From patchwork Tue Sep 29 22:26:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thinh Nguyen X-Patchwork-Id: 297417 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=-9.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 4BB1AC4727C for ; Tue, 29 Sep 2020 22:26:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D699220789 for ; Tue, 29 Sep 2020 22:26:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="IwxdVHdJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728262AbgI2W0b (ORCPT ); Tue, 29 Sep 2020 18:26:31 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.73.133]:37126 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728192AbgI2W0b (ORCPT ); Tue, 29 Sep 2020 18:26:31 -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 4A2DF42808; Tue, 29 Sep 2020 22:26:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1601418391; bh=EjsJLWo7vauAzIWS21XH6KAsr6JNxKmE2vthl5OwzdA=; h=Date:From:Subject:To:Cc:From; b=IwxdVHdJFOg4kGjCBL+0J4uGweiQ97I4byju7bKpfhpA6fwxaoKpiIytJKuI22KJB 9RJVkKck4fUqBH8IfVg2+yhPkTYYOCksMSQa3aE7p4dFu/rdzbB4PJuhMjtZpHz6+y Txt2rcBW57FIaWxZF8/Fo4XhaxmSK5Tpm4J9rcBdHo6vpF+Xorgkp4bas+di0j9LvO zNdG1WWw0jdZ9WcSAFYFUWJrfskjIJwT/9r+gcERWiF+xi1A139MhP2bm4IO8wW+hT 8PbMwuNaydBQo1oBHkSpn6TjvdbN0MXu89+akytBTNGxikqLhkPtXWnhOyCKH6Afmo lhJQFWnQOarBQ== 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 F1628A0096; Tue, 29 Sep 2020 22:26:29 +0000 (UTC) Received: by te-lab16 (sSMTP sendmail emulation); Tue, 29 Sep 2020 15:26:29 -0700 Date: Tue, 29 Sep 2020 15:26:29 -0700 Message-Id: <41fcbd971c1a976e5353978172f11364a5534453.1601418253.git.Thinh.Nguyen@synopsys.com> X-SNPS-Relay: synopsys.com From: Thinh Nguyen Subject: [PATCH] usb: dwc3: gadget: Support up to max stream id To: Felipe Balbi , Greg Kroah-Hartman , linux-usb@vger.kernel.org Cc: John Youn Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org DWC3 IPs can use the maximum stream id (up to 2^16) specified by the USB 3.x specs. Don't limit to stream id 2^15 only. Note that this does not reflect the number of concurrent streams the controller handles internally. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/gadget.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) base-commit: 8e9f3908b995a33443821dc3a977277f69a4adc3 diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 76c383eecfd3..bfae949dc3c6 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2510,7 +2510,7 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep) usb_ep_set_maxpacket_limit(&dep->endpoint, size); - dep->endpoint.max_streams = 15; + dep->endpoint.max_streams = 16; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list, &dwc->gadget->ep_list); @@ -2559,7 +2559,7 @@ static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep) size /= 3; usb_ep_set_maxpacket_limit(&dep->endpoint, size); - dep->endpoint.max_streams = 15; + dep->endpoint.max_streams = 16; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list, &dwc->gadget->ep_list);