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: 13786941 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 35F40CA0ED3 for ; Mon, 2 Sep 2024 09:22:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=xMzH3qhRngUXHdpYWln6cgACFVJGt1ZJWn8uMS7Y4Vo=; b=h66p8YMUrGe8om0pt4d2AsaiEy tLAlRpFfFId3Fr6qWkQRW6fo2zDaSIvkC/0EpcIgi7BtNfkAWD7lFImiAcSWBJmOg9PHm2HFKaQnX BMRjDBCdK6Ii9JrEnT4suxYwMj7zcDlJQ/92/usG+GxYvTWRYJG2vJJOnoisvIAAnEbRwqcvycjf8 ip2SovF7LRXQY/s8GnxQFJB3ZrhQVPcUwRS/GNGxhJ5GtbGF6lUmEahRV/KYjA95EDadct3nqbgWR YIDVqiHloFbPuaw5W5ytBZQmNzRN+lQA06d0XxXwcLhGsIeL+Yqz5kAd0PB+DqF7RIlppoaM8dy4o Ne5BeZcg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sl3GX-0000000DgMg-40iM; Mon, 02 Sep 2024 09:22:29 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sl3FZ-0000000Dg3I-3ntp; Mon, 02 Sep 2024 09:21:31 +0000 X-UUID: bacaf2a8690c11efba0aef63c0775dbf-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:ba4e6531-1529-498e-9f7c-f9a4caa80afe,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:6b358ecf-7921-4900-88a1-3aef019a55ce,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: bacaf2a8690c11efba0aef63c0775dbf-20240902 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1866525393; Mon, 02 Sep 2024 02:21:26 -0700 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 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240902_022129_972033_591B240E X-CRM114-Status: UNSURE ( 7.93 ) X-CRM114-Notice: Please train this message. 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 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(-)