On Thu, 2019-02-14 at 17:03 +0200, Mathias Nyman wrote: > This card reader prevents second system suspend on latest kernels, see thread: > https://marc.info/?l=linux-usb&m=154816680816246&w=2 > > In that case the card reader fails to resume from usb3 U3 suspend state, > and ends up stuck in USB3 polling state, which now prevents suspend > > Could you try a testpatch (attached) to see if it helps? > > Thanks > -Mathias Hi Mathias, thanks for your patch. I applied it on top of current master (5.0.0- rc6+ 1f947a7a011fcceb14cb912f5481a53b18f1879a) and tested it. Unfortunately, without success. Card reader disappeared after the first suspend/resume cycle. Second suspend failed. Complete dmesg is here: https://raw.githubusercontent.com/im-0/investigate-card-reader-suspend-problem-on-mbp11.4/master/test-18/dmesg
