On Thu, Oct 10, 2019 at 09:49:12AM +0100, Russell King - ARM Linux admin wrote: > Hi Greg, > > On 5th October, Christian Zigotzky <chzigotzky@xxxxxxxxxxx> reported a > problem with this on PowerPC (at a guess, it looks like there's a > PowerPC user of this where the DT does not mark the device as > dma-coherent, but the hardware requires it to be DMA coherent.) > > However, despite sending a reply to him within minutes of his email > arriving, I've heard nothing since, so there's been no progress on > working out what is really going on. > > Given that the reporter hasn't responded to my reply, I'm not sure > what we should be doing with this... maybe the reporter has solved > his problem, maybe he was using an incorrect DT, we just don't know. Let's just leave this in, and if this did cause a problem, whatever fix is made will be sent to Linus and we can then take that fix into stable as well. thanks, greg k-h
