3 files changed, 6 insertions, 4 deletions
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c
index 891cf89efa91..c562346e4429 100644
--- a/drivers/staging/comedi/comedi_buf.c
+++ b/drivers/staging/comedi/comedi_buf.c
@@ -249,6 +249,11 @@ static unsigned int comedi_buf_munge(struct comedi_async *async,
 	return count;
 }
 
+unsigned int comedi_buf_write_n_allocated(struct comedi_async *async)
+{
+	return async->buf_write_alloc_count - async->buf_write_count;
+}
+
 /* transfers a chunk from writer to filled buffer space */
 unsigned comedi_buf_write_free(struct comedi_async *async, unsigned int nbytes)
 {
diff --git a/drivers/staging/comedi/comedi_internal.h b/drivers/staging/comedi/comedi_internal.h
index 9e94f2deb3be..5e6f05b30e6c 100644
--- a/drivers/staging/comedi/comedi_internal.h
+++ b/drivers/staging/comedi/comedi_internal.h
@@ -17,6 +17,7 @@ int comedi_find_board_minor(struct device *hardware_device);
 int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 		     unsigned long new_size);
 void comedi_buf_reset(struct comedi_async *async);
+unsigned int comedi_buf_write_n_allocated(struct comedi_async *async);
 
 extern unsigned int comedi_default_buf_size_kb;
 extern unsigned int comedi_default_buf_maxsize_kb;
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index 4d5a35ebc311..140678da55d4 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -448,10 +448,6 @@ void comedi_buf_memcpy_to(struct comedi_async *async, unsigned int offset,
 			  const void *source, unsigned int num_bytes);
 void comedi_buf_memcpy_from(struct comedi_async *async, unsigned int offset,
 			    void *destination, unsigned int num_bytes);
-static inline unsigned comedi_buf_write_n_allocated(struct comedi_async *async)
-{
-	return async->buf_write_alloc_count - async->buf_write_count;
-}
 
 int comedi_alloc_subdevice_minor(struct comedi_device *dev,
 				 struct comedi_subdevice *s);