Re: usb: host: xhci: stalled endpoint ring not cleared on empty td_list

2017-04-18 Thread Rolf Evers-Fischer
Dear Alan and Oliver, > Oliver Neukum hat am 18. April 2017 um 09:37 geschrieben: > > You can call usb_kill_anchored_urbs() always. > Alan Stern hat am 17. April 2017 um 16:14 > geschrieben: > > It is not necessary to call

Re: usb: host: xhci: stalled endpoint ring not cleared on empty td_list

2017-04-16 Thread Rolf Evers-Fischer
Hi Chris, > On 04/11/2017 04:33 PM, Christian Gromm wrote: > Well, this sounds like a workaround to me as you are changing the timing > by waiting for the URBs to finish. This might prevent the > race from happening. > I personally would rate it rather as a fix than as a workaround, because the

Re: usb: host: xhci: stalled endpoint ring not cleared on empty td_list

2017-04-11 Thread Rolf Evers-Fischer
Hi, Christian Gromm writes: > we observe an issue with a td_list running empty and an > endpoint being stalled at the same time on > > Linux ihu-low 4.1.27-abl #1 SMP PREEMPT Mon Mar 20 13:51:51 CET 2017 > x86_64 x86_64 x86_64 GNU/Linux. we've recently observed

Re: HSIC on imx6

2014-02-27 Thread Rolf Evers-Fischer
Hi Christian Christian Gmeiner christian.gmei...@gmail.com hat am 26. Februar 2014 um 20:15 geschrieben: Hi Rolf 2014-02-26 15:48 GMT+01:00 Rolf Evers-Fischer embedde...@evers-fischer.de: Hi Christian, Peter Chen peter.c...@freescale.com hat am 26. Februar 2014 um 03:05

Re: HSIC on imx6

2014-02-27 Thread Rolf Evers-Fischer
Rolf Evers-Fischer embedde...@evers-fischer.de hat am 27. Februar 2014 um 12:43 geschrieben: Well, it's not the only patch that we were using in 3.10 kernel: We had 30 chipidea patches on the 3.10 kernel. Fortunately a lot of them have been integrated into the mainline, but 4 of them

Re: HSIC on imx6

2014-02-27 Thread Rolf Evers-Fischer
Hi Christian Christian Gmeiner christian.gmei...@gmail.com hat am 27. Februar 2014 um 15:31 geschrieben: Hi Rolf 2014-02-27 15:19 GMT+01:00 Rolf Evers-Fischer embedde...@evers-fischer.de: Rolf Evers-Fischer embedde...@evers-fischer.de hat am 27. Februar 2014 um 12:43 geschrieben

RE: HSIC on imx6

2014-02-26 Thread Rolf Evers-Fischer
Rolf Evers-Fischer embedde...@evers-fischer.de hat am 25. Februar 2014 um 17:30 geschrieben: Dear Peter, Peter Chen peter.c...@freescale.com hat am 20. Februar 2014 um 02:45 geschrieben: Okay that makes sense. In theory the ehci core should do the reset

RE: HSIC on imx6

2014-02-26 Thread Rolf Evers-Fischer
Hi Christian, Peter Chen peter.c...@freescale.com hat am 26. Februar 2014 um 03:05 geschrieben: patches. I am working some days on this topic but without much success and I am running out of time :/ Will keep you posted. Hope you soon will find some time.

RE: HSIC on imx6

2014-02-25 Thread Rolf Evers-Fischer
Dear Peter, Peter Chen peter.c...@freescale.com hat am 20. Februar 2014 um 02:45 geschrieben: Okay that makes sense. In theory the ehci core should do the reset. Is there anything special regarding reset and HSIC? After pcd interrupt occurs, hsic will be treated as a normal