[PATCH v3 00/14] staging: comedi: cleanup asynchronous buffer functions

Ian Abbott abbotti at mev.co.uk
Thu Jan 10 12:01:14 UTC 2013


On 2013-01-09 20:24, H Hartley Sweeten wrote:
> The functions used to interact with the asynchronous buffer currently are
> located in the drivers.c source file. The only function driver.c uses is
> comedi_buf_alloc().
>
> For aesthetic reasons and to help maintainability, separate all the
> asynchronous buffer functions out to a new comedi_buf.c source file.
>
> Do a bit of cleanup of the comedi_buf_* functions to clarify them,
>
> v3: reordered again to put questionable patches later in the series
>      fixed an issue in patch 5 that removed the smp_mb barrier
>      reword all the comments about the memory barriers
>      added two patches to prevent exposing comedi_buf_{read,write}_n_allocated
>      added patch to reorder the exported function prototypes
>
> v2: rebased and reordered a bit based on next-20130108
>      fixed a couple int/unsigned int issues pointed out by Ian Abbott
>
>
> H Hartley Sweeten (14):
>    staging: comedi: separate out comedi_buf_* functions
>    staging: comedi: comedi_buf: factor out common code to free the async buffer
>    staging: comedi: comedi_buf: factor out new buffer allocation code
>    staging: comedi: comedi_buf: rename comedi_reset_async_buf()
>    staging: comedi: comedi_buf: factor out common comedi_buf_write_alloc_* code
>    staging: comedi: comedi_buf: remove comedi_buf_write_alloc_strict
>    staging: comedi: comedi_buf: cleanup comedi_buf_munge()
>    staging: comedi: comedi_buf: clarify comedi_buf_write_free()
>    staging: comedi: comedi_buf: cleanup comedi_buf_read_n_available()
>    staging: comedi: comedi_buf: clarify comedi_buf_read_alloc()
>    staging: comedi: comedi_buf: clarify comedi_buf_read_free()
>    staging: comedi: comedi_buf: don't expose comedi_buf_read_n_allocated()
>    staging: comedi: comedi_buf: don't expose comedi_buf_write_n_allocated()
>    staging: comedi: comedi_buf: reorder exported function prototypes
>
>   drivers/staging/comedi/Makefile          |   3 +-
>   drivers/staging/comedi/comedi_buf.c      | 427 +++++++++++++++++++++++++++++++
>   drivers/staging/comedi/comedi_fops.c     |   4 +-
>   drivers/staging/comedi/comedi_internal.h |   4 +-
>   drivers/staging/comedi/comedidev.h       |  31 +--
>   drivers/staging/comedi/drivers.c         | 398 ----------------------------
>   6 files changed, 444 insertions(+), 423 deletions(-)
>   create mode 100644 drivers/staging/comedi/comedi_buf.c

I've looked over these 14 patches and they look fine to me.

Signed-off-by: Ian Abbott <abbotti at mev.co.uk>

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti at mev.co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-



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