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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 EE449C2D0DB for ; Fri, 24 Jan 2020 09:56:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B566120718 for ; Fri, 24 Jan 2020 09:56:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579859801; bh=AwD1W9Ge++vD1TBgPbiOKJHMrdglQf5gdZit915jsJ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ELqBoNt1u0iaKy69HUHSwwhMp07EOgqXF+2jC/yi/jxU8DXlLlOC6pZMp6j6mZkCf 2LJfJ3VbfuI3hTOF7BHwcNBkmSNCj/ytdZv99lmbJQLiLQuLwfCQLVCig4DWYuixeT B6EN+XpEGYKrDjo7kX7NY+isyZutVlrn/rOBg6ak= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388567AbgAXJ4l (ORCPT ); Fri, 24 Jan 2020 04:56:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:60396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388041AbgAXJ4k (ORCPT ); Fri, 24 Jan 2020 04:56:40 -0500 Received: from localhost (unknown [145.15.244.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C8F95214AF; Fri, 24 Jan 2020 09:56:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579859799; bh=AwD1W9Ge++vD1TBgPbiOKJHMrdglQf5gdZit915jsJ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gStCmNxRR59vSaCxOJMZAIioIRWcYY9l8rCrSoMhVzG0L+hGCUEbbl90U4+cW6ao5 Gusd7gMaYFjQsgZ6QueduKb82kp47S/prks5knwoxSQa6f387TD0RjaiE+NUD9A+rY 66+evfN8xFFUN64k5YoFT3kOD7uBGNPO0a0BLWSg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Minas Harutyunyan , Felipe Balbi , Sasha Levin Subject: [PATCH 4.14 185/343] dwc2: gadget: Fix completed transfer size calculation in DDMA Date: Fri, 24 Jan 2020 10:30:03 +0100 Message-Id: <20200124092944.350824198@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200124092919.490687572@linuxfoundation.org> References: <20200124092919.490687572@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Minas Harutyunyan [ Upstream commit 5acb4b970184d189d901192d075997c933b82260 ] Fix calculation of transfer size on completion in function dwc2_gadget_get_xfersize_ddma(). Added increment of descriptor pointer to move to next descriptor in the loop. Fixes: aa3e8bc81311 ("usb: dwc2: gadget: DDMA transfer start and complete") Signed-off-by: Minas Harutyunyan Signed-off-by: Felipe Balbi Signed-off-by: Sasha Levin --- drivers/usb/dwc2/gadget.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index e164439b21542..4af9a1c652edb 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2276,6 +2276,7 @@ static unsigned int dwc2_gadget_get_xfersize_ddma(struct dwc2_hsotg_ep *hs_ep) if (status & DEV_DMA_STS_MASK) dev_err(hsotg->dev, "descriptor %d closed with %x\n", i, status & DEV_DMA_STS_MASK); + desc++; } return bytes_rem; -- 2.20.1