From patchwork Thu Sep 29 06:44:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12993563 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 B38FAC07E9D for ; Thu, 29 Sep 2022 06:45:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234822AbiI2GpO (ORCPT ); Thu, 29 Sep 2022 02:45:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233770AbiI2GpN (ORCPT ); Thu, 29 Sep 2022 02:45:13 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CE6CF685A; Wed, 28 Sep 2022 23:45:07 -0700 (PDT) X-UUID: 63e46b5a5e7a4cab9d0696260ab5ad3a-20220929 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=kiOzCeiwrP7bYeA7Uexju07lk5sFmybh+kBdygu2puM=; b=gFYZIi5gSUr7I3TvqK+rdxFEECKXO9U/kZqmHQgXSFh1U9p+N3reU1v08wPTm5wXz58/ufN5QSVEzwfgbax+tWOIkxs1dHO2cTy/vnknXUF2ArznwLmPi6Mwbp+kxUzTMmho8sJRHZDW0U3oIEtLelszXfOTWr7KFXL4CGcgCLQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:548059a0-99ec-414a-8711-106fbf4a5cbd,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:70 X-CID-INFO: VERSION:1.1.11,REQID:548059a0-99ec-414a-8711-106fbf4a5cbd,IP:0,URL :0,TC:0,Content:-25,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTI ON:quarantine,TS:70 X-CID-META: VersionHash:39a5ff1,CLOUDID:bbec9de4-87f9-4bb0-97b6-34957dc0fbbe,B ulkID:220929144504UZ6G4XJO,BulkQuantity:0,Recheck:0,SF:28|17|19|48|823|824 ,TC:nil,Content:0,EDM:-3,IP:nil,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil, COL:0 X-UUID: 63e46b5a5e7a4cab9d0696260ab5ad3a-20220929 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1720333671; Thu, 29 Sep 2022 14:45:03 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Thu, 29 Sep 2022 14:45:02 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 29 Sep 2022 14:45:01 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman CC: Chunfeng Yun , Matthias Brugger , , , , , Eddie Hung , Tianping Fang , AngeloGioacchino Del Regno Subject: [PATCH v2] usb: mtu3: fix failed runtime suspend in host only mode Date: Thu, 29 Sep 2022 14:44:59 +0800 Message-ID: <20220929064459.32522-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org When the dr_mode is "host", after the host enter runtime suspend, the mtu3 can't do it, because the mtu3's device wakeup function is not enabled, instead it's enabled in gadget init function, to fix the issue, init wakeup early in mtu3's probe() Fixes: 6b587394c65c ("usb: mtu3: support suspend/resume for dual-role mode") Reviewed-by: AngeloGioacchino Del Regno Reported-by: Tianping Fang Signed-off-by: Chunfeng Yun --- v2: add Reviewed-by AngeloGioacchino abandon another patch: "[PATCH 1/2] usb: mtu3: fix ep0's stall of out data stage" --- drivers/usb/mtu3/mtu3_core.c | 2 -- drivers/usb/mtu3/mtu3_plat.c | 2 ++ 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index 0ca173af87bb..a3a6282893d0 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -978,8 +978,6 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) goto irq_err; } - device_init_wakeup(dev, true); - /* power down device IP for power saving by default */ mtu3_stop(mtu); diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index 4cb65346789d..d78ae52b4e26 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -356,6 +356,8 @@ static int mtu3_probe(struct platform_device *pdev) pm_runtime_enable(dev); pm_runtime_get_sync(dev); + device_init_wakeup(dev, true); + ret = ssusb_rscs_init(ssusb); if (ret) goto comm_init_err;