From patchwork Mon Sep 2 03:10:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yenchia Chen X-Patchwork-Id: 825534 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 BB66479C0; Mon, 2 Sep 2024 03:11:10 +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=1725246673; cv=none; b=YIi9E82p68XN5QbqzRyennMqqpNmOrqjKTvqu1krFvWudgtaUwRUQmhQNgI9xWu5OUUWpjdAsr3t+15Vb/2ZtKybauK95exvrHkuSq4KTjAgb4oeyRqV9sVCPwE8A6JeFIZTN1C94jF4mWrda56riVvzg6CY3PrvyB1evc7u2Pk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725246673; c=relaxed/simple; bh=hMAhG4HQfZuE2iWAvAPKvQciL3MaBKed+Mk9j5o2opw=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=M8Mw5cz8rM1Myu6v1Neo9l3uKVLaIU9N92ajf7PRsOL2qX/dANPfJXFz8mE8pgDzZi5xxcyPrV7YkC//eJ9q4Tduajhmhj3hB+56D2L7BSJlYEZ43mFg8NauUhalbN9LpaglS2tP9APLKBfd5MnrEIVzOK2M9Ezw8lO//tdsNsU= 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=jDQkMdQc; 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="jDQkMdQc" X-UUID: f9bc208868d811ef8593d301e5c8a9c0-20240902 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=2nK5QbU5dkc5U5TwQYN/wO/nlEp/eum7zig0Mq8CzQA=; b=jDQkMdQcGG2LNgty19i+pWnsKbV1A91GCIS1UN5ZZgAX/rql+fuKVibbSDjkun4wt9xMwISmNe8niwEV2AErE1RzJTheMyQ1y1/0I1sdcLNNig5UbEu9BejYtyEvkbCHJnFJ3Hpllwn0bvqIOqxOLLdD/ZLHDpfGlBrK+mo1OSw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41, REQID:8250548f-e42f-44b3-a2cc-6767e3472b09, IP:0, U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:6dc6a47, CLOUDID:56a849bf-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: f9bc208868d811ef8593d301e5c8a9c0-20240902 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 109499073; Mon, 02 Sep 2024 11:10:58 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) 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 11:10:55 +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 11:10:55 +0800 From: Yenchia Chen To: CC: yenchia.chen , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Greg Kroah-Hartman , Matthias Brugger , , , , Subject: [PATCH 5.15 0/1] pm, restore async device resume optimization Date: Mon, 2 Sep 2024 11:10:44 +0800 Message-ID: <20240902031047.9865-1-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--3.129900-8.000000 X-TMASE-MatchedRID: JLcFkSgMIWN2Rany8ZWn3tOEZs/2oH3cCt59Uh3p/NWCsBeCv8CM/WAd cSpevRjQiHW59WKjt/cKqKe3zUn9YqPoJzzb7KzWhK8o4aoss8pKPIx+MJF9o5soi2XrUn/J8m+ hzBStanvCLNfu05PakAtuKBGekqUpOlxBO2IcOBbEyMTWd4/m6PO/B9+EIe5KemHOHsKuv6TiRL HA99IRmBkGY5qDZgwhHFrKplBIbYwx59TrzsqD5L8cT6DUrvrGOPVhQvN7rWbBkGBTIlURuXoXD z8+lMxFpW+aIDJ4DaRzkxJ+SIkUjmncuUSUEdOX X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--3.129900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 3C10582E582375B77A6D1BA0557EB6A54834D49EE7523CB6CA1E816963D448C32000:8 From: "yenchia.chen" We have met a deadlock issue on our device when resuming. After applying this patch which is picked from mainline, issue solved. We'd like to backport to 5.15.y and could you help to review? thanks. [ Upstream commit 3e999770ac1c7c31a70685dd5b88e89473509e9c ] 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(-)