From patchwork Mon Sep 2 09:21:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yenchia Chen X-Patchwork-Id: 13786942 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C59261C2DB3; Mon, 2 Sep 2024 09:21:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725268893; cv=none; b=OVQG2fRWsMthsJSfeumhrO/XbeKxK1IkmzA0CbcOyLU8xLI1B0aNhSNd1QWmTEkayVpZXyOO5fUEqbK1Y5XydPblkHJ7IcXLcQdraAaQlrvgG6GuyHWVzubNSjYFKtL0uB08n68IKQucH6jT+xmwbSaw9UzewUryr9SOIKrL5Dg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725268893; c=relaxed/simple; bh=4oGHD2UiJxI8f66x4TrkRtiznhG3g5NXt0ulddIBRGk=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=h8iTegF6lCPH5YzA6mXIM2N7kjkQj7iebJAfwOo1gyxIOiJUA5cCMSqBsgN8qo5F67LI1rEP81UCCOYeCeZjBX0EI8lCiavx0Okx79Ht36twPGLs19Cpf6WdZPUH7U5WerWlO5lyiyN+lxSlrW0tezgIAUZukDLLKZK0kXiPIYc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=cJKZVsM9; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="cJKZVsM9" X-UUID: b8904d12690c11ef8593d301e5c8a9c0-20240902 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=xMzH3qhRngUXHdpYWln6cgACFVJGt1ZJWn8uMS7Y4Vo=; b=cJKZVsM92DDk0Fj/NaudsLL2S2O/Tu4KDoC2AURBfNiQWLsFOQ2DyhZSKygyt5WriRMWsZxuB/Ln+zu8S6OOMqZDSj6fz4YULL9+fY3c0CAQ8c0mTT5WIT4S9psj5L+UAxVa4YbH+S1x+WJZi68gLUvoHz++6I7EMDnxOe2WUiM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:3bc820f3-073c-41fe-9fef-d2168c3e9f40,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6dc6a47,CLOUDID:199b4fbf-d7af-4351-93aa-42531abf0c7b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: b8904d12690c11ef8593d301e5c8a9c0-20240902 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1972345126; Mon, 02 Sep 2024 17:21:22 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 2 Sep 2024 17:21:23 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 2 Sep 2024 17:21:23 +0800 From: Yenchia Chen To: CC: Yenchia Chen , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Greg Kroah-Hartman , Matthias Brugger , , , , Subject: [PATCH 6.1 0/1] pm, restore async device resume optimization Date: Mon, 2 Sep 2024 17:21:19 +0800 Message-ID: <20240902092121.16369-1-yenchia.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 We have met a deadlock issue on our device which use 5.15.y when resuming. After applying this patch which is picked from mainline, issue solved. Backport to 6.1.y also. Rafael J. Wysocki (1): PM: sleep: Restore asynchronous device resume optimization drivers/base/power/main.c | 117 +++++++++++++++++++++----------------- include/linux/pm.h | 1 + 2 files changed, 65 insertions(+), 53 deletions(-)