From a4b9d94b3dc8e65951c1819d37f213b3c6815adc Mon Sep 17 00:00:00 2001 From: David Cohen Date: Mon, 9 Dec 2013 15:55:38 -0800 Subject: usb: dwc3: set gadget's quirk ep_out_align_size DWC3 requires epout to have buffer size aligned to MaxPacketSize value. This patch sets necessary quirk for it. Signed-off-by: David Cohen Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/usb') 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 @@ -2599,6 +2599,12 @@ int dwc3_gadget_init(struct dwc3 *dwc) dwc->gadget.sg_supported = true; 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. -- cgit v1.2.3