From patchwork Tue Jun 8 07:57:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12305705 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=-16.9 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 51104C47082 for ; Tue, 8 Jun 2021 08:15:49 +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 2423161287 for ; Tue, 8 Jun 2021 08:15:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2423161287 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@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=6l9gaLW7qCagNZNBu9MuMK62t9YXMShaUNZzHAO5AyM=; b=kPsG5u2FKM71or Q92PQFCSNajjaNp2T4q+xqhdT54s6xNPigFutTEOudLBGa5/CIVX1hJywY48CO+3D93PKOMBtk8qx 1JSoU8t+yu8Rixu15zcm8tm/bIQ3bFVuF383lSu8LnesXQbxjrqjiumks0JRiKMaHqPrguePkDUEv nD4g4PPbshLRH6qVhy5SR9fYNjYDKP7iePB/Z1cWUrNGnQwacWsBGZtxxzUsOJHsomEAw3XZJz3Ex 1zu1LgJUgMCUFHC2qZIXL1HIaL+yIWCt3XagdGdNSLsroQrcBtYFWL3Kud7sgbifszkqpU/tYe7V2 Ju4BabDDmCXAUw4Vjl5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqWrd-0070wv-GX; Tue, 08 Jun 2021 08:13:34 +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 1lqWmR-006xiH-Oh; Tue, 08 Jun 2021 08:08:13 +0000 X-UUID: 73f4c579ec074bcd80b42c696db10923-20210608 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=MooS145CCd1thmQP763GmtpglQX7NybcxNoZ87d4ROI=; b=oWuBW0j2wQNId8TKppQ93sJP5gaG7EogtP6BVzLgiKN7X+4hkH7RuGR8x/gSv5/dBZhSzYkDpt4jd5uAEVOx/BiG9HFiAzVWn5MzIMTODZBIJhW018vlwyQA3I0KG8ISChNW+q17A3AEEFRAp3guTfVfesLgOaYtVvbbDPQRmdY=; X-UUID: 73f4c579ec074bcd80b42c696db10923-20210608 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 480892743; Tue, 08 Jun 2021 01:08:04 -0700 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 8 Jun 2021 00:58:03 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 8 Jun 2021 15:58:01 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 8 Jun 2021 15:58:00 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Rob Herring , Felipe Balbi CC: Chunfeng Yun , Matthias Brugger , Thinh Nguyen , , , , , , Yuwen Ng , Eddie Hung Subject: [PATCH 05/23] usb: mtu3: power down device IP by default Date: Tue, 8 Jun 2021 15:57:31 +0800 Message-ID: <1623139069-8173-6-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1623139069-8173-1-git-send-email-chunfeng.yun@mediatek.com> References: <1623139069-8173-1-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-20210608_010811_873772_C594EC34 X-CRM114-Status: GOOD ( 10.28 ) 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 Power down device IP by default until @udc_start is called. Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_core.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index 6b5da98de648..e306b93c007d 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -921,16 +921,15 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) device_init_wakeup(dev, true); + /* power down device IP for power saving by default */ + mtu3_stop(mtu); + ret = mtu3_gadget_setup(mtu); if (ret) { dev_err(dev, "mtu3 gadget init failed:%d\n", ret); goto gadget_err; } - /* init as host mode, power down device IP for power saving */ - if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) - mtu3_stop(mtu); - ssusb_dev_debugfs_init(ssusb); dev_dbg(dev, " %s() done...\n", __func__);