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From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Gregory CLEMENT <gregory.clement@bootlin.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Fabien Dessenne <fabien.dessenne@foss.st.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-renesas-soc@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com
Cc:     Neil Armstrong <narmstrong@baylibre.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>
Subject: [PATCH v1 2/5] pinctrl: stm32: Replace custom code by gpiochip_count() call
Date:   Fri, 25 Mar 2022 22:03:35 +0200
Message-Id: <20220325200338.54270-2-andriy.shevchenko@linux.intel.com>
In-Reply-To: <20220325200338.54270-1-andriy.shevchenko@linux.intel.com>
References: <20220325200338.54270-1-andriy.shevchenko@linux.intel.com>
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Since we have generic function to count GPIO controller nodes
under given device, there is no need to open code it. Replace
custom code by gpiochip_count() call.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/pinctrl/stm32/pinctrl-stm32.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 9ed764731570..d4bbeec82c1f 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1423,7 +1423,8 @@ int stm32_pctl_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct stm32_pinctrl *pctl;
 	struct pinctrl_pin_desc *pins;
-	int i, ret, hwlock_id, banks = 0;
+	int i, ret, hwlock_id;
+	unsigned int banks;
 
 	if (!np)
 		return -EINVAL;
@@ -1513,10 +1514,7 @@ int stm32_pctl_probe(struct platform_device *pdev)
 		return PTR_ERR(pctl->pctl_dev);
 	}
 
-	for_each_available_child_of_node(np, child)
-		if (of_property_read_bool(child, "gpio-controller"))
-			banks++;
-
+	banks = gpiochip_count(dev);
 	if (!banks) {
 		dev_err(dev, "at least one GPIO bank is required\n");
 		return -EINVAL;
-- 
2.35.1