gpio: pcf857x: Replace 'unsigned' with 'unsigned int'

Cosmetic change only to improve the coding style. No functional change,
since 'unsigned' and 'unsigned int' are identical as far as the compiler
is concerned.
Signed-off-by: Radu Rendec <radu.rendec@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

drivers/gpio/gpio-pcf857x.c

@@ -73,11 +73,11 @@ struct pcf857x {
 	struct gpio_chip	chip;
 	struct i2c_client	*client;
 	struct mutex		lock;		/* protect 'out' */
-	unsigned		out;		/* software latch */
-	unsigned		status;		/* current status */
-	unsigned		irq_enabled;	/* enabled irqs */
+	unsigned int		out;		/* software latch */
+	unsigned int		status;		/* current status */
+	unsigned int		irq_enabled;	/* enabled irqs */
 
-	int (*write)(struct i2c_client *client, unsigned data);
+	int (*write)(struct i2c_client *client, unsigned int data);
 	int (*read)(struct i2c_client *client);
 };
 
@@ -85,7 +85,7 @@ struct pcf857x {
 
 /* Talk to 8-bit I/O expander */
 
-static int i2c_write_le8(struct i2c_client *client, unsigned data)
+static int i2c_write_le8(struct i2c_client *client, unsigned int data)
 {
 	return i2c_smbus_write_byte(client, data);
 }
@@ -97,7 +97,7 @@ static int i2c_read_le8(struct i2c_client *client)
 
 /* Talk to 16-bit I/O expander */
 
-static int i2c_write_le16(struct i2c_client *client, unsigned word)
+static int i2c_write_le16(struct i2c_client *client, unsigned int word)
 {
 	u8 buf[2] = { word & 0xff, word >> 8, };
 	int status;
@@ -119,7 +119,7 @@ static int i2c_read_le16(struct i2c_client *client)
 
 /*-------------------------------------------------------------------------*/
 
-static int pcf857x_input(struct gpio_chip *chip, unsigned offset)
+static int pcf857x_input(struct gpio_chip *chip, unsigned int offset)
 {
 	struct pcf857x	*gpio = gpiochip_get_data(chip);
 	int		status;
@@ -132,7 +132,7 @@ static int pcf857x_input(struct gpio_chip *chip, unsigned offset)
 	return status;
 }
 
-static int pcf857x_get(struct gpio_chip *chip, unsigned offset)
+static int pcf857x_get(struct gpio_chip *chip, unsigned int offset)
 {
 	struct pcf857x	*gpio = gpiochip_get_data(chip);
 	int		value;
@@ -141,10 +141,10 @@ static int pcf857x_get(struct gpio_chip *chip, unsigned offset)
 	return (value < 0) ? value : !!(value & (1 << offset));
 }
 
-static int pcf857x_output(struct gpio_chip *chip, unsigned offset, int value)
+static int pcf857x_output(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	struct pcf857x	*gpio = gpiochip_get_data(chip);
-	unsigned	bit = 1 << offset;
+	unsigned int	bit = 1 << offset;
 	int		status;
 
 	mutex_lock(&gpio->lock);
@@ -158,7 +158,7 @@ static int pcf857x_output(struct gpio_chip *chip, unsigned offset, int value)
 	return status;
 }
 
-static void pcf857x_set(struct gpio_chip *chip, unsigned offset, int value)
+static void pcf857x_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	pcf857x_output(chip, offset, value);
 }