diff options
Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')
| -rw-r--r-- | drivers/usb/misc/ftdi-elan.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 82e16630a78b..7839c98fa742 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -456,7 +456,6 @@ static void ftdi_elan_cancel_targets(struct usb_ftdi *ftdi) static void ftdi_elan_kick_command_queue(struct usb_ftdi *ftdi) { ftdi_command_queue_work(ftdi, 0); - return; } static void ftdi_elan_command_work(struct work_struct *work) @@ -483,7 +482,6 @@ static void ftdi_elan_command_work(struct work_struct *work) static void ftdi_elan_kick_respond_queue(struct usb_ftdi *ftdi) { ftdi_respond_queue_work(ftdi, 0); - return; } static void ftdi_elan_respond_work(struct work_struct *work) @@ -650,7 +648,7 @@ static int ftdi_elan_open(struct inode *inode, struct file *file) static int ftdi_elan_release(struct inode *inode, struct file *file) { - struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data; + struct usb_ftdi *ftdi = file->private_data; if (ftdi == NULL) return -ENODEV; up(&ftdi->sw_lock); /* decrement the count on our device */ @@ -673,7 +671,7 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer, int bytes_read = 0; int retry_on_empty = 10; int retry_on_timeout = 5; - struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data; + struct usb_ftdi *ftdi = file->private_data; if (ftdi->disconnected > 0) { return -ENODEV; } @@ -2769,7 +2767,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, ftdi->sequence_num = ++ftdi_instances; mutex_unlock(&ftdi_module_lock); ftdi_elan_init_kref(ftdi); - init_MUTEX(&ftdi->sw_lock); + sema_init(&ftdi->sw_lock, 1); ftdi->udev = usb_get_dev(interface_to_usbdev(interface)); ftdi->interface = interface; mutex_init(&ftdi->u132_lock); |