Hi, > From: Ulf Hansson, Sent: Monday, December 4, 2017 7:41 PM > > On 1 December 2017 at 12:03, Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: <snip> > > Sure! I tested your patch, and then the following message disappeared! > > > > Enabling runtime PM for inactive device (ee080200.usb-phy) with active children > > Great, that confirms my theory. > > I will re-work the patch and re-post it to see what people thinks about it. Thank you! > > > > However, the following message still exists. > > > > Enabling runtime PM for inactive device (ee080000.usb) with active children > > > > So, I guess ohci-platform.c also has similar issue. > > Yes, very likely! > > However, I need some more time to look into this to be able to suggest > a solution. I found a solution and sent a report as below: https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1551146.html What do you think about using pm_runtime_forbid()? Best regards, Yoshihiro Shimoda
