From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11517C43331 for ; Sun, 29 Mar 2020 23:13:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D687320748 for ; Sun, 29 Mar 2020 23:13:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="Wjs+SgYR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727173AbgC2XNG (ORCPT ); Sun, 29 Mar 2020 19:13:06 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.87.133]:45296 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726382AbgC2XNG (ORCPT ); Sun, 29 Mar 2020 19:13:06 -0400 Received: from mailhost.synopsys.com (sv2-mailhost1.synopsys.com [10.205.2.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 6974CC0084; Sun, 29 Mar 2020 23:13:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1585523585; bh=ftGNMMX+UbJ0+sWej98tnEtCxrDD2tsF6QmsiMcLJkU=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=Wjs+SgYRvy5xtRyWRNLDeFwvvLqwT0gxw609+x/7OOaNiirLpBLihTAsLEBJl5xBU k9F0O8VB7V64TIg8ELXVJ6je04GjrhFFj0lwO6W3XdmyreWnC2aJ4k2ydW9l1QXMDR xeHQmz1B4PttgOyDs4izQP293PzMDtkTcQa8j+K9dkjEuntccLR3NHWfNDWVulq7LE Uhfj13RoP+I2iZiZ0+jY/owcl9/t4od3/kgjw4ViZVob3mrUJdrlYD4onx9RVO4YAt mPlQCqGmR3dvpWTShOYAVX4WP+ooYweNMssFfMxh7rkBFaAPCgceK1zwv4A03b5MG0 0x2sDoaM1aWeA== Received: from te-lab16 (nanobot.internal.synopsys.com [10.10.186.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mailhost.synopsys.com (Postfix) with ESMTPSA id 38D9EA00B1; Sun, 29 Mar 2020 23:13:04 +0000 (UTC) Received: by te-lab16 (sSMTP sendmail emulation); Sun, 29 Mar 2020 16:13:04 -0700 Date: Sun, 29 Mar 2020 16:13:04 -0700 Message-Id: <7a132f0067d0969be47a082eecadf268b28f86cf.1585523081.git.thinhn@synopsys.com> In-Reply-To: References: From: Thinh Nguyen Subject: [PATCH v2 2/4] usb: dwc3: gadget: Store resource index of start cmd To: Felipe Balbi , Greg Kroah-Hartman , Thinh Nguyen , linux-usb@vger.kernel.org Cc: John Youn Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org As long as the START_TRANSFER command completes, it provides the resource index of the endpoint. Use this when we need to issue END_TRANSFER command to an isoc endpoint to retry with a new XferNotReady event. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/gadget.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index b02832ad9e72..7989fe663300 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -387,9 +387,12 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd, trace_dwc3_gadget_ep_cmd(dep, cmd, params, cmd_status); - if (ret == 0 && DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) { - dep->flags |= DWC3_EP_TRANSFER_STARTED; - dwc3_gadget_ep_get_transfer_index(dep); + if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) { + if (ret == 0) + dep->flags |= DWC3_EP_TRANSFER_STARTED; + + if (ret != -ETIMEDOUT) + dwc3_gadget_ep_get_transfer_index(dep); } if (saved_config) { -- 2.11.0