From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CDECB39F for ; Mon, 28 Nov 2022 06:55:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669618522; x=1701154522; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AAYy0JUpin+OfoNJn9WkR2B9kCOfW+EhBpCdyTnxdnM=; b=Jp1Cz+LDq0gVrY3mNc084BwzVFpO24oWKHJ38mYedOXDqszDcK0dBh3g e+03b/RrqdhdtJsPAMifyufUsfT0eJXZDu7NK4IFK9aP46tHuCoFd6NUF CmmxwyE4GnidPTzxfjRnPj2BGBskhHl9/zDSKAoHIhIrlvXp2XAQp206i QS7eoEgsQfOPLSDphwowunmnR/PXSaFzIZXs5imNtr+aTRuni7EesxTI8 qLnrmvZ3qvkB3p48lN2jkQP63+6A9m6qzu3E5LaBxpQhupg2KlpdkYxrT LcxgGNp2buOWU1TO+QzoaDomRPq8w6F6LKXgjxpYWJxF/LrGRQOJ3ZTKM Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10544"; a="315916163" X-IronPort-AV: E=Sophos;i="5.96,199,1665471600"; d="scan'208";a="315916163" 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> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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_domain.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); } +static void fsl_pamu_set_platform_dma(struct device *dev) +{ + struct iommu_domain *domain = 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 = { .domain_alloc = fsl_pamu_domain_alloc, .probe_device = fsl_pamu_probe_device, .device_group = fsl_pamu_device_group, + .set_platform_dma = fsl_pamu_set_platform_dma; .default_domain_ops = &(const struct iommu_domain_ops) { .attach_dev = fsl_pamu_attach_device, .detach_dev = fsl_pamu_detach_device, -- 2.34.1