Re: MX28 with hub cannot reset

2015-12-29 Thread Fabio Estevam
Hi Stefan, On Tue, Dec 29, 2015 at 9:44 AM, Stefan Wahren wrote: > i did some tests with a IMX233-Olinuxino Maxi and external 4 port usb hub, > but i > can't reproduce the problem. > > Could you provide more information about the hub? It is a USB2512. > I think we don't know that the issue co

Re: MX28 with hub cannot reset

2015-12-29 Thread Stefan Wahren
Hi Fabio, > Fabio Estevam hat am 22. Dezember 2015 um 23:54 > geschrieben: > > > Hi, > > On a mx28 custom board with a USB hub I can get a USB stick to get > detected after applying this change: > http://marc.info/?l=linux-usb&m=145079935324339&w=2 > > Things work fine if I boot without the USB s

Re: MX28 with hub cannot reset

2015-12-27 Thread Peter Chen
On Fri, Dec 25, 2015 at 03:41:32PM +0100, Stefan Wahren wrote: > Hi, > > > Peter Chen hat am 25. Dezember 2015 um 07:22 > > geschrieben: > > > > > > On Thu, Dec 24, 2015 at 09:42:58AM +0100, Stefan Wahren wrote: > > > Hi, > > > > > > > Peter Chen hat am 23. Dezember 2015 um 10:49 > > > > geschri

Re: MX28 with hub cannot reset

2015-12-25 Thread Stefan Wahren
Hi, > Peter Chen hat am 25. Dezember 2015 um 07:22 > geschrieben: > > > On Thu, Dec 24, 2015 at 09:42:58AM +0100, Stefan Wahren wrote: > > Hi, > > > > > Peter Chen hat am 23. Dezember 2015 um 10:49 > > > geschrieben: > > > > > > > > > On Wed, Dec 23, 2015 at 6:54 AM, Fabio Estevam wrote: > > >

Re: MX28 with hub cannot reset

2015-12-24 Thread Peter Chen
On Thu, Dec 24, 2015 at 09:42:58AM +0100, Stefan Wahren wrote: > Hi, > > > Peter Chen hat am 23. Dezember 2015 um 10:49 > > geschrieben: > > > > > > On Wed, Dec 23, 2015 at 6:54 AM, Fabio Estevam wrote: > > > Hi, > > > > > > On a mx28 custom board with a USB hub I can get a USB stick to get > >

Re: MX28 with hub cannot reset

2015-12-24 Thread Fabio Estevam
Hi Stefan, On Thu, Dec 24, 2015 at 6:42 AM, Stefan Wahren wrote: > i want to know more about this issue: > > Are there any unaffected Mainline Kernel versions? It affects all kernel versions. > Are there special hardware requirements to reproduce this issue? I can only see this problem on a m

Re: MX28 with hub cannot reset

2015-12-24 Thread Stefan Wahren
Hi, > Peter Chen hat am 23. Dezember 2015 um 10:49 > geschrieben: > > > On Wed, Dec 23, 2015 at 6:54 AM, Fabio Estevam wrote: > > Hi, > > > > On a mx28 custom board with a USB hub I can get a USB stick to get > > detected after applying this change: > > http://marc.info/?l=linux-usb&m=145079935

Re: MX28 with hub cannot reset

2015-12-23 Thread Peter Chen
On Wed, Dec 23, 2015 at 08:05:13AM -0200, Fabio Estevam wrote: > Hi Peter, > > On Wed, Dec 23, 2015 at 7:49 AM, Peter Chen wrote: > > > Fabio, there is a bug for imx28 usb low power mode, and we have no > > good way to implement > > workaround using current USB PHY framework, would you please test

Re: MX28 with hub cannot reset

2015-12-23 Thread Fabio Estevam
Hi Peter, On Wed, Dec 23, 2015 at 7:49 AM, Peter Chen wrote: > Fabio, there is a bug for imx28 usb low power mode, and we have no > good way to implement > workaround using current USB PHY framework, would you please test by > add "usbcore.autosuspend = -1" > at bootargs (no CI_HDRC_SUPPORTS_RUN

Re: MX28 with hub cannot reset

2015-12-23 Thread Peter Chen
On Wed, Dec 23, 2015 at 6:54 AM, Fabio Estevam wrote: > Hi, > > On a mx28 custom board with a USB hub I can get a USB stick to get > detected after applying this change: > http://marc.info/?l=linux-usb&m=145079935324339&w=2 > > Things work fine if I boot without the USB stick connected. Then I can

MX28 with hub cannot reset

2015-12-22 Thread Fabio Estevam
Hi, On a mx28 custom board with a USB hub I can get a USB stick to get detected after applying this change: http://marc.info/?l=linux-usb&m=145079935324339&w=2 Things work fine if I boot without the USB stick connected. Then I can insert/remove the USB device and it always gets detected. However