From patchwork Tue Jul 19 01:26:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thinh Nguyen X-Patchwork-Id: 12922068 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A93E2C433EF for ; Tue, 19 Jul 2022 02:24:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236809AbiGSCYu (ORCPT ); Mon, 18 Jul 2022 22:24:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229888AbiGSCYt (ORCPT ); Mon, 18 Jul 2022 22:24:49 -0400 Received: from mx0b-00230701.pphosted.com (mx0b-00230701.pphosted.com [148.163.158.9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E92033E20; Mon, 18 Jul 2022 19:24:48 -0700 (PDT) Received: from pps.filterd (m0098572.ppops.net [127.0.0.1]) by mx0b-00230701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26ILoCF6020763; Mon, 18 Jul 2022 18:26:25 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=synopsys.com; h=date : message-id : in-reply-to : references : from : subject : to : cc; s=pfptdkimsnps; bh=wJLBErIwYYuh2hawl3dyRP19SnzNtsp24HjH65Z2HG8=; b=LB2kEkZHqHjFisGsOAhyhkG7edkLWVm7ix45nNw9O4uvf/rC3opylgYYrUKFPOaUYplo Tno/cB1M2QiyG2Kn7Wh3a5R71ZqZ5Gd82MbUDskvCzE3Hp9YpmjqVwXEokDRXfYXK8+W DVol6NhLEgL3Gh3HV1VLhDqBPeiH7tjVIYU9FxxCK3I0A1+4xXfzPSgyjDl3HcaZw4qI gK2q6krcI3UFoMF9bwOJGxjE25TD2zXiiGPJkEzzIR/jLiYl7x2Emxu32QaguKoRfJ4J 43HJe1UySYbZU1g0ztUIoL4uffplEcQIaWKVnzaPx5U2QVeAFJWFimNZDkRvrvF5mJGj oQ== Received: from smtprelay-out1.synopsys.com (smtprelay-out1.synopsys.com [149.117.87.133]) by mx0b-00230701.pphosted.com (PPS) with ESMTPS id 3hc6c344w3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 18 Jul 2022 18:26:25 -0700 Received: from mailhost.synopsys.com (sv1-mailhost1.synopsys.com [10.205.2.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mailhost.synopsys.com", Issuer "SNPSica2" (verified OK)) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 9A9E0C0649; Tue, 19 Jul 2022 01:26:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1658193984; bh=rV2b9OgEtHbGnZVIuN0NlxP74jauj/eZVINv1IvF/24=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=JPoEEy39bnGv532h6w1knmPNe3NfcPQacVvtQ6xwCHfWV6KBpm+X6Hc7nQPPnE1PR 7bU1egqy2utfc8wa8YwWe4FyL11S4efF1sYsT6lSz+qdKLvqelLhKbehlBtdFvZmio ESuQQqJtyhB5RGKw6UkYORbX60BgBZnW+1JYFVRkMgbQDOG7kPUIRJCwL2nFjvnCb/ UJcGtK+MYmVQ9qxvEsSRl63x+DrxSXxwJlnhpOZj3iBz3lOwbau6sw0LoRnkhGWQjU AbOuPbKZvNyI09Dv91BG91sBS03wrG9P4BUTqR0RvFamVFGrUTXuncSkkb6m/GKfxL QvZZsI2tjBRPg== Received: from te-lab16-v2 (nanobot.internal.synopsys.com [10.204.48.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mailhost.synopsys.com (Postfix) with ESMTPSA id EC046A0068; Tue, 19 Jul 2022 01:26:22 +0000 (UTC) Received: by te-lab16-v2 (sSMTP sendmail emulation); Mon, 18 Jul 2022 18:26:22 -0700 Date: Mon, 18 Jul 2022 18:26:22 -0700 Message-Id: <79dbca4db65f676df37462b7a008198c81a3297e.1658192351.git.Thinh.Nguyen@synopsys.com> In-Reply-To: References: X-SNPS-Relay: synopsys.com From: Thinh Nguyen Subject: [PATCH v2 03/25] usb: gadget: f_tcm: Increase stream count To: Felipe Balbi , Greg Kroah-Hartman , Thinh Nguyen , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org X-Proofpoint-ORIG-GUID: _6NFdC33YKtdkKoJ-b64cooS6uPQgnTM X-Proofpoint-GUID: _6NFdC33YKtdkKoJ-b64cooS6uPQgnTM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-18_22,2022-07-18_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_active_cloned_notspam policy=outbound_active_cloned score=0 malwarescore=0 priorityscore=1501 mlxscore=0 impostorscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=723 phishscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207190004 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Some old builds of Microsoft Windows 10 UASP class driver reject USAP device with stream count of 2^4. To keep compatibility with both Linux and Windows, let's increase the stream count to 2^5. Also, internal tests show that stream count of 2^5 increases performance slightly. Signed-off-by: Thinh Nguyen --- Changes in v2: - None drivers/usb/gadget/function/tcm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/tcm.h b/drivers/usb/gadget/function/tcm.h index 3cd565794ad7..6cb05dcd19ff 100644 --- a/drivers/usb/gadget/function/tcm.h +++ b/drivers/usb/gadget/function/tcm.h @@ -13,7 +13,7 @@ #define USBG_NAMELEN 32 #define fuas_to_gadget(f) (f->function.config->cdev->gadget) -#define UASP_SS_EP_COMP_LOG_STREAMS 4 +#define UASP_SS_EP_COMP_LOG_STREAMS 5 #define UASP_SS_EP_COMP_NUM_STREAMS (1 << UASP_SS_EP_COMP_LOG_STREAMS) enum {