Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754197Ab3J3REa (ORCPT ); Wed, 30 Oct 2013 13:04:30 -0400 Received: from mga09.intel.com ([134.134.136.24]:49116 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752972Ab3J3RCS (ORCPT ); Wed, 30 Oct 2013 13:02:18 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,535,1378882800"; d="scan'208";a="401080728" From: David Cohen To: balbi@ti.com, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stern@rowland.harvard.edu, Paul.Zimmerman@synopsys.com, David Cohen Subject: [PATCH v3 3/3] usb: dwc3: add quirk USB_GADGET_QUIRK_EP_OUT_ALIGNED_SIZE to gadget driver Date: Wed, 30 Oct 2013 10:06:18 -0700 Message-Id: <1383152778-30739-4-git-send-email-david.a.cohen@linux.intel.com> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1383152778-30739-1-git-send-email-david.a.cohen@linux.intel.com> References: <1383152778-30739-1-git-send-email-david.a.cohen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 33 DWC3 requires epout to have buffer size aligned to MaxPacketSize value. This patch adds necessary quirk for it. Signed-off-by: David Cohen --- 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/