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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 436D3C3A5A2 for ; Sat, 24 Aug 2019 03:10:24 +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 1574F2133F for ; Sat, 24 Aug 2019 03:10:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="eHZHjh54" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1574F2133F Authentication-Results: mail.kernel.org; dmarc=fail (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=ElO9yNI1+iJHzr0ZJC/EBSqqHv8ofvl2M/snUcchTJU=; b=eHZHjh54rl2cQn MSe7xd5wOh4lA5jmd9E/2Ewf/qpVh+/p3wVWo9hTRprkZ4WDRviPBOgbsd+bhV7xV7Xe9HR2G6oHN crlQCmVqtZwKeA+elc0XG0ct0SLuKKlBAyITh8CCGvJK1t8r5/5Jb8RO0bO0YZAwr8dzbi8pCN5HO yANXybFGpEqgVwKp38pq/aR8PTo+uiOEbuxW9lkBk28aS1sGtq54/kUR7ibrGwDLFww+F6b0x2v1Y pnKPPZXgkc7S002iQrvNa+YMCrBeZAgR+k2GL9wnIxs9gguk3rq3Bw7SdQkUjB35yQxksMJEKQ4SM U9pFHu6hWWisakkEuDPg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i1MRW-00022k-GT; Sat, 24 Aug 2019 03:10:18 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i1MPK-0005OW-Pc; Sat, 24 Aug 2019 03:08:04 +0000 X-UUID: c5df07d8f93f443f8e02c71f552f6243-20190823 X-UUID: c5df07d8f93f443f8e02c71f552f6243-20190823 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 40902785; Fri, 23 Aug 2019 19:06:46 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 23 Aug 2019 20:06:45 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 24 Aug 2019 11:06:43 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 24 Aug 2019 11:06:42 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon Subject: [PATCH v11 21/23] iommu/mediatek: Fix VLD_PA_RNG register backup when suspend Date: Sat, 24 Aug 2019 11:02:06 +0800 Message-ID: <1566615728-26388-22-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu@mediatek.com> References: <1566615728-26388-1-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-20190823_200803_046024_0AAE4843 X-CRM114-Status: GOOD ( 10.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 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 , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Matthias Kaehlcke , 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 The register VLD_PA_RNG(0x118) was forgot to backup while adding 4GB mode support for mt2712. this patch add it. Fixes: 30e2fccf9512 ("iommu/mediatek: Enlarge the validate PA range for 4GB mode") Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Matthias Brugger --- drivers/iommu/mtk_iommu.c | 2 ++ drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 470de8b..5d5341c 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -742,6 +742,7 @@ static int __maybe_unused mtk_iommu_suspend(struct device *dev) reg->int_control0 = readl_relaxed(base + REG_MMU_INT_CONTROL0); reg->int_main_control = readl_relaxed(base + REG_MMU_INT_MAIN_CONTROL); reg->ivrp_paddr = readl_relaxed(base + REG_MMU_IVRP_PADDR); + reg->vld_pa_rng = readl_relaxed(base + REG_MMU_VLD_PA_RNG); clk_disable_unprepare(data->bclk); return 0; } @@ -766,6 +767,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) writel_relaxed(reg->int_control0, base + REG_MMU_INT_CONTROL0); writel_relaxed(reg->int_main_control, base + REG_MMU_INT_MAIN_CONTROL); writel_relaxed(reg->ivrp_paddr, base + REG_MMU_IVRP_PADDR); + writel_relaxed(reg->vld_pa_rng, base + REG_MMU_VLD_PA_RNG); if (m4u_dom) writel(m4u_dom->cfg.arm_v7s_cfg.ttbr[0] & MMU_PT_ADDR_MASK, base + REG_MMU_PT_BASE_ADDR); diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 6b1f833..56b579c 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -24,6 +24,7 @@ struct mtk_iommu_suspend_reg { u32 int_control0; u32 int_main_control; u32 ivrp_paddr; + u32 vld_pa_rng; }; enum mtk_iommu_plat { -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel