Em Fri, 14 Sep 2018 14:19:29 +0200
Marek Szyprowski escreveu:
> Hi Robin,
>
> On 2018-09-12 18:45, Robin Murphy wrote:
> > Having of_reserved_mem_device_init() forcibly reconfigure DMA for all
> > callers, potentially overriding the work done by a bus-specific
> > .dma_configure method earlier,
Hi Robin,
On 2018-09-12 18:45, Robin Murphy wrote:
> Having of_reserved_mem_device_init() forcibly reconfigure DMA for all
> callers, potentially overriding the work done by a bus-specific
> .dma_configure method earlier, is at best a bad idea and at worst
> actively harmful. If drivers really nee
Having of_reserved_mem_device_init() forcibly reconfigure DMA for all
callers, potentially overriding the work done by a bus-specific
.dma_configure method earlier, is at best a bad idea and at worst
actively harmful. If drivers really need virtual devices to own
dma-coherent memory, they should ex