linux-kernel - [PATCH 18/33] staging: comedi: cb_das16

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Message-ID: <201206251659.26939.hartleys@visionengravers.com>
Date:	Mon, 25 Jun 2012 16:59:26 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<abbotti@....co.uk>, <fmhess@...rs.sourceforge.net>,
	<gregkh@...uxfoundation.org>
Subject: [PATCH 18/33] staging: comedi: cb_das16_cs: remove unused timer subdevice

The timer subdevice is never initialized due to the 'if (0)'. The
comedi callbacks also don't do anything and just return -EINVAL.

Remove the subdevice and associated code.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/cb_das16_cs.c | 32 +---------------------------
 1 file changed, 1 insertion(+), 31 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
index 36fd3e6..b0a2223 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -425,21 +425,6 @@ static int das16cs_dio_insn_config(struct comedi_device *dev,
 	return insn->n;
 }
 
-static int das16cs_timer_insn_read(struct comedi_device *dev,
-				   struct comedi_subdevice *s,
-				   struct comedi_insn *insn, unsigned int *data)
-{
-	return -EINVAL;
-}
-
-static int das16cs_timer_insn_config(struct comedi_device *dev,
-				     struct comedi_subdevice *s,
-				     struct comedi_insn *insn,
-				     unsigned int *data)
-{
-	return -EINVAL;
-}
-
 static const struct das16cs_board *das16cs_probe(struct comedi_device *dev,
 						 struct pcmcia_device *link)
 {
@@ -497,7 +482,7 @@ static int das16cs_attach(struct comedi_device *dev,
 	if (alloc_private(dev, sizeof(struct das16cs_private)) < 0)
 		return -ENOMEM;
 
-	ret = comedi_alloc_subdevices(dev, 4);
+	ret = comedi_alloc_subdevices(dev, 3);
 	if (ret)
 		return ret;
 
@@ -540,21 +525,6 @@ static int das16cs_attach(struct comedi_device *dev,
 		s->type = COMEDI_SUBD_UNUSED;
 	}
 
-	s = dev->subdevices + 3;
-	/* timer subdevice */
-	if (0) {
-		s->type = COMEDI_SUBD_TIMER;
-		s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
-		s->n_chan = 1;
-		s->maxdata = 0xff;
-		s->range_table = &range_unknown;
-		s->insn_read = das16cs_timer_insn_read;
-		s->insn_config = das16cs_timer_insn_config;
-	} else {
-		s->type = COMEDI_SUBD_UNUSED;
-	}
-
-
 	return 1;
 }
 
-- 
1.7.11

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