From patchwork Thu Aug 12 03:33:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12432407 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,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 49474C4338F for ; Thu, 12 Aug 2021 03:46:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F05DD60FC4 for ; Thu, 12 Aug 2021 03:46:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org F05DD60FC4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dHh84uPp6+xmA9HLccIGA62npumd/2xmLdTEi2aqHxw=; b=O8Uftx2+mQ8NcC Y0rtSbO86HJv/v5vK8BtIZTYBKocOOVZn5gBL6CgT883YKvCfuzLrYcSTVqBoTVPm7F2Ra+a3tmQT ksDcjYWt/+EFqIRLP1OFwTWoJsWh3Da/4XXU5cWJFvhZQaqLGJ6bWnBpep7eWKEuxkF3gPcr/PyyF HbprN/LwwpXlFl40jr9n72H9vxd2XbM1ycEOau0tsRpBm5Ix8lDjzgKByU3oycvzOhvEgKkdj2EdL Jk2efJsmP5v/E1VPCcFjNHP+YBY8gwt0t2+nrjjcuu3MEFapfv+ebz0W4w/o8adNH8d4+Mc7FxRIV UuXRkCMcaSwbdPj+7r0A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mE1dR-008Tpe-0t; Thu, 12 Aug 2021 03:44:01 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mE1dJ-008TnR-0I; Thu, 12 Aug 2021 03:43:56 +0000 X-UUID: b9898d71853f4c32bef90041f84848d9-20210811 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=u4JlkkZovLUeYV0mEBUvK8i1RB64C5rPrybflUDsDHY=; b=B3rwZLqZZdYWtVXQQGdU/knA0/+HS65YW5o8Vke1kerZ7CZEJrci53qGKgEYPLdwNX5drmc6BvCKB8OKVPN16tmCYETlNyIzIG50UW9wnIGmC6CXPYb3R1snsAMiJxXB91gNJQvpsebWfxqJhbkG+7CHO3PMwvmIRKu7kLIWnw8=; X-UUID: b9898d71853f4c32bef90041f84848d9-20210811 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 353583082; Wed, 11 Aug 2021 20:43:51 -0700 Received: from MTKMBS06N1.mediatek.inc (172.21.101.129) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 11 Aug 2021 20:33:49 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 12 Aug 2021 11:33:48 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 12 Aug 2021 11:33:47 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi CC: Pawel Laszczak , Al Cooper , Thierry Reding , Jonathan Hunter , Chunfeng Yun , "Matthias Brugger" , Christophe JAILLET , Yang Yingliang , Rikard Falkeborn , , , , , , , Eddie Hung Subject: [PATCH 6/6] usb: gadget: remove unnecessary AND operation when get ep maxp Date: Thu, 12 Aug 2021 11:33:02 +0800 Message-ID: <1628739182-30089-6-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1628739182-30089-1-git-send-email-chunfeng.yun@mediatek.com> References: <1628739182-30089-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210811_204353_089876_6D750A69 X-CRM114-Status: GOOD ( 11.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org usb_endpoint_maxp() already returns actual max packet size, no need AND 0x7ff. Signed-off-by: Chunfeng Yun Acked-by: Felipe Balbi --- include/linux/usb/gadget.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 75c7538e350a..f181c84310b6 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -491,7 +491,7 @@ extern char *usb_get_gadget_udc_name(void); */ static inline size_t usb_ep_align(struct usb_ep *ep, size_t len) { - int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc) & 0x7ff; + int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc); return round_up(len, max_packet_size); }