RE: [PATCH] usb: dwc3: host: inherit dma configuration from parent dev

From: Sriram Dash
Date: Wed Sep 21 2016 - 11:19:10 EST

>From: Arnd Bergmann [mailto:arnd@xxxxxxxx]
>On Wednesday, September 21, 2016 11:06:47 AM CEST Sriram Dash wrote:
>> Hello Arnd,
>> We tried this patch on NXP platforms (ls2085 and ls1043) which use
>> dwc3 controller without any glue layer. On first go, this did not
>> work. But after minimal reworks mention snippet below, we are able to
>> verify that the USB was working OK.
>> drivers/usb/host/xhci-mem.c | 12 ++++++------
>> drivers/usb/host/xhci.c | 20 ++++++++++----------
>> - struct device *dev = xhci_to_hcd(xhci)->self.controller;
>> + struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
>> We believe the patch needs little modification to work or there might
>> be chances we may have missed something. Any idea?
>I had not tried the patch, it was just sent for clarification what I meant, so I'm glad
>you got it working with just minimal changes.
>Unfortunately, I can't tell from your lines above what exactly you changed, can you
>send that again as a proper patch?