Hi,
I had this problem and using the xhci_hcd.quirks=262144 as boot option fixed it.
Disabling xhci in the UEFI also works but it's not really a fix. I have not tried the other quirks.
Linux version 3.19.3-3-ARCH (builduser@tobias) (gcc version 4.9.2 20150304 (prerelease) (GCC) ) #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015
Hi, quirks= 262144 as boot option fixed it.
I had this problem and using the xhci_hcd.
Disabling xhci in the UEFI also works but it's not really a fix. I have not tried the other quirks.
Linux version 3.19.3-3-ARCH (builduser@tobias) (gcc version 4.9.2 20150304 (prerelease) (GCC) ) #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015