Re: Applying Patch to Change Max Packet Size for Device

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On Thu, 17 Sep 2015, Todd Efflam wrote:

> On Thu, Sep 17, 2015 at 8:49 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> > If the problem affects both the EHCI and xHCI controllers, why do you
> > want to work around by changing only xhci-hcd?  Wouldn't it be better
> > to change the USB core?
> 
> We're looking into this and have realized this is probably the best
> place to make a patch, thank you.

Then you should look at usb_parse_endpoint() in 
drivers/usb/core/config.c.  It already makes a bunch of adjustments 
along similar lines to what you need.

Alan Stern

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