From patchwork Wed Nov 28 06:10:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 10701999 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9BE30181D for ; Wed, 28 Nov 2018 06:10:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B3DD2C979 for ; Wed, 28 Nov 2018 06:10:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7EDCA2C9BD; Wed, 28 Nov 2018 06:10:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SUBJ_OBFU_PUNCT_FEW autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D9A212C979 for ; 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Wed, 28 Nov 2018 06:10:30 +0000 Received: from TY2PR01MB2297.jpnprd01.prod.outlook.com ([fe80::98d3:2fbf:ca47:f033]) by TY2PR01MB2297.jpnprd01.prod.outlook.com ([fe80::98d3:2fbf:ca47:f033%3]) with mapi id 15.20.1339.032; Wed, 28 Nov 2018 06:10:30 +0000 From: Yoshihiro Shimoda To: "joro@8bytes.org" CC: "magnus.damm@gmail.com" , "geert+renesas@glider.be" , "horms+renesas@verge.net.au" , "iommu@lists.linux-foundation.org" , "linux-renesas-soc@vger.kernel.org" , Yoshihiro Shimoda Subject: [PATCH 0/2] iommu/ipmmu-vmsa: Modify ipmmu_slave_whitelist() Thread-Topic: [PATCH 0/2] iommu/ipmmu-vmsa: Modify ipmmu_slave_whitelist() Thread-Index: AQHUhuEQkjo52hlUHUyqKGRUUaLczA== Date: Wed, 28 Nov 2018 06:10:30 +0000 Message-ID: <1543385279-1584-1-git-send-email-yoshihiro.shimoda.uh@renesas.com> Accept-Language: ja-JP, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 1.9.1 x-clientproxiedby: TY2PR04CA0006.apcprd04.prod.outlook.com (2603:1096:404:f6::18) To TY2PR01MB2297.jpnprd01.prod.outlook.com (2603:1096:404:10::14) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yoshihiro.shimoda.uh@renesas.com; 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So, not to change behavior of R-Car Gen2, this patch set adds two conditions. After applied this patch set, we can add slave devices easily like below: Yoshihiro Shimoda (2): iommu/ipmmu-vmsa: Modify ipmmu_slave_whitelist() to check SoC revisions iommu/ipmmu-vmsa: add an array of slave devices whitelist drivers/iommu/ipmmu-vmsa.c | 45 +++++++++++++++++++++++++++++++++++++-------- 1 file changed, 37 insertions(+), 8 deletions(-) --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -774,6 +774,8 @@ static int ipmmu_init_platform_device(struct device *dev, }; static const char * const rcar_gen3_slave_whitelist[] = { + "e6700000.dma-controller", + "e7300000.dma-controller" }; static bool ipmmu_slave_whitelist(struct device *dev)