On Thu, Jan 24, 2019 at 12:13:06PM +0100, Rafael J. Wysocki wrote: > Hi Greg at al, > > Recently I have been looking at the device links code because of the > recent discussion on possibly using them in the DRM subsystem (see for > example https://marc.info/?l=linux-pm&m=154832771905309&w=2) and I have > found a few issues in that code which should be addressed by this patch > series. Please refer to the patch changelogs for details. > > None of the problems addressed here should be manifesting themselves in > mainline kernel today, but if there are more device links users in the > future, they most likely will be encountered sooner or later. Also they > need to be fixed for the DRM use case to be supported IMO. > > This series does not fix all issues in device links that have become > apparent (generally speaking, the idea of returning an existing link > in case there is one already for the given consumer-supplier pair > doesn't play well with stateful links and their flags), so there will > be a follow-up series of patches to clean that up. Still, I don't see > a reason to sit on these fixes while working on the other patches, so > here they go.
Hi Rafael, I've just given these a quick boot, unbind and rebind test with my DRM case, and nothing seems to have regressed on the face of it. Tested-by: Russell King <[email protected]> Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up
