[PATCH] Revert "pinctrl: stm32: fix the reported number of GPIO lines per bank"

[Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>]

This reverts commit 67e2996f72c71ebe4ac2fcbcf77e54479bb7aa11 because it
breaks pin usage for gpio-nodes with an offset in gpio-ranges (like
&gpiof from stm32mp15xxab-pinctrl.dtsi).

For example the following reset gpio of a wifi module on a stm32mp153c
board works again after applying this revert patch:

	wifi_pwrseq: wifi-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&gpiof 9 GPIO_ACTIVE_LOW>;
	};

Signed-off-by: Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>
---
 drivers/pinctrl/stm32/pinctrl-stm32.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 24764ebcc936..73f49c596cef 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1225,7 +1225,7 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl,
 	struct device *dev = pctl->dev;
 	struct resource res;
 	int npins = STM32_GPIO_PINS_PER_BANK;
-	int bank_nr, err, i = 0;
+	int bank_nr, err;
 
 	if (!IS_ERR(bank->rstc))
 		reset_control_deassert(bank->rstc);
@@ -1247,14 +1247,9 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl,
 
 	of_property_read_string(np, "st,bank-name", &bank->gpio_chip.label);
 
-	if (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, i, &args)) {
+	if (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args)) {
 		bank_nr = args.args[1] / STM32_GPIO_PINS_PER_BANK;
 		bank->gpio_chip.base = args.args[1];
-
-		npins = args.args[2];
-		while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3,
-							 ++i, &args))
-			npins += args.args[2];
 	} else {
 		bank_nr = pctl->nbanks;
 		bank->gpio_chip.base = bank_nr * STM32_GPIO_PINS_PER_BANK;
-- 
2.30.2