rosca <roscaeugeniu at gmail.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro.uh at renesas.com>
---
 drivers/pinctrl/renesas/pfc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/renesas/pfc.c b/drivers/pinctrl/renesas/pfc.c
index d1271dad44..f2973bebef 100644
--- a/drivers/pinctrl/renesas/pfc.c
+++ b/drivers/pinctrl/renesas/pfc.c
@@ -469,7 +469,7 @@ static int sh_pfc_gpio_request_enable(struct udevice *dev,
 	const struct sh_pfc_pin *pin = NULL;
 	int i, ret, idx;
 
-	for (i = 1; i < pfc->info->nr_pins; i++) {
+	for (i = 0; i < pfc->info->nr_pins; i++) {
 		if (priv->pfc.info->pins[i].pin != pin_selector)
 			continue;
 
@@ -505,7 +505,7 @@ static int sh_pfc_gpio_disable_free(struct udevice *dev,
 	const struct sh_pfc_pin *pin = NULL;
 	int i, idx;
 
-	for (i = 1; i < pfc->info->nr_pins; i++) {
+	for (i = 0; i < pfc->info->nr_pins; i++) {
 		if (priv->pfc.info->pins[i].pin != pin_selector)
 			continue;
 
-- 
2.20.1