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pinctrl: renesas: fix R-Car gpio0_00 operation fails with 'gpio -input' command

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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@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Eugeniu Rosca <roscaeugeniu@gmail.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro.uh@renesas.com>
This commit is contained in:
titron 2019-07-22 17:45:37 +08:00 committed by Marek Vasut
parent 89c00f009c
commit b5f563e588
1 changed files with 2 additions and 2 deletions
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4
drivers/pinctrl/renesas/pfc.c
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@ -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;