On Fri, May 10, 2019 at 04:03:37PM +0100, Robin Murphy wrote: > Hi Laurentiu, > > On 10/05/2019 15:56, wrote: >> From: Laurentiu Tudor <laurentiu.tudor@xxxxxxx> >> >> For HCs that have local memory, replace the current DMA API usage >> with a genalloc generic allocator to manage the mappings for these >> devices. >> This is in preparation for dropping the existing "coherent" dma >> mem declaration APIs. Current implementation was relying on a short >> circuit in the DMA API that in the end, was acting as an allocator >> for these type of devices. >> >> Only compiled tested, so any volunteers willing to test are most welcome. > > Based on my diggings into this in the past, I would expect that you need to > do something about hcd_alloc_coherent() as well. Yep. And it might make sense to share the code for that and the ohci internal allocations with a helper.
