Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp6128267rwd; Mon, 19 Jun 2023 02:47:14 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6aP6fMmIlqaaFj+TVfmqZHPDXAUyWe0agIHV8/0/VZktiuFxDjusxRq6+rUFTbmvWn8Zb0 X-Received: by 2002:a05:6a21:339a:b0:122:450b:48aa with SMTP id yy26-20020a056a21339a00b00122450b48aamr154818pzb.21.1687168034583; Mon, 19 Jun 2023 02:47:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1687168034; cv=none; d=google.com; s=arc-20160816; b=wKZEuvGLoECOCifb41c7s8IA38cRM4WLNl076srOHJ1Sa3swu+03rgkpdf5tzg2xS0 jACmSoA2pZCm0bRH7KYsbUxnnSLRc/S/YoUpW5XM3TBnYoWG0SPfIXJAgGJsteDA7IVg j/RrcGYXgv2rhtauK9FdTLQEdP2nb7aivxaAV7UsWBj/NLEf1Fx6fiqXWjvjIlnIkyBo uuzwuLnE1oWd02U14RgrpqLPwboJiON6vbCJ8pcFRD3/xYuacu0ajwH2Lk00J2+8C993 yDEYqwec6y64bxRh4BxGVtWk6vBSWfSgmGC1Rseq/GbHie1UwhrCTgNPvr+tJkAs4G7A hU0A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Nx4EgMMSuGg1Ow1EmNCa5aaGYakC9YPmIXiPWBfZSRw=; b=jG7W1a4rdKM3S2t+AGw4abc+nQ8PjKTqPYB4z6at/k8XtRrY96sbdJwO0Pk0sccVNq +a8iQYjE28lkx7sgGStb2jyCdcvLghtFE5aKbf2HgJc6/WBBZRw9MaQhL8PP0nfXE/2E FRJ4dgOXfKTtCpoFn+OhntXddi81zd7qbKlWMGlIL6JfAuDOmNyOwpavIrX9SsiSXoCY HcOEdmAaCqulL4FhorEtEzHpWyUeX9cw13l3h4gOcYZYEmAiPOwMF9a/9EQ6s8KLRVq6 pdc8L4Yjd972gEJV2K0KmGGR4kUQKk9cujKbymjea8KqmcQeiefGNNXJVb2krQCpl6kh wr8w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=ufCwLQ2r; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h9-20020a170902f54900b001b3e1afe77fsi6628179plf.103.2023.06.19.02.47.02; Mon, 19 Jun 2023 02:47:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=ufCwLQ2r; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231377AbjFSJi7 (ORCPT + 99 others); Mon, 19 Jun 2023 05:38:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229513AbjFSJiz (ORCPT ); Mon, 19 Jun 2023 05:38:55 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 518E483; Mon, 19 Jun 2023 02:38:54 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E128960B28; Mon, 19 Jun 2023 09:38:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F28BAC433C8; Mon, 19 Jun 2023 09:38:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687167533; bh=quqElhncVEyv+e0eDCY/ZThqI2GSHt6Rq4mnLald54c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ufCwLQ2rxo9NaB33F/CMZ+kUf3aVE4cwXnB+BEjaNSBm/IqaWsG0jRWtGcbBzssqY mQ9yUJ45jmactYe2/CZWUvApSoddi1WsQTt5MosfJ6EwoPs8gv/kVdSoYbQq7dfCDe 7t4bWjsR82arIjIGT90G70hgy6zMwPBcxfcruoxvWBoAz7kaIO8UZ643lwEnL6r1AV Y2Tb794pKNTjt6vm/0DlGPFZGALd/Y9Gs77PrifgftjlRbILzaThLnKIozXaj+7R8G pR/w+BgOVuq2I+AN+No3UI12ny9Dc3f+o6Pbik2rl701PrUdEOKbhS77QB0hMrGPco BBAAkAIRO8ibQ== From: Lorenzo Pieralisi To: l.stach@pengutronix.de, bhelgaas@google.com, Lorenzo Pieralisi , Richard Zhu Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: Re: [PATCH v2] PCI: imx6: Save and restore MSI control of RC in suspend and resume Date: Mon, 19 Jun 2023 11:38:41 +0200 Message-Id: <168716742193.19064.16064178044930090085.b4-ty@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <1670479534-22154-1-git-send-email-hongxing.zhu@nxp.com> References: <1670479534-22154-1-git-send-email-hongxing.zhu@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 08 Dec 2022 14:05:34 +0800, Richard Zhu wrote: > The MSI Enable bit controls delivery of MSI interrupts from components > below the Root Port. This bit might lost during the suspend, should be > re-stored during resume. > > Save the MSI control during suspend, and restore it in resume. > > > [...] Applied to controller/dwc (commit log rewritten - please check), thanks! [1/1] PCI: imx6: Save and restore MSI control of RC in suspend and resume https://git.kernel.org/pci/pci/c/3bbc3c72c4b8 Thanks, Lorenzo