From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 051F0C43381 for ; Sun, 17 Feb 2019 09:09:58 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C06A421900 for ; Sun, 17 Feb 2019 09:09:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nBppFEDJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C06A421900 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HavL4ET795/94ckXgEtqeY1LdL5G1ZxULWLMIYNvGQk=; b=nBppFEDJfZFwmq N42DXDG8n6HNv0nMPVEiEASiBNHj6zKP49imCB5KKa56EmQVW3iOajTJgt02drKp1xgL8gU43MPJb wfNc6ACAjNnuva0YlheN5DTvVnRanXlrkWzx2wsGNM1F58XqROJYAXlmOjOqON68rXjcJx0IOsPxo TcAf4T+C3NU15CGnVVH8vi1SetnvX4y0IVNPc3g62+jH9IFyG1VmfWA0AhuI8UICSDqDrRDdJJX/O r2pnWE1G3VI30NaZrZ11GmB+3bH4yz02NFPwUqV4TH3u5Nym2iwMjx+5hYtWIb1mgDN3XkT3vz3mk w7jktkyrEirOgux7RO1g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvISM-0006jO-Ng; Sun, 17 Feb 2019 09:09:50 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvIS1-0006R2-JS; Sun, 17 Feb 2019 09:09:46 +0000 X-UUID: 036e6f3f39d442fdb7b5d69a01c4b023-20190217 X-UUID: 036e6f3f39d442fdb7b5d69a01c4b023-20190217 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1573004926; Sun, 17 Feb 2019 01:09:25 -0800 Received: from mtkmbs03n1.mediatek.inc (172.21.101.181) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 17 Feb 2019 01:09:23 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 17 Feb 2019 17:09:22 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sun, 17 Feb 2019 17:09:21 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Rob Herring Subject: [PATCH v6 19/22] iommu/mediatek: Add shutdown callback Date: Sun, 17 Feb 2019 17:04:57 +0800 Message-ID: <1550394300-17420-20-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> References: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190217_010929_876311_8B6B8981 X-CRM114-Status: GOOD ( 10.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, yingjoe.chen@mediatek.com, anan.sun@mediatek.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch only improve the shutdown flow. The shutdown callback will mute the M4U HW when the system shutdown. Signed-off-by: Yong Wu Reviewed-by: Evan Green --- drivers/iommu/mtk_iommu.c | 6 ++++++ drivers/iommu/mtk_iommu_v1.c | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index b02854c..8742841 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -702,6 +702,11 @@ static int mtk_iommu_remove(struct platform_device *pdev) return 0; } +static void mtk_iommu_shutdown(struct platform_device *pdev) +{ + mtk_iommu_remove(pdev); +} + static int __maybe_unused mtk_iommu_suspend(struct device *dev) { struct mtk_iommu_data *data = dev_get_drvdata(dev); @@ -783,6 +788,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) static struct platform_driver mtk_iommu_driver = { .probe = mtk_iommu_probe, .remove = mtk_iommu_remove, + .shutdown = mtk_iommu_shutdown, .driver = { .name = "mtk-iommu", .of_match_table = of_match_ptr(mtk_iommu_of_ids), diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c index 4f15043..dd84eea 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c @@ -660,6 +660,11 @@ static int mtk_iommu_remove(struct platform_device *pdev) return 0; } +static void mtk_iommu_shutdown(struct platform_device *pdev) +{ + mtk_iommu_remove(pdev); +} + static int __maybe_unused mtk_iommu_suspend(struct device *dev) { struct mtk_iommu_data *data = dev_get_drvdata(dev); @@ -697,6 +702,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) static struct platform_driver mtk_iommu_driver = { .probe = mtk_iommu_probe, .remove = mtk_iommu_remove, + .shutdown = mtk_iommu_shutdown, .driver = { .name = "mtk-iommu-v1", .of_match_table = mtk_iommu_of_ids, -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel