linux-kernel - [PATCH v2 1/2] gpio: gpio-vf610: use u32 mask to handle 32 number gpios

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Message-Id: <20240801093028.732338-2-haibo.chen@nxp.com>
Date: Thu,  1 Aug 2024 17:30:27 +0800
From: haibo.chen@....com
To: linus.walleij@...aro.org,
	brgl@...ev.pl
Cc: wahrenst@....net,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	haibo.chen@....com
Subject: [PATCH v2 1/2] gpio: gpio-vf610: use u32 mask to handle 32 number gpios

From: Haibo Chen <haibo.chen@....com>

This gpio controller support up to 32 pins per port. And all the
register width is 32 bit. So here use u32 to replace the original
unsigned long.

Signed-off-by: Haibo Chen <haibo.chen@....com>
---
 drivers/gpio/gpio-vf610.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 07e5e6323e86..db68d8541597 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -97,7 +97,7 @@ static inline u32 vf610_gpio_readl(void __iomem *reg)
 static int vf610_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 {
 	struct vf610_gpio_port *port = gpiochip_get_data(gc);
-	unsigned long mask = BIT(gpio);
+	u32 mask = BIT(gpio);
 	unsigned long offset = GPIO_PDIR;
 
 	if (port->sdata->have_paddr) {
@@ -112,16 +112,16 @@ static int vf610_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 static void vf610_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 {
 	struct vf610_gpio_port *port = gpiochip_get_data(gc);
-	unsigned long mask = BIT(gpio);
+	u32 mask = BIT(gpio);
 	unsigned long offset = val ? GPIO_PSOR : GPIO_PCOR;
 
 	vf610_gpio_writel(mask, port->gpio_base + offset);
 }
 
-static int vf610_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+static int vf610_gpio_direction_input(struct gpio_chip *chip, unsigned int gpio)
 {
 	struct vf610_gpio_port *port = gpiochip_get_data(chip);
-	unsigned long mask = BIT(gpio);
+	u32 mask = BIT(gpio);
 	u32 val;
 
 	if (port->sdata->have_paddr) {
@@ -133,11 +133,11 @@ static int vf610_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
 	return pinctrl_gpio_direction_input(chip, gpio);
 }
 
-static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
+static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned int gpio,
 				       int value)
 {
 	struct vf610_gpio_port *port = gpiochip_get_data(chip);
-	unsigned long mask = BIT(gpio);
+	u32 mask = BIT(gpio);
 	u32 val;
 
 	vf610_gpio_set(chip, gpio, value);
-- 
2.34.1