extcon: Remove casting the return value which is a void pointer

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index a297208..2f2d374 100644 (file)
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -105,7 +105,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
                          char *buf)
 {
        int i, count = 0;
-       struct extcon_dev *edev = (struct extcon_dev *) dev_get_drvdata(dev);
+       struct extcon_dev *edev = dev_get_drvdata(dev);
 
        if (edev->print_state) {
                int ret = edev->print_state(edev, buf);
@@ -135,7 +135,7 @@ static ssize_t state_store(struct device *dev, struct device_attribute *attr,
 {
        u32 state;
        ssize_t ret = 0;
-       struct extcon_dev *edev = (struct extcon_dev *) dev_get_drvdata(dev);
+       struct extcon_dev *edev = dev_get_drvdata(dev);
 
        ret = sscanf(buf, "0x%x", &state);
        if (ret == 0)
@@ -153,7 +153,7 @@ static DEVICE_ATTR_RW(state);
 static ssize_t name_show(struct device *dev, struct device_attribute *attr,
                char *buf)
 {
-       struct extcon_dev *edev = (struct extcon_dev *) dev_get_drvdata(dev);
+       struct extcon_dev *edev = dev_get_drvdata(dev);
 
        /* Optional callback given by the user */
        if (edev->print_name) {
@@ -470,7 +470,7 @@ int extcon_register_interest(struct extcon_specific_cable_nb *obj,
                        return -ENODEV;
                class_dev_iter_init(&iter, extcon_class, NULL, NULL);
                while ((dev = class_dev_iter_next(&iter))) {
-                       extd = (struct extcon_dev *)dev_get_drvdata(dev);
+                       extd = dev_get_drvdata(dev);
 
                        if (extcon_find_cable_index(extd, cable_name) < 0)
                                continue;