Staging: comedi: clean up kcomedilib/get.c

Remove all of the unused functions, leaving only those that are
actually called by in-kernel code.

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/kcomedilib/get.c

@@ -26,48 +26,6 @@
 #include "../comedilib.h"
 #include "../comedidev.h"
 
-int comedi_get_n_subdevices(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	return dev->n_subdevices;
-}
-
-int comedi_get_version_code(void *d)
-{
-	return COMEDI_VERSION_CODE;
-}
-
-const char *comedi_get_driver_name(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	return dev->driver->driver_name;
-}
-
-const char *comedi_get_board_name(void *d)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-
-	return dev->board_name;
-}
-
-int comedi_get_subdevice_type(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->type;
-}
-
-unsigned int comedi_get_subdevice_flags(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->subdev_flags;
-}
-
 int comedi_find_subdevice_by_type(void *d, int type, unsigned int subd)
 {
 	struct comedi_device *dev = (struct comedi_device *)d;
@@ -91,203 +49,3 @@ int comedi_get_n_channels(void *d, unsigned int subdevice)
 	return s->n_chan;
 }
 EXPORT_SYMBOL(comedi_get_n_channels);
-
-int comedi_get_len_chanlist(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	return s->len_chanlist;
-}
-
-unsigned int comedi_get_maxdata(void *d, unsigned int subdevice,
-				unsigned int chan)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-
-	if (s->maxdata_list)
-		return s->maxdata_list[chan];
-
-	return s->maxdata;
-}
-
-#ifdef KCOMEDILIB_DEPRECATED
-int comedi_get_rangetype(void *d, unsigned int subdevice, unsigned int chan)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	int ret;
-
-	if (s->range_table_list)
-		ret = s->range_table_list[chan]->length;
-	else
-		ret = s->range_table->length;
-
-	ret = ret | (dev->minor << 28) | (subdevice << 24) | (chan << 16);
-
-	return ret;
-}
-#endif
-
-int comedi_get_n_ranges(void *d, unsigned int subdevice, unsigned int chan)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	int ret;
-
-	if (s->range_table_list)
-		ret = s->range_table_list[chan]->length;
-	else
-		ret = s->range_table->length;
-
-	return ret;
-}
-
-/*
- * ALPHA (non-portable)
-*/
-int comedi_get_krange(void *d, unsigned int subdevice, unsigned int chan,
-		      unsigned int range, struct comedi_krange *krange)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	const struct comedi_lrange *lr;
-
-	if (s->range_table_list)
-		lr = s->range_table_list[chan];
-	else
-		lr = s->range_table;
-
-	if (range >= lr->length)
-		return -EINVAL;
-
-	memcpy(krange, lr->range + range, sizeof(struct comedi_krange));
-
-	return 0;
-}
-
-/*
- * ALPHA (may be renamed)
-*/
-unsigned int comedi_get_buf_head_pos(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-
-	async = s->async;
-	if (async == NULL)
-		return 0;
-
-	return async->buf_write_count;
-}
-
-int comedi_get_buffer_contents(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-	unsigned int num_bytes;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return 0;
-	num_bytes = comedi_buf_read_n_available(s->async);
-	return num_bytes;
-}
-
-/*
- * ALPHA
-*/
-int comedi_set_user_int_count(void *d, unsigned int subdevice,
-			      unsigned int buf_user_count)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-	int num_bytes;
-
-	async = s->async;
-	if (async == NULL)
-		return -1;
-
-	num_bytes = buf_user_count - async->buf_read_count;
-	if (num_bytes < 0)
-		return -1;
-	comedi_buf_read_alloc(async, num_bytes);
-	comedi_buf_read_free(async, num_bytes);
-
-	return 0;
-}
-
-int comedi_mark_buffer_read(void *d, unsigned int subdevice,
-			    unsigned int num_bytes)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return -1;
-
-	comedi_buf_read_alloc(async, num_bytes);
-	comedi_buf_read_free(async, num_bytes);
-
-	return 0;
-}
-
-int comedi_mark_buffer_written(void *d, unsigned int subdevice,
-			       unsigned int num_bytes)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-	int bytes_written;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return -1;
-	bytes_written = comedi_buf_write_alloc(async, num_bytes);
-	comedi_buf_write_free(async, bytes_written);
-	if (bytes_written != num_bytes)
-		return -1;
-	return 0;
-}
-
-int comedi_get_buffer_size(void *d, unsigned int subdev)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdev;
-	struct comedi_async *async;
-
-	if (subdev >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return 0;
-
-	return async->prealloc_bufsz;
-}
-
-int comedi_get_buffer_offset(void *d, unsigned int subdevice)
-{
-	struct comedi_device *dev = (struct comedi_device *)d;
-	struct comedi_subdevice *s = dev->subdevices + subdevice;
-	struct comedi_async *async;
-
-	if (subdevice >= dev->n_subdevices)
-		return -1;
-	async = s->async;
-	if (async == NULL)
-		return 0;
-
-	return async->buf_read_ptr;
-}