linux-kernel - [PATCH v1 1/1] pinctrl: : Switch to use for_each_gpiochip

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Message-ID: <20250213193152.3120396-1-andriy.shevchenko@linux.intel.com>
Date: Thu, 13 Feb 2025 21:31:52 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	openbmc@...ts.ozlabs.org,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Jonathan Neuschäfer <j.neuschaefer@....net>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v1 1/1] pinctrl: : Switch to use for_each_gpiochip_node() helper

Switch the code to use for_each_gpiochip_node() helper.

While at it, correct header inclusion as device property APIs
are provided in property.h.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
index cdad4ef11a2f..2f97accef837 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
@@ -10,7 +10,6 @@
 //   block, shared between all GPIO banks
 
 #include <linux/device.h>
-#include <linux/fwnode.h>
 #include <linux/gpio/driver.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
@@ -18,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 
 #include <linux/pinctrl/pinconf.h>
@@ -1033,7 +1033,7 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
 		return dev_err_probe(dev, PTR_ERR(pctrl->gpio_base),
 				     "Resource fail for GPIO controller\n");
 
-	device_for_each_child_node(dev, child)  {
+	for_each_gpiochip_node(dev, child) {
 		void __iomem *dat = NULL;
 		void __iomem *set = NULL;
 		void __iomem *dirout = NULL;
@@ -1044,9 +1044,6 @@ static int wpcm450_gpio_register(struct platform_device *pdev,
 		u32 reg;
 		int i;
 
-		if (!fwnode_property_read_bool(child, "gpio-controller"))
-			continue;
-
 		ret = fwnode_property_read_u32(child, "reg", &reg);
 		if (ret < 0)
 			return ret;
-- 
2.45.1.3035.g276e886db78b