BUG report: usb: dwc3: Link TRB triggered an intterupt without IOC being setted

2019-09-22 Thread alex zheng
Hi all, I am a user of dwc3 USB host controller, I found there are some confused behavior of trb event on this controller. When I run a raw USB data transfer(run bulk in&out transfer with libusb) and iperf3(over rndis) at the same time, there are some strange interrupts occurs and make the driver

Re: BUG report: usb: dwc3: Link TRB triggered an intterupt without IOC being setted

2019-09-23 Thread alex zheng
Hi, balbi, Thank you for your reply~ Felipe Balbi 于2019年9月23日周一 下午1:36写道: > > > Hi, > > (it helps when you Cc correct maintainers ;-) > > alex zheng writes: > > > Hi all, > > > > I am a user of dwc3 USB host controller, I found there are some

Re: BUG report: usb: dwc3: Link TRB triggered an intterupt without IOC being setted

2019-09-24 Thread alex zheng
. Thank you for your advices~ Felipe Balbi 于2019年9月23日周一 下午6:45写道: > > > Hi Alex, > > alex zheng writes: > >> > I am a user of dwc3 USB host controller, I found there are some > >> > confused behavior of trb event on this controller. > >> >

Re: BUG report: usb: dwc3: Link TRB triggered an intterupt without IOC being setted

2019-09-26 Thread alex zheng
Hi, Mathias Nyman 于2019年9月26日周四 下午4:19写道: > > On 26.9.2019 8.45, Felipe Balbi wrote: > > > > Hi, > > > > David Laight writes: > >> From: Mathias Nyman > >>> Sent: 25 September 2019 15:48 > >>> > >>> On 24.9.2019 17.45,

Re: BUG report: usb: dwc3: Link TRB triggered an intterupt without IOC being setted

2019-10-23 Thread alex zheng
Hi, all We found that this is a known issue of synopsys DWC3 USB controller, when the PARKMODE_SS of DWC3 is enable, the controller may hang or do wrong TRB schedule in some heavy load conditions. Setting DISABLE_PARKMODE_SS to 1 can work around this bug. Thank you for your help. alex zheng 于