Re: [PATCH] USB: Don't set USB_PORT_FEAT_SUSPEND on WD19's Realtek Hub

2021-04-14 Thread Chris Chiu
On Wed, Apr 14, 2021 at 10:32 PM Alan Stern wrote: > > On Wed, Apr 14, 2021 at 01:07:43PM +0800, Chris Chiu wrote: > > Thanks for the instructions. I can hit the same timeout problem with > > runtime PM. The > > fail rate seems the same as normal PM. (around 1/4 ~ 1/7) > > root@:/sys/bus/usb/devic

Re: [PATCH] USB: Don't set USB_PORT_FEAT_SUSPEND on WD19's Realtek Hub

2021-04-14 Thread Alan Stern
On Wed, Apr 14, 2021 at 01:07:43PM +0800, Chris Chiu wrote: > Thanks for the instructions. I can hit the same timeout problem with > runtime PM. The > fail rate seems the same as normal PM. (around 1/4 ~ 1/7) > root@:/sys/bus/usb/devices/3-4.3# echo auto > power/control > root@:/sys/bus/usb/devices

Re: [PATCH] USB: Don't set USB_PORT_FEAT_SUSPEND on WD19's Realtek Hub

2021-04-13 Thread Chris Chiu
On Tue, Apr 13, 2021 at 10:44 PM Alan Stern wrote: > > On Tue, Apr 13, 2021 at 03:52:14PM +0800, Chris Chiu wrote: > > On Mon, Apr 12, 2021 at 11:12 PM Alan Stern > > wrote: > > > > > > On Mon, Apr 12, 2021 at 11:00:06PM +0800, chris.c...@canonical.com wrote: > > > > The USB_PORT_FEAT_SUSPEND is

Re: [PATCH] USB: Don't set USB_PORT_FEAT_SUSPEND on WD19's Realtek Hub

2021-04-13 Thread Alan Stern
On Tue, Apr 13, 2021 at 03:52:14PM +0800, Chris Chiu wrote: > On Mon, Apr 12, 2021 at 11:12 PM Alan Stern wrote: > > > > On Mon, Apr 12, 2021 at 11:00:06PM +0800, chris.c...@canonical.com wrote: > > > The USB_PORT_FEAT_SUSPEND is not really necessary due to the > > > "global suspend" in USB 2.0 sp

Re: [PATCH] USB: Don't set USB_PORT_FEAT_SUSPEND on WD19's Realtek Hub

2021-04-13 Thread Chris Chiu
On Mon, Apr 12, 2021 at 11:12 PM Alan Stern wrote: > > On Mon, Apr 12, 2021 at 11:00:06PM +0800, chris.c...@canonical.com wrote: > > From: Chris Chiu > > > > Realtek Hub (0bda:5413) in Dell Dock WD19 sometimes fails to work > > after the system resumes from suspend with remote wakeup enabled > >

Re: [PATCH] USB: Don't set USB_PORT_FEAT_SUSPEND on WD19's Realtek Hub

2021-04-12 Thread Alan Stern
On Mon, Apr 12, 2021 at 11:00:06PM +0800, chris.c...@canonical.com wrote: > From: Chris Chiu > > Realtek Hub (0bda:5413) in Dell Dock WD19 sometimes fails to work > after the system resumes from suspend with remote wakeup enabled > device connected: > [ 1947.640907] hub 5-2.3:1.0: hub_ext_port_st