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staging: comedi: comedi_buf: remove comedi_buf_put() 

All comedi drivers now use comedi_buf_write_samples() to add the samples to
the async buffer. Remove this unused function.

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>
This commit is contained in:
H Hartley Sweeten 2014-10-22 15:37:15 -07:00 committed by Greg Kroah-Hartman
parent 7dd1b528c1
commit 0ce64e6517
2 changed files with 0 additions and 17 deletions
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15
drivers/staging/comedi/comedi_buf.c
View File

@ -427,21 +427,6 @@ unsigned int comedi_buf_read_free(struct comedi_subdevice *s,
}
EXPORT_SYMBOL_GPL(comedi_buf_read_free);
int comedi_buf_put(struct comedi_subdevice *s, unsigned short x)
{
struct comedi_async *async = s->async;
unsigned int n = __comedi_buf_write_alloc(s, sizeof(short), 1);
if (n < sizeof(short)) {
async->events |= COMEDI_CB_ERROR;
return 0;
}
*(unsigned short *)(async->prealloc_buf + async->buf_write_ptr) = x;
comedi_buf_write_free(s, sizeof(short));
return 1;
}
EXPORT_SYMBOL_GPL(comedi_buf_put);
static void comedi_buf_memcpy_to(struct comedi_subdevice *s,
const void *data, unsigned int num_bytes)
{

2
drivers/staging/comedi/comedidev.h
View File

@ -441,8 +441,6 @@ unsigned int comedi_buf_read_n_available(struct comedi_subdevice *s);
unsigned int comedi_buf_read_alloc(struct comedi_subdevice *s, unsigned int n);
unsigned int comedi_buf_read_free(struct comedi_subdevice *s, unsigned int n);
int comedi_buf_put(struct comedi_subdevice *s, unsigned short x);
unsigned int comedi_write_array_to_buffer(struct comedi_subdevice *s,
const void *data,
unsigned int num_bytes);