On Fri, Nov 16, 2012 at 4:03 PM, Viresh Kumar <viresh.ku...@linaro.org> wrote:
> On 16 November 2012 19:29, Andy Shevchenko
> <andriy.shevche...@linux.intel.com> wrote:
>> This function helps to distinguish the slave type of transfer by checking the
>> direction parameter.
>>
>> Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
>> Cc: Nicolas Ferre <nicolas.fe...@atmel.com>
>> Cc: Mika Westerberg <mika.westerb...@linux.intel.com>
>> Cc: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
>> Cc: Linus Walleij <linus.wall...@linaro.org>
>> ---
>> include/linux/dmaengine.h | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
>> index 6402b18..3e1a9026 100644
>> --- a/include/linux/dmaengine.h
>> +++ b/include/linux/dmaengine.h
>> @@ -618,6 +618,11 @@ static inline int dmaengine_slave_config(struct
>> dma_chan *chan,
>> (unsigned long)config);
>> }
>>
>> +static inline bool is_slave_xfer(enum dma_transfer_direction direction)
>> +{
>> + return (direction == DMA_MEM_TO_DEV) || (direction ==
>> DMA_DEV_TO_MEM);
>> +}
>
> Reviewed-by: Viresh Kumar <viresh.ku...@linaro.org>
>
> Though i still have vote to include DMA_DEV_TO_DEV in thist list :)
I propose to do this later when we have a real user of it. Otherwise
it requires to do additional (sometimes useless) checks.
--
With Best Regards,
Andy Shevchenko
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
