gpio: sysfs: remove redundant gpio-descriptor parameters

Remove redundant gpio-descriptor parameters from sysfs_set_active_low and
gpio_setup_irq.

Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 097e7e5..0bc959f 100644 (file)
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -133,9 +133,10 @@ static irqreturn_t gpio_sysfs_irq(int irq, void *priv)
        return IRQ_HANDLED;
 }
 
-static int gpio_setup_irq(struct gpio_desc *desc, struct device *dev,
-               unsigned long gpio_flags)
+static int gpio_setup_irq(struct device *dev, unsigned long gpio_flags)
 {
+       struct gpiod_data       *data = dev_get_drvdata(dev);
+       struct gpio_desc        *desc = data->desc;
        struct kernfs_node      *value_sd;
        unsigned long           irq_flags;
        int                     ret, irq, id;
@@ -257,8 +258,6 @@ static ssize_t edge_show(struct device *dev,
 static ssize_t edge_store(struct device *dev,
                struct device_attribute *attr, const char *buf, size_t size)
 {
-       struct gpiod_data *data = dev_get_drvdata(dev);
-       struct gpio_desc *desc = data->desc;
        ssize_t                 status;
        int                     i;
 
@@ -270,7 +269,7 @@ static ssize_t edge_store(struct device *dev,
 found:
        mutex_lock(&sysfs_lock);
 
-       status = gpio_setup_irq(desc, dev, trigger_types[i].flags);
+       status = gpio_setup_irq(dev, trigger_types[i].flags);
        if (!status)
                status = size;
 
@@ -280,9 +279,10 @@ found:
 }
 static DEVICE_ATTR_RW(edge);
 
-static int sysfs_set_active_low(struct gpio_desc *desc, struct device *dev,
-                               int value)
+static int sysfs_set_active_low(struct device *dev, int value)
 {
+       struct gpiod_data       *data = dev_get_drvdata(dev);
+       struct gpio_desc        *desc = data->desc;
        int                     status = 0;
 
        if (!!test_bit(FLAG_ACTIVE_LOW, &desc->flags) == !!value)
@@ -298,8 +298,8 @@ static int sysfs_set_active_low(struct gpio_desc *desc, struct device *dev,
                                !!test_bit(FLAG_TRIG_FALL, &desc->flags)) {
                unsigned long trigger_flags = desc->flags & GPIO_TRIGGER_MASK;
 
-               gpio_setup_irq(desc, dev, 0);
-               status = gpio_setup_irq(desc, dev, trigger_flags);
+               gpio_setup_irq(dev, 0);
+               status = gpio_setup_irq(dev, trigger_flags);
        }
 
        return status;
@@ -325,8 +325,6 @@ static ssize_t active_low_show(struct device *dev,
 static ssize_t active_low_store(struct device *dev,
                struct device_attribute *attr, const char *buf, size_t size)
 {
-       struct gpiod_data *data = dev_get_drvdata(dev);
-       struct gpio_desc *desc = data->desc;
        ssize_t                 status;
        long                    value;
 
@@ -334,7 +332,7 @@ static ssize_t active_low_store(struct device *dev,
 
        status = kstrtol(buf, 0, &value);
        if (status == 0)
-               status = sysfs_set_active_low(desc, dev, value != 0);
+               status = sysfs_set_active_low(dev, value != 0);
 
        mutex_unlock(&sysfs_lock);
 
@@ -710,7 +708,7 @@ void gpiod_unexport(struct gpio_desc *desc)
                 * Release irq after deregistration to prevent race with
                 * edge_store.
                 */
-               gpio_setup_irq(desc, dev, 0);
+               gpio_setup_irq(dev, 0);
                put_device(dev);
                kfree(data);
        }