staging: Final semaphore cleanup

[cascardo/linux.git] / drivers / staging / comedi / drivers / usbdux.c

diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 4b320b1..1f177a6 100644 (file)
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -315,7 +315,7 @@ struct usbduxsub {
  */
 static struct usbduxsub usbduxsub[NUMUSBDUX];
 
-static DECLARE_MUTEX(start_stop_sem);
+static DEFINE_SEMAPHORE(start_stop_sem);
 
 /*
  * Stops the data acquision
@@ -649,7 +649,7 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb)
 
        /* normal operation: executing a command in this subdevice */
        this_usbduxsub->ao_counter--;
-       if (this_usbduxsub->ao_counter <= 0) {
+       if ((int)this_usbduxsub->ao_counter <= 0) {
                /* timer zero */
                this_usbduxsub->ao_counter = this_usbduxsub->ao_timer;
 
@@ -2367,7 +2367,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
        dev_dbg(dev, "comedi_: usbdux: "
                "usbduxsub[%d] is ready to connect to comedi.\n", index);
 
-       init_MUTEX(&(usbduxsub[index].sem));
+       sema_init(&(usbduxsub[index].sem), 1);
        /* save a pointer to the usb device */
        usbduxsub[index].usbdev = udev;