DWC3 requires epout to have buffer size aligned to MaxPacketSize value. This patch adds necessary quirk for it. Signed-off-by: David Cohen <david.a.cohen@xxxxxxxxxxxxxxx> --- drivers/usb/dwc3/gadget.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 5452c0fce360..b85ec110d6a0 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2600,6 +2600,12 @@ int dwc3_gadget_init(struct dwc3 *dwc) dwc->gadget.name = "dwc3-gadget"; /* + * Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize + * on ep out. + */ + dwc->gadget.quirk_ep_out_aligned_size = true; + + /* * REVISIT: Here we should clear all pending IRQs to be * sure we're starting from a well known location. */ -- 1.8.4.rc3 -- 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