From nobody Fri Sep 19 07:19:26 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42B05C4321E for ; Mon, 28 Nov 2022 06:56:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230021AbiK1G4k (ORCPT ); Mon, 28 Nov 2022 01:56:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230022AbiK1G4G (ORCPT ); Mon, 28 Nov 2022 01:56:06 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED01A15A19 for ; Sun, 27 Nov 2022 22:55:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669618544; x=1701154544; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ff31laKxSfpGr9mFdQQubwFooU0bdzqdYVYXB0kO0dk=; b=nO6mryGu2cs6NBNmObkLlUl31LjuaLmQEESaAsMBsdXyDKmPtwuqnnjA 48FeEiOYnCam1awlxa/Nc3mtSBlNVZY3O5Ju1suiVz7kI//Z7vBh/dkUj LAE2PrRJaEq2rxHBkKuGLCj8dzVQzbGEufi6qnCRMQAc2GYlPO9Xr8aaX nivJ0Iwuvfoq/pZaoT3D7j4AjAejJFaKOOivkdWdH4mMx5HCu5yLzfFha 7Y3QjBm9MZYqXxqV9nCkCXoCu+5upBfnPwLRSrZOTwH6ISbLOnKqArhi9 wUu8VDO+5ZSIeAVwqtMlhCFnyrqDorZy+aNe8VdmLAprSiR14vK17kYgm w==; X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="294462601" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="294462601" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2022 22:55:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="674121224" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="674121224" Received: from allen-box.sh.intel.com ([10.239.159.48]) by orsmga008.jf.intel.com with ESMTP; 27 Nov 2022 22:55:37 -0800 From: Lu Baolu To: Joerg Roedel , Jason Gunthorpe , Christoph Hellwig , Kevin Tian , Will Deacon , Robin Murphy , Jean-Philippe Brucker Cc: Suravee Suthikulpanit , Hector Martin , Sven Peter , Rob Clark , Marek Szyprowski , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Yong Wu , Matthias Brugger , Heiko Stuebner , Matthew Rosato , Orson Zhai , Baolin Wang , Chunyan Zhang , Chen-Yu Tsai , Thierry Reding , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v3 14/20] iommu/omap: Add set_platform_dma callback Date: Mon, 28 Nov 2022 14:46:42 +0800 Message-Id: <20221128064648.1934720-15-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221128064648.1934720-1-baolu.lu@linux.intel.com> References: <20221128064648.1934720-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This IOMMU driver doesn't support default domain. Add the implementation of set_platform_dma callback so that the IOMMU core could return the DMA control. Signed-off-by: Lu Baolu --- drivers/iommu/omap-iommu.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 2fd7702c6709..aa3858a48bbf 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -1566,6 +1566,14 @@ static void omap_iommu_detach_dev(struct iommu_domai= n *domain, spin_unlock(&omap_domain->lock); } =20 +static void omap_iommu_set_platform_dma(struct device *dev) +{ + struct iommu_domain *domain =3D iommu_get_domain_for_dev(dev); + + if (domain) + omap_iommu_detach_dev(domain, dev); +} + static struct iommu_domain *omap_iommu_domain_alloc(unsigned type) { struct omap_iommu_domain *omap_domain; @@ -1737,6 +1745,7 @@ static const struct iommu_ops omap_iommu_ops =3D { .probe_device =3D omap_iommu_probe_device, .release_device =3D omap_iommu_release_device, .device_group =3D omap_iommu_device_group, + .set_platform_dma =3D omap_iommu_set_platform_dma, .pgsize_bitmap =3D OMAP_IOMMU_PGSIZES, .default_domain_ops =3D &(const struct iommu_domain_ops) { .attach_dev =3D omap_iommu_attach_dev, --=20 2.34.1