On Thu, Dec 24, 2015 at 09:42:58AM +0100, Stefan Wahren wrote: > Hi, > > > Peter Chen <hzpeterc...@gmail.com> hat am 23. Dezember 2015 um 10:49 > > geschrieben: > > > > > > On Wed, Dec 23, 2015 at 6:54 AM, Fabio Estevam <feste...@gmail.com> 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 > > > insert/remove the USB device and it always gets detected. > > i want to know more about this issue: > > Are there any unaffected Mainline Kernel versions? >
Before USB runtime suspend is enabled by default, and the user does not enable USB runtime suspend. > Are there special hardware requirements to reproduce this issue? > No, see the description for flag MXS_PHY_ABNORMAL_IN_SUSPEND at drivers/usb/phy/phy-mxs-usb.c > Is this issue documented in a chip errata? > I am not sure, this issue is described at mxs PHY driver using flag MXS_PHY_ABNORMAL_IN_SUSPEND. > Is it reproducable with an i.MX28 EVK? > If you can created the situation the flag MXS_PHY_ABNORMAL_IN_SUSPEND described > Is i.MX23 affected, too Yes > > Thanks in advance > > Best regards > Stefan -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
