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Message-Id: <1383152778-30739-4-git-send-email-david.a.cohen@linux.intel.com> Date: Wed, 30 Oct 2013 10:06:18 -0700 From: David Cohen <david.a.cohen@...ux.intel.com> To: balbi@...com, gregkh@...uxfoundation.org Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, stern@...land.harvard.edu, Paul.Zimmerman@...opsys.com, David Cohen <david.a.cohen@...ux.intel.com> Subject: [PATCH v3 3/3] usb: dwc3: add quirk USB_GADGET_QUIRK_EP_OUT_ALIGNED_SIZE to gadget driver 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@...ux.intel.com> --- 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 5452c0f..528c7d7 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 = 1; + + /* * 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-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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