Re: Runtime PM enabled EHCI does not respond to device plugging.

On Fri, May 26, 2017 at 1:01 AM, Alan Stern wrote: > On Thu, 25 May 2017, Kai-Heng Feng wrote: > >> > My mistake; we need to see the information from "lspci -vv -s 00:12.0" >> > with two "v"'s, not just one. >> >> Before wakeup: >> 00:12.0 USB controller: Advanced Micro

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Thu, 25 May 2017, Kai-Heng Feng wrote: > > My mistake; we need to see the information from "lspci -vv -s 00:12.0" > > with two "v"'s, not just one. > > Before wakeup: > 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB > EHCI Controller (rev 39) (prog-if 20 [EHCI]) >

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Wed, May 24, 2017 at 11:34 PM, Alan Stern wrote: > On Wed, 24 May 2017, Kai-Heng Feng wrote: > >> On Wed, May 24, 2017 at 12:43 AM, Alan Stern >> wrote: >> >> >> >> Output of `cat /sys/kernel/debug/usb/usbmon/1u`: >> >> Runtime PM

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Wed, 24 May 2017, Kai-Heng Feng wrote: > On Wed, May 24, 2017 at 12:43 AM, Alan Stern > wrote: > >> > >> Output of `cat /sys/kernel/debug/usb/usbmon/1u`: > >> Runtime PM disabled as attachment. > > > > When you say "runtime PM disabled", you mean that it is

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Wed, May 24, 2017 at 12:43 AM, Alan Stern wrote: >> >> Output of `cat /sys/kernel/debug/usb/usbmon/1u`: >> Runtime PM disabled as attachment. > > When you say "runtime PM disabled", you mean that it is disabled for > the EHCI controller but enabled for other devices,

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Tue, 23 May 2017, Kai-Heng Feng wrote: > >> Sorry for not explaining the original question well enough - the real > >> problem is that after enabling runtime PM on EHCI, the two physical > >> ports on the right side of the laptop no longer response to any > >> device, e.g. an USB storage or an

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Tue, May 23, 2017 at 3:21 AM, Alan Stern wrote: > On Mon, 22 May 2017, Kai-Heng Feng wrote: > >> So in order to detect SD card under runtime PM, it's a perfectly >> normal behavior, right? > > Yes. Thanks for the info. > >> Sorry for not explaining the original

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Mon, 22 May 2017, Kai-Heng Feng wrote: > So in order to detect SD card under runtime PM, it's a perfectly > normal behavior, right? Yes. > Sorry for not explaining the original question well enough - the real > problem is that after enabling runtime PM on EHCI, the two physical > ports on

Re: Runtime PM enabled EHCI does not respond to device plugging.

Hi, On Sat, May 20, 2017 at 12:13 AM, Alan Stern wrote: [snip] > > Your log shows that the 2-1.1 device is a USB2.0-CRW card reader, and > it uses the rtsx_usb driver. This driver probes the reader every few > seconds to see whether a card has been inserted (actually,

Re: Runtime PM enabled EHCI does not respond to device plugging.

On Fri, 19 May 2017, Kai-Heng Feng wrote: > Hi, > > This issue happens on Carrizo AMD laptops, only EHCI is affected, XHCI > works fine on the same machine. > > I can see lots of USB wakeup and resume messages showed every two seconds. > Plug USB devices to the EHCI port does not change

Runtime PM enabled EHCI does not respond to device plugging.

Hi, This issue happens on Carrizo AMD laptops, only EHCI is affected, XHCI works fine on the same machine. I can see lots of USB wakeup and resume messages showed every two seconds. Plug USB devices to the EHCI port does not change anything. dmesg with ehci-hcd, ehci-pci and usbcore dynamic