Staging: comedi: make comedi_set_subdevice_runflags() static

No one calls this anymore, except the core comedi code, so
mark it static and don't export it.

Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/comedi/comedi_fops.c

@@ -954,6 +954,17 @@ error:
 	return ret;
 }
 
+static void comedi_set_subdevice_runflags(struct comedi_subdevice *s,
+					  unsigned mask, unsigned bits)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&s->spin_lock, flags);
+	s->runflags &= ~mask;
+	s->runflags |= (bits & mask);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
+}
+
 /*
 	COMEDI_CMD
 	command ioctl
@@ -2021,18 +2032,6 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 }
 EXPORT_SYMBOL(comedi_event);
 
-void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
-				   unsigned bits)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&s->spin_lock, flags);
-	s->runflags &= ~mask;
-	s->runflags |= (bits & mask);
-	spin_unlock_irqrestore(&s->spin_lock, flags);
-}
-EXPORT_SYMBOL(comedi_set_subdevice_runflags);
-
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s)
 {
 	unsigned long flags;

drivers/staging/comedi/comedidev.h

@@ -383,8 +383,6 @@ enum subdevice_runflags {
 
 int do_rangeinfo_ioctl(struct comedi_device *dev, struct comedi_rangeinfo *arg);
 int comedi_check_chanlist(struct comedi_subdevice *s, int n, unsigned int *chanlist);
-void comedi_set_subdevice_runflags(struct comedi_subdevice *s, unsigned mask,
-				   unsigned bits);
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s);
 int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
 	       struct comedi_insn *insn, unsigned int *data);