staging: comedi: ni_tiocmd: make ni_tio_cmdtest() a proper comedi (*do_cmdtest)

Change the parameters to ni_tio_cmdtest() to make it a proper comedi
(*do_cmdtest) function. This allows using it directly and removing the
wrapper functions in the ni_660x and ni_mio_common modules.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

4 files changed, 8 insertions, 25 deletions

diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 0b328c39ef1c..46b6904f750f 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -830,14 +830,6 @@ static int ni_660x_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	return retval;
 }
 
-static int ni_660x_cmdtest(struct comedi_device *dev,
-			   struct comedi_subdevice *s, struct comedi_cmd *cmd)
-{
-	struct ni_gpct *counter = s->private;
-
-	return ni_tio_cmdtest(counter, cmd);
-}
-
 static int ni_660x_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	struct ni_gpct *counter = s->private;
@@ -1219,7 +1211,7 @@ static int ni_660x_auto_attach(struct comedi_device *dev,
 			s->insn_config = ni_tio_insn_config;
 			s->do_cmd = &ni_660x_cmd;
 			s->len_chanlist = 1;
-			s->do_cmdtest = &ni_660x_cmdtest;
+			s->do_cmdtest = ni_tio_cmdtest;
 			s->cancel = &ni_660x_cancel;
 			s->poll = &ni_660x_input_poll;
 			s->async_dma_dir = DMA_BIDIRECTIONAL;
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 29f9ca8d31fb..a2cfcce1b6a2 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -278,8 +278,6 @@ static int ni_8255_callback(int dir, int port, int data, unsigned long arg);
 
 #ifdef PCIDMA
 static int ni_gpct_cmd(struct comedi_device *dev, struct comedi_subdevice *s);
-static int ni_gpct_cmdtest(struct comedi_device *dev,
-			   struct comedi_subdevice *s, struct comedi_cmd *cmd);
 #endif
 static int ni_gpct_cancel(struct comedi_device *dev,
 			  struct comedi_subdevice *s);
@@ -4443,7 +4441,7 @@ static int ni_E_init(struct comedi_device *dev)
 		s->subdev_flags |= SDF_CMD_READ /* | SDF_CMD_WRITE */;
 		s->do_cmd = &ni_gpct_cmd;
 		s->len_chanlist = 1;
-		s->do_cmdtest = &ni_gpct_cmdtest;
+		s->do_cmdtest = ni_tio_cmdtest;
 		s->cancel = &ni_gpct_cancel;
 		s->async_dma_dir = DMA_BIDIRECTIONAL;
 #endif
@@ -5027,17 +5025,6 @@ static int ni_gpct_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 }
 #endif
 
-#ifdef PCIDMA
-static int ni_gpct_cmdtest(struct comedi_device *dev,
-			   struct comedi_subdevice *s, struct comedi_cmd *cmd)
-{
-	struct ni_gpct *counter = s->private;
-
-	return ni_tio_cmdtest(counter, cmd);
-	return -ENOTSUPP;
-}
-#endif
-
 static int ni_gpct_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 #ifdef PCIDMA
diff --git a/drivers/staging/comedi/drivers/ni_tio.h b/drivers/staging/comedi/drivers/ni_tio.h
index 5d551861921a..9eaa0eee9947 100644
--- a/drivers/staging/comedi/drivers/ni_tio.h
+++ b/drivers/staging/comedi/drivers/ni_tio.h
@@ -144,7 +144,8 @@ int ni_tio_insn_config(struct comedi_device *, struct comedi_subdevice *,
 int ni_tio_insn_write(struct comedi_device *, struct comedi_subdevice *,
 		      struct comedi_insn *, unsigned int *data);
 int ni_tio_cmd(struct ni_gpct *, struct comedi_async *);
-int ni_tio_cmdtest(struct ni_gpct *, struct comedi_cmd *);
+int ni_tio_cmdtest(struct comedi_device *, struct comedi_subdevice *,
+		   struct comedi_cmd *);
 int ni_tio_cancel(struct ni_gpct *);
 void ni_tio_handle_interrupt(struct ni_gpct *, struct comedi_subdevice *);
 void ni_tio_set_mite_channel(struct ni_gpct *, struct mite_channel *);
diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index 1ab542a6b07d..98be76496334 100644
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -228,8 +228,11 @@ int ni_tio_cmd(struct ni_gpct *counter, struct comedi_async *async)
 }
 EXPORT_SYMBOL_GPL(ni_tio_cmd);
 
-int ni_tio_cmdtest(struct ni_gpct *counter, struct comedi_cmd *cmd)
+int ni_tio_cmdtest(struct comedi_device *dev,
+		   struct comedi_subdevice *s,
+		   struct comedi_cmd *cmd)
 {
+	struct ni_gpct *counter = s->private;
 	int err = 0;
 	unsigned int sources;