This patchset contains the following commits: Bastian Hecht (1): drivers: dma-coherent: Move spinlock in dma_alloc_from_coherent()
George G. Davis (1): drivers: dma-coherent: Fix DMA coherent size for less than page drivers/base/dma-coherent.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) Background information ---------------------- These 2 commits were originally developed and validated on an ARM i.MX6 based commercial project running a highly modified 3.14 Linux kernel. The commits were needed to amend dma_mmap_from_coherent() to deal correctly with mappings of less than one page, and to improve latency on SMP systems where large DMA buffers are used. The commits have been forward-ported to driver-core-next master branch HEAD (c693593 Linux 4.8-rc5) Commit details -------------- This patchset fixes a couple of problems with dma-coherent seen on a commercial i.MX6 based system. Note: Testing has only been done on an ARM i.MX6 based platform. -- 1.7.9.5
