On Mon, 2 Nov 2015, Alan Stern wrote: > On Mon, 2 Nov 2015, Steinar H. Gunderson wrote: > > > On Mon, Nov 02, 2015 at 11:04:42AM -0500, Alan Stern wrote: > > > To make your life easier, here's a patch which blacklists these two > > > devices for Link Power Management. Please let me know if it works > > > okay. > > > > OK, this worked brilliantly. I can now use both cards at the same time, > > and I also see no LPM timeouts anymore. (Tested on top of 4.3.0, with > > CONFIG_PM=y.) > > Thanks for testing. I will submit the patch in two weeks, when the > current merge window closes.
Or maybe not. This may not be the best way to solve the problem, since you found that the two video cards worked okay with one xHCI host controller but not with another. Maybe what we really need to do is blacklist some controllers for LPM, rather than the devices. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
