From c2e46395989059336c84f608e4011151efbcdcca Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Thu, 24 May 2001 01:41:12 +0000
Subject: [PATCH] removed di_unpack, do_pack.

---
 comedi/comedi_ksyms.c |  2 --
 comedi/drivers.c      | 41 +++--------------------------------------
 2 files changed, 3 insertions(+), 40 deletions(-)

diff --git a/comedi/comedi_ksyms.c b/comedi/comedi_ksyms.c
index c46f0e54..885d447e 100644
--- a/comedi/comedi_ksyms.c
+++ b/comedi/comedi_ksyms.c
@@ -45,8 +45,6 @@ EXPORT_SYMBOL(comedi_error);
 EXPORT_SYMBOL(comedi_eobuf);
 EXPORT_SYMBOL(comedi_eos);
 EXPORT_SYMBOL(comedi_event);
-EXPORT_SYMBOL(do_pack);
-EXPORT_SYMBOL(di_unpack);
 EXPORT_SYMBOL(range_bipolar10);
 EXPORT_SYMBOL(range_bipolar5);
 EXPORT_SYMBOL(range_bipolar2_5);
diff --git a/comedi/drivers.c b/comedi/drivers.c
index 2372341a..80d1b48d 100644
--- a/comedi/drivers.c
+++ b/comedi/drivers.c
@@ -61,7 +61,6 @@ int comedi_device_detach(comedi_device *dev)
 {
 	int i;
 	comedi_subdevice *s;
-	comedi_async *async;
 
 	if(!dev->attached)
 		return 0;
@@ -74,11 +73,9 @@ int comedi_device_detach(comedi_device *dev)
 
 	for(i=0;i<dev->n_subdevices;i++){
 		s=dev->subdevices+i;
-		if(s->async)
-		{
-			async = s->async;
-			rvfree(async->prealloc_buf,async->prealloc_bufsz);
-			kfree(async);
+		if(s->async){
+			rvfree(s->async->prealloc_buf,s->async->prealloc_bufsz);
+			kfree(s->async);
 		}
 	}
 
@@ -358,38 +355,6 @@ static int poll_invalid(comedi_device *dev,comedi_subdevice *s)
 	return -EINVAL;
 }
 
-/* helper functions for drivers */
-
-int di_unpack(unsigned int bits,comedi_trig *it)
-{
-	int chan;
-	int i;
-
-	for(i=0;i<it->n_chan;i++){
-		chan=CR_CHAN(it->chanlist[i]);
-		it->data[i]=(bits>>chan)&1;
-	}
-
-	return i;
-}
-
-int do_pack(unsigned int *bits,comedi_trig *it)
-{
-	int chan;
-	int mask;
-	int i;
-
-	for(i=0;i<it->n_chan;i++){
-		chan=CR_CHAN(it->chanlist[i]);
-		mask=1<<chan;
-		(*bits) &= ~mask;
-		if(it->data[i])
-			(*bits) |=mask;
-	}
-
-	return i;
-}
-
 static int insn_inval(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data)
 {
 	return -EINVAL;
-- 
2.26.2