Messages in this thread | | | Date | Tue, 29 Oct 2013 07:24:26 -0700 | From | David Cohen <> | Subject | Re: [RFC/PATCH 2/2] usb: ffs/dwc3: pad epout buffer size when not aligned to maxpacketsize |
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>> + /* >> + * DWC3 requires buffer size to be aligned to maxpacketsize >> + * of an out endpoint. >> + * FIXME: a more generic solution might be necessary. >> + */ > > see, gadget drivers shouldn't have to know about DWC3 at all. They need > to know that current UDC has a quirk where EP OUT transactions need to > be aligned to wMaxPacketSize, so what I was expecting to see here was: > > if (test_bit(USB_GADGET_QUIRK_EP_OUT_ALIGNED_SIZE, &gadget->qirks) && > !IS_ALIGNED(len, ep->ep->desc->wMaxPacketSize)) > len = align_length(orig_len, wMaxPacketSize);
That makes sense. I'll send a new version.
Thanks,
David Cohen
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