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Fri, 10 Jul 2020 23:00:19 -0800 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 10 Jul 2020 23:51:47 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 11 Jul 2020 14:51:45 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 11 Jul 2020 14:51:44 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Rob Herring , Robin Murphy Subject: [PATCH 13/21] iommu/mediatek: Make MTK_IOMMU depend on ARM64 Date: Sat, 11 Jul 2020 14:48:38 +0800 Message-ID: <20200711064846.16007-14-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200711064846.16007-1-yong.wu@mediatek.com> References: <20200711064846.16007-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: DC67469FEF3469DEA3B505AC9A9CDD09FA042BA3EF01BF46EF49FD74EEF01B462000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200711_030035_635437_7DB79707 X-CRM114-Status: GOOD ( 11.86 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@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, linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Originally MTK_IOMMU could depend on ARM || ARM64. Both build ok. actually the source code don't support ARM. this patch changes it only depend on ARM64. This is a preparing patch for support multi-domain. otherwise it will build warning in ARM case. This is the build warning log: drivers/iommu/mtk_iommu.c:163:27: note: in expansion of macro 'SZ_4G' {.iova_base = 0, .size = SZ_4G}, include/uapi/linux/const.h:20:19: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define __AC(X,Y) (X##Y) ^ include/uapi/linux/const.h:21:18: note: in expansion of macro '__AC' #define _AC(X,Y) __AC(X,Y) ^ include/linux/sizes.h:46:18: note: in expansion of macro '_AC' #define SZ_4G _AC(0x100000000, ULL) Signed-off-by: Yong Wu --- drivers/iommu/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index b510f67dfa49..6bebfd3e0021 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -467,6 +467,7 @@ config S390_AP_IOMMU config MTK_IOMMU bool "MTK IOMMU Support" depends on HAS_DMA + depends on ARM64 depends on ARCH_MEDIATEK || COMPILE_TEST select ARM_DMA_USE_IOMMU select IOMMU_API