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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable 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 00841C28D16 for ; Mon, 10 Jun 2019 12:26:40 +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 CA5FC20820 for ; Mon, 10 Jun 2019 12:26:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WUoq4OPr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA5FC20820 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=fyLvm6h2BB50sH3UC1y7KcNlhDP0QR8SAjAGpAl70AE=; b=WUoq4OPrIaKVvc pPagt/ld49gkp3Z5NaMD+cDgQ/IOiELDWSbn+qpB42Qr9b2AEkMQTnHTdKgIvHFrV8DLU83PkX12r +1dw/2xnakSDQNrZJ4+M+dvzOEmHdtB+KW0lXv2kgCB77HdFsowceoo+QwG+UgGqiokerTvFaW/Oh R3QJhZ/KXwkZaaZlUsLUGKQJqeAIdNuB3h2D0h3isabzUML0eS2001wGh69PE7n8NZOoga7e9dHBO stXyqT4OhA1ek6KF4cMpjFjlspkBBUjFY5Q3xlgEUmaZf0vrVx+Bg16+anpXcgO86i0zT008kvpQk AFKlJtzYURDhO/20nbRQ==; 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 1haJNi-00062T-5C; Mon, 10 Jun 2019 12:26:34 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1haJJP-0000sr-Kt; Mon, 10 Jun 2019 12:22:09 +0000 X-UUID: 1b1a91075591487994e037b117d0a2d6-20190610 X-UUID: 1b1a91075591487994e037b117d0a2d6-20190610 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 963509646; Mon, 10 Jun 2019 04:22:06 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 10 Jun 2019 05:22:04 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 10 Jun 2019 20:22:04 +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; Mon, 10 Jun 2019 20:22:02 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Rob Herring Subject: [PATCH v7 19/21] iommu/mediatek: Rename enable_4GB to dram_is_4gb Date: Mon, 10 Jun 2019 20:17:58 +0800 Message-ID: <1560169080-27134-20-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1560169080-27134-1-git-send-email-yong.wu@mediatek.com> References: <1560169080-27134-1-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-20190610_052207_768758_574F4CC1 X-CRM114-Status: GOOD ( 12.25 ) 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 , 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 rename the variable name from enable_4GB to dram_is_4gb for readable. Signed-off-by: Yong Wu Reviewed-by: Evan Green --- drivers/iommu/mtk_iommu.c | 10 +++++----- drivers/iommu/mtk_iommu.h | 2 +- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 86158d8..67cab2d 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -382,7 +382,7 @@ static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova, int ret; /* The "4GB mode" M4U physically can not use the lower remap of Dram. */ - if (data->plat_data->has_4gb_mode && data->enable_4GB) + if (data->plat_data->has_4gb_mode && data->dram_is_4gb) paddr |= BIT_ULL(32); spin_lock_irqsave(&dom->pgtlock, flags); @@ -554,13 +554,13 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL); if (data->plat_data->m4u_plat == M4U_MT8173) - regval = (data->protect_base >> 1) | (data->enable_4GB << 31); + regval = (data->protect_base >> 1) | (data->dram_is_4gb << 31); else regval = lower_32_bits(data->protect_base) | upper_32_bits(data->protect_base); writel_relaxed(regval, data->base + REG_MMU_IVRP_PADDR); - if (data->enable_4GB && data->plat_data->has_vld_pa_rng) { + if (data->dram_is_4gb && data->plat_data->has_vld_pa_rng) { /* * If 4GB mode is enabled, the validate PA range is from * 0x1_0000_0000 to 0x1_ffff_ffff. here record bit[32:30]. @@ -611,8 +611,8 @@ static int mtk_iommu_probe(struct platform_device *pdev) return -ENOMEM; data->protect_base = ALIGN(virt_to_phys(protect), MTK_PROTECT_PA_ALIGN); - /* Whether the current dram is over 4GB */ - data->enable_4GB = !!(max_pfn > (BIT_ULL(32) >> PAGE_SHIFT)); + /* Whether the current dram is 4GB. */ + data->dram_is_4gb = !!(max_pfn > (BIT_ULL(32) >> PAGE_SHIFT)); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); data->base = devm_ioremap_resource(dev, res); diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 753266b..e8114b2 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -65,7 +65,7 @@ struct mtk_iommu_data { struct mtk_iommu_domain *m4u_dom; struct iommu_group *m4u_group; struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */ - bool enable_4GB; + bool dram_is_4gb; bool tlb_flush_active; struct iommu_device iommu; -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel