From patchwork Mon Sep 2 09:32:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yenchia Chen X-Patchwork-Id: 13786965 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 EAD2917BEB2; Mon, 2 Sep 2024 09:32:56 +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=1725269579; cv=none; b=ufEEQvYD5vTLgforBDkd3OZu1HfKaQ+4jXJylLNIKP0Bg4KTVSXnd25RQ6yvv5rZXjgGx2KDwd0fUnSPmxeeF6NFF1T5n2kehyJhd9M3sDlyF5px/KkKZdWZL4nUl7N4emvHNv+NdYWXLopQQJG1g3hIu2B6F2QGCEVsMxkzhHE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725269579; c=relaxed/simple; bh=QjJKqE2geFBgrfARoVt9yA1FFwK5u8v3ANqDqDMOv/A=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=UCvf0/pxGZQYYwUfRwGAEGm9gOzcn6tPG6m4SjQ8w+N2LbXaDCJ7OnUuZqf49VDGB6P/TDqKQcaYvDT/BM1IRTuu9j/xDvCqzcG6uMzGSbcf/OcdHeRQBW/zqPk1FEBr9LzW3R11D4CmsM8sfECRIyJrvbiKff9NUnRhKCzpoF4= 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=I7CG6e0k; 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="I7CG6e0k" X-UUID: 527c538e690e11ef8593d301e5c8a9c0-20240902 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=i0kqKgN7CJvd0BeYNnJy0G3k1/9Gmrex+aORwHnQoQU=; b=I7CG6e0ktwICWEVW+qJ8oSKi0d8Ucb46CVf87q04ItLyQHe8E/1LPha3ONypyF0otKdMRxluUdM5ouNrMPy1GlFzOfKKIJoeWfX+KoFAUuEMV3EV/o88xewld8yYfzzjpyTLaKt0I30S81saHLIWBzP1e3ILylSNeRe9cyCXyd4=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:7402f471-3f2b-4328-ab56-48d0036f8043,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:76c94fbf-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: 527c538e690e11ef8593d301e5c8a9c0-20240902 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 243078402; Mon, 02 Sep 2024 17:32:50 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS14N1.mediatek.inc (172.21.101.75) 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 17:32:51 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 2 Sep 2024 17:32:51 +0800 From: Yenchia Chen To: CC: Yenchia Chen , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Greg Kroah-Hartman , Matthias Brugger , AngeloGioacchino Del Regno , , , , Subject: [PATCH 6.6 0/1] pm, restore async device resume optimization Date: Mon, 2 Sep 2024 17:32:47 +0800 Message-ID: <20240902093249.17275-1-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 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--0.721600-8.000000 X-TMASE-MatchedRID: NKO9ekWIDjZNfAuy6MOHARWCVBr+Ay98UAjrAJWsTe+CsBeCv8CM/WoY 8jnT5UNAdvMDsdlFTfx1VOt17I0Spc3AmdtMjGJVngIgpj8eDcAZ1CdBJOsoY9mzcdRxL+xwKra uXd3MZDWuikCL8VXXTHd9H3D4g3TAjOdC04VQHm0AQifLWGK23xTY0YxG1fFWyfZaWEB2dsF0BN B20+SxH7f8mJY57oZddJaBDYald1lvF9+X2GEIHA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--0.721600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 01B788881749FE3475082A6EE46C935325F93AB08D3EA507A3A6E8672CEA022C2000:8 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 6.6.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(-)