Re: [PATCH v2] dma-mapping: Provide write-combine allocations

Marek Szyprowski
2014-08-21T10:38:54Z

Hello,

On 2014-08-01 17:19, Russell King - ARM Linux wrote:
> On Fri, Aug 01, 2014 at 02:40:59PM +0200, Thierry Reding wrote:
>> On Fri, Jun 27, 2014 at 11:56:58AM +0200, Thierry Reding wrote:
>>> From: Thierry Reding <treding@nvidia.com>
>>>
>>> Provide an implementation for dma_{alloc,free,mmap}_writecombine() when
>>> the architecture supports DMA attributes.
>>>
>>> Signed-off-by: Thierry Reding <treding@nvidia.com>
>>> ---
>>> Changes in v2:
>>> - Add a generic dma_mmap_writecombine() function
>>>
>>> arch/arm/include/asm/dma-mapping.h | 16 ----------------
>>> include/asm-generic/dma-mapping-common.h | 8 --------
>>> include/linux/dma-mapping.h | 26 ++++++++++++++++++++++++++
>>> 3 files changed, 26 insertions(+), 24 deletions(-)
>> Ping?
> I have no problem with this, but I don't think I can say yes to it; that
> depends whether other people are happy for this to live in
> include/linux/dma-mapping.h.
>
> I guess consent for this change can only come by no one objecting to it
> after several postings.

I will take this patch my dma-mapping-next tree and later send pull request
to Linus, so it will be handled in a similar way as all other changes to
generic dma-mapping subsystem done in last 2 years.

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland