diff options
| author | Patrick Daly <pdaly@codeaurora.org> | 2016-02-17 15:58:22 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:14:10 -0700 |
| commit | d224f0017fa0f767c9e6ff5270cc4772eb6d7e0c (patch) | |
| tree | 164b7b8a68ab61496fb9ed35446953859c376953 /include/linux/stringify.h | |
| parent | b0dc751515fcc7b9267b7e688a2d931f37923609 (diff) | |
arm: dma: Allow CMA pages to not have a kernel mapping.
Currently, there are use cases where not having any kernel
mapping is required; if the CMA memory needs to be used as
a pool which can have both cached and uncached mappings we
need to remove the mapping to avoid the multiple mapping
problem. Extend the dma APIs to use the DMA_ATTR_NO_KERNEL_MAPPING
with CMA. This doesn't end up saving any virtual address space
but the mapping will still not be present.
Change-Id: I64d21250abbe615c43e2b5b1272ee2b6d106705a
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Diffstat (limited to 'include/linux/stringify.h')
0 files changed, 0 insertions, 0 deletions