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 86793C433FE for ; Mon, 28 Nov 2022 06:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229959AbiK1G4F (ORCPT ); Mon, 28 Nov 2022 01:56:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229993AbiK1Gzl (ORCPT ); Mon, 28 Nov 2022 01:55:41 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0535115FEC for ; Sun, 27 Nov 2022 22:55:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669618523; x=1701154523; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AAYy0JUpin+OfoNJn9WkR2B9kCOfW+EhBpCdyTnxdnM=; b=Mhk4SaujCMUmPIM1UELGtIb3lLKqrZIAhUKqQh9DtEOQ1ZcI9uecdJGu u3o/v2bM0AuqLIEDCE1ppVfkmq8hCL2ak0q7B41D3x4nFNSz2RO2HEWb5 S0nQupneAth2FewKABEBr9rqF4+VIlmr+h9Jft/z8mt4dAh41zgnBjMd+ cGwJW0lvl+vCEQGNTDvmYfK7l/OD38rXVpVJi/80NGHfEEpbBos16uW3h o3PpegW/aSr1KJWshmxkNdEHzg32fsJDMllUk36lcQAloSwipfxeX934/ 9pZd+5vl9zo+3nyyXDQrymFugDV0innJIKaFxTvRQc29HAaGEyc+pbrr5 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="315916165" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="315916165" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2022 22:55:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="674121024" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="674121024" Received: from allen-box.sh.intel.com ([10.239.159.48]) by orsmga008.jf.intel.com with ESMTP; 27 Nov 2022 22:55:15 -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 11/20] iommu/fsl_pamu: Add set_platform_dma callback Date: Mon, 28 Nov 2022 14:46:39 +0800 Message-Id: <20221128064648.1934720-12-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/fsl_pamu_domain.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domai= n.c index 4408ac3c49b6..b8c716e7c424 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -314,6 +314,14 @@ static void fsl_pamu_detach_device(struct iommu_domain= *domain, pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node); } =20 +static void fsl_pamu_set_platform_dma(struct device *dev) +{ + struct iommu_domain *domain =3D iommu_get_domain_for_dev(dev); + + if (domain) + fsl_pamu_detach_device(domain, dev); +} + /* Set the domain stash attribute */ int fsl_pamu_configure_l1_stash(struct iommu_domain *domain, u32 cpu) { @@ -452,6 +460,7 @@ static const struct iommu_ops fsl_pamu_ops =3D { .domain_alloc =3D fsl_pamu_domain_alloc, .probe_device =3D fsl_pamu_probe_device, .device_group =3D fsl_pamu_device_group, + .set_platform_dma =3D fsl_pamu_set_platform_dma; .default_domain_ops =3D &(const struct iommu_domain_ops) { .attach_dev =3D fsl_pamu_attach_device, .detach_dev =3D fsl_pamu_detach_device, --=20 2.34.1