HID: prodikeys: Remove unnecessary casts of void pointers

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c
index b71b77ab0dc759d1524b8302a7843583c2ff861b..ec8ca3336315ecd373a5eecdad4da847fa46c01f 100644 (file)
--- a/drivers/hid/hid-prodikeys.c
+++ b/drivers/hid/hid-prodikeys.c
@@ -105,7 +105,7 @@ static ssize_t show_channel(struct device *dev,
        struct device_attribute *attr, char *buf)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
 
        dbg_hid("pcmidi sysfs read channel=%u\n", pk->pm->midi_channel);
 
@@ -118,7 +118,7 @@ static ssize_t store_channel(struct device *dev,
        struct device_attribute *attr, const char *buf, size_t count)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
 
        unsigned channel = 0;
 
@@ -142,7 +142,7 @@ static ssize_t show_sustain(struct device *dev,
  struct device_attribute *attr, char *buf)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
 
        dbg_hid("pcmidi sysfs read sustain=%u\n", pk->pm->midi_sustain);
 
@@ -155,7 +155,7 @@ static ssize_t store_sustain(struct device *dev,
        struct device_attribute *attr, const char *buf, size_t count)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
 
        unsigned sustain = 0;
 
@@ -181,7 +181,7 @@ static ssize_t show_octave(struct device *dev,
        struct device_attribute *attr, char *buf)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
 
        dbg_hid("pcmidi sysfs read octave=%d\n", pk->pm->midi_octave);
 
@@ -194,7 +194,7 @@ static ssize_t store_octave(struct device *dev,
        struct device_attribute *attr, const char *buf, size_t count)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
 
        int octave = 0;
 
@@ -759,7 +759,7 @@ static int pk_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                struct hid_field *field, struct hid_usage *usage,
                unsigned long **bit, int *max)
 {
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
        struct pcmidi_snd *pm;
 
        pm = pk->pm;
@@ -777,7 +777,7 @@ static int pk_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 static int pk_raw_event(struct hid_device *hdev, struct hid_report *report,
        u8 *data, int size)
 {
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
        int ret = 0;
 
        if (1 == pk->pm->ifnum) {
@@ -858,7 +858,7 @@ err_free_pk:
 
 static void pk_remove(struct hid_device *hdev)
 {
-       struct pk_device *pk = (struct pk_device *)hid_get_drvdata(hdev);
+       struct pk_device *pk = hid_get_drvdata(hdev);
        struct pcmidi_snd *pm;
 
        pm = pk->pm;