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staging: comedi: comedi_buf: don't expose comedi_buf_read_n_allocated()

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This helper function is only called in comedi_buf.c. Move it there and
make it static so it's not exposed globally.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
2013-01-09 13:31:46 -07:00
committed by Greg Kroah-Hartman
parent 3abfa1066b
commit 5b2b64b751
2 changed files with 5 additions and 5 deletions
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5
drivers/staging/comedi/comedi_buf.c
View File

@@ -309,6 +309,11 @@ unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes)
}
EXPORT_SYMBOL(comedi_buf_read_alloc);
static unsigned int comedi_buf_read_n_allocated(struct comedi_async *async)
{
return async->buf_read_alloc_count - async->buf_read_count;
}
/* transfers control of a chunk from reader to free buffer space */
unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes)
{

5
drivers/staging/comedi/comedidev.h
View File

@@ -453,11 +453,6 @@ static inline unsigned comedi_buf_write_n_allocated(struct comedi_async *async)
return async->buf_write_alloc_count - async->buf_write_count;
}
static inline unsigned comedi_buf_read_n_allocated(struct comedi_async *async)
{
return async->buf_read_alloc_count - async->buf_read_count;
}
int comedi_alloc_subdevice_minor(struct comedi_device *dev,
struct comedi_subdevice *s);
void comedi_free_subdevice_minor(struct comedi_subdevice *s);