| commit | 6137e4166004e2ec383ac05d5ca15831f4668806 | |
| author | Max Filippov <jcmvbkbc@gmail.com> | |
| Thu, 15 Feb 2018 00:12:54 +0000 (14 16:12 -0800) | ||
| committer | Max Filippov <jcmvbkbc@gmail.com> | |
| Sat, 17 Feb 2018 03:19:54 +0000 (16 19:19 -0800) | ||
| tree | 5991a1e8060bb0eb3091ebb34d8ad189b22cea49 | treesnapshot (tar.gz zip) |
| parent | 6ac5a11dc674bc5016ea716e8082fff61f524dc1 | commitdiff |
xtensa: support DMA buffers in high memory
If a DMA buffer is allocated in high memory and kernel mapping is
required use dma_common_contiguous_remap to map buffer to the vmalloc
region and dma_common_free_remap to unmap it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
If a DMA buffer is allocated in high memory and kernel mapping is
required use dma_common_contiguous_remap to map buffer to the vmalloc
region and dma_common_free_remap to unmap it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
| arch/xtensa/kernel/pci-dma.c | diffblobblamehistory |