From patchwork Thu May 6 06:31:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12241683 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=-16.8 required=3.0 tests=BAYES_00, 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 0B647C433ED for ; Thu, 6 May 2021 06:31:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C39BA613E9 for ; Thu, 6 May 2021 06:31:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232139AbhEFGcU (ORCPT ); Thu, 6 May 2021 02:32:20 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:46580 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229622AbhEFGcT (ORCPT ); Thu, 6 May 2021 02:32:19 -0400 X-UUID: 0822898dcc654ef2968c1a1964e460d4-20210506 X-UUID: 0822898dcc654ef2968c1a1964e460d4-20210506 Received: from mtkmrs01.mediatek.inc [(172.21.131.159)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 844788870; Thu, 06 May 2021 14:31:19 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 6 May 2021 14:31:17 +0800 Received: from mtkslt301.mediatek.inc (10.21.14.114) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 6 May 2021 14:31:17 +0800 From: Chunfeng Yun To: Mathias Nyman CC: Chunfeng Yun , Greg Kroah-Hartman , Matthias Brugger , , , , , Ikjoon Jang , Eddie Hung Subject: [PATCH v2 1/3] usb: xhci-mtk: use bitfield instead of bool Date: Thu, 6 May 2021 14:31:14 +0800 Message-ID: <20210506063116.41757-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Use bitfield instead of bool in struct Refer to coding-style.rst 17) Using bool: "If a structure has many true/false values, consider consolidating them into a bitfield with 1 bit members, or using an appropriate fixed width type, such as u8." Due to @has_ippc's default vaule is 0, no need set it again if fail to get ippc base address Signed-off-by: Chunfeng Yun --- v2: add more changelog suggested by Greg --- drivers/usb/host/xhci-mtk.c | 2 -- drivers/usb/host/xhci-mtk.h | 8 ++++---- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index b2058b3bc834..2548976bcf05 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -495,8 +495,6 @@ static int xhci_mtk_probe(struct platform_device *pdev) goto put_usb2_hcd; } mtk->has_ippc = true; - } else { - mtk->has_ippc = false; } device_init_wakeup(dev, true); diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index cd3a37bb73e6..94a59b3d178f 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -138,17 +138,17 @@ struct xhci_hcd_mtk { struct mu3h_sch_bw_info *sch_array; struct list_head bw_ep_chk_list; struct mu3c_ippc_regs __iomem *ippc_regs; - bool has_ippc; int num_u2_ports; int num_u3_ports; int u3p_dis_msk; struct regulator *vusb33; struct regulator *vbus; struct clk_bulk_data clks[BULK_CLKS_NUM]; - bool lpm_support; - bool u2_lpm_disable; + unsigned int has_ippc:1; + unsigned int lpm_support:1; + unsigned int u2_lpm_disable:1; /* usb remote wakeup */ - bool uwk_en; + unsigned int uwk_en:1; struct regmap *uwk; u32 uwk_reg_base; u32 uwk_vers;