> -----Original Message----- > From: Felipe Balbi [mailto:felipe.balbi@xxxxxxxxxxxxxxx] > Sent: Thursday, December 08, 2016 5:46 PM > To: Jerry Huang <jerry.huang@xxxxxxx>; stern@xxxxxxxxxxxxxxxxxxx; > linux-usb@xxxxxxxxxxxxxxx; Mathias Nyman > <mathias.nyman@xxxxxxxxxxxxxxx>; Arnd Bergmann <arnd@xxxxxxxx> > Cc: Sriram Dash <sriram.dash@xxxxxxx>; Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> > Subject: RE: USB3.0 DWC3 can't work with latest Linux-4.9.rc7 > > > Hi, > > Jerry Huang <jerry.huang@xxxxxxx> writes: > > [...] > > >> >> >> oh, it's the DMA thing. We have patches going to next for this. > >> >> >> Arnd, do you know if next has all missing pieces? There was > >> >> >> something pending on XHCI IIRC, right? > >> >> > So, there are some patches for this issue? Where can I find it? > >> >> > I need these > >> >> patches for my work. > >> >> > >> >> https://lkml.org/lkml/2016/11/17/339 > >> > You means these below 6 patches? They have been applied to > >> > Linux-4.9- > >> rc8. > >> > Based on Linux-4.9-rc8, I got the error when I connect USB3.0 disk > >> > to board > >> (USB2.0 disk works well): > >> > [ 16.360257] usb 4-1: device descriptor read/8, error -61 > >> > So, I think all these 6 patches did not set the USB3.0 DMA coherent > >> > correctly, and we need another patch to handle it. > >> > >> okay, please prepare one such patch :-) > > We still need this patch, after applying it to Linux-4.9-rc8, the USB3.0 can > work well. > > https://patches.linaro.org/patch/65892/ > > dwc3 initiated xhci probe problem in arm64 4.4 kernel due to DMA setup > > you're hiding the actual problem. The hole idea for Arnd's work was to fix the > problem for all users, not only OF. Then, I want to know if this patch can be accepted by open source? Or there is another patch to replace it? > -- > balbi -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
