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From: Joerg Roedel <joro@8bytes.org>
To: iommu@lists.linux-foundation.org
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
	Joerg Roedel <jroedel@suse.de>, Will Deacon <will@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-arm-msm@vger.kernel.org, guohanjun@huawei.com,
	linux-kernel@vger.kernel.org,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	linux-mediatek@lists.infradead.org,
	Andy Gross <agross@kernel.org>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Sean Paul <sean@poorly.run>, Robin Murphy <robin.murphy@arm.com>
Subject: [PATCH v4 09/16] iommu/arm-smmu-v3: Use accessor functions for iommu private data
Date: Thu, 26 Mar 2020 16:08:34 +0100
Message-ID: <20200326150841.10083-10-joro@8bytes.org> (raw)
In-Reply-To: <20200326150841.10083-1-joro@8bytes.org>

From: Joerg Roedel <jroedel@suse.de>

Make use of dev_iommu_priv_set/get() functions in the code.

Tested-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/iommu/arm-smmu-v3.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index aa3ac2a03807..2b68498dfb66 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2659,7 +2659,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
 	if (!fwspec)
 		return -ENOENT;
 
-	master = fwspec->iommu_priv;
+	master = dev_iommu_priv_get(dev);
 	smmu = master->smmu;
 
 	arm_smmu_detach_dev(master);
@@ -2795,7 +2795,7 @@ static int arm_smmu_add_device(struct device *dev)
 	if (!fwspec || fwspec->ops != &arm_smmu_ops)
 		return -ENODEV;
 
-	if (WARN_ON_ONCE(fwspec->iommu_priv))
+	if (WARN_ON_ONCE(dev_iommu_priv_get(dev)))
 		return -EBUSY;
 
 	smmu = arm_smmu_get_by_fwnode(fwspec->iommu_fwnode);
@@ -2810,7 +2810,7 @@ static int arm_smmu_add_device(struct device *dev)
 	master->smmu = smmu;
 	master->sids = fwspec->ids;
 	master->num_sids = fwspec->num_ids;
-	fwspec->iommu_priv = master;
+	dev_iommu_priv_set(dev, master);
 
 	/* Check the SIDs are in range of the SMMU and our stream table */
 	for (i = 0; i < master->num_sids; i++) {
@@ -2852,7 +2852,7 @@ static int arm_smmu_add_device(struct device *dev)
 	iommu_device_unlink(&smmu->iommu, dev);
 err_free_master:
 	kfree(master);
-	fwspec->iommu_priv = NULL;
+	dev_iommu_priv_set(dev, NULL);
 	return ret;
 }
 
@@ -2865,7 +2865,7 @@ static void arm_smmu_remove_device(struct device *dev)
 	if (!fwspec || fwspec->ops != &arm_smmu_ops)
 		return;
 
-	master = fwspec->iommu_priv;
+	master = dev_iommu_priv_get(dev);
 	smmu = master->smmu;
 	arm_smmu_detach_dev(master);
 	iommu_group_remove_device(dev);
-- 
2.17.1

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  parent reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26 15:08 [PATCH v4 00/16] iommu: Move iommu_fwspec out of 'struct device' Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 01/16] iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 02/16] ACPI/IORT: Remove direct access of dev->iommu_fwspec Joerg Roedel
2020-03-27  3:30   ` Hanjun Guo
2020-03-27  8:45     ` Jean-Philippe Brucker
2020-03-26 15:08 ` [PATCH v4 03/16] drm/msm/mdp5: " Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 04/16] iommu/tegra-gart: " Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 05/16] iommu: Rename struct iommu_param to dev_iommu Joerg Roedel
2020-03-26 15:12   ` Greg Kroah-Hartman
2020-03-26 15:08 ` [PATCH v4 06/16] iommu: Move iommu_fwspec to struct dev_iommu Joerg Roedel
2020-03-26 15:12   ` Greg Kroah-Hartman
2020-03-26 15:08 ` [PATCH v4 07/16] iommu/arm-smmu: Fix uninitilized variable warning Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 08/16] iommu: Introduce accessors for iommu private data Joerg Roedel
2020-03-26 15:08 ` Joerg Roedel [this message]
2020-03-26 15:08 ` [PATCH v4 10/16] iommu/arm-smmu: Refactor master_cfg/fwspec usage Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 11/16] iommu/arm-smmu: Use accessor functions for iommu private data Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 12/16] iommu/renesas: " Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 13/16] iommu/mediatek: " Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 14/16] iommu/qcom: " Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 15/16] iommu/virtio: " Joerg Roedel
2020-03-26 15:08 ` [PATCH v4 16/16] iommu: Move fwspec->iommu_priv to struct dev_iommu Joerg Roedel
2020-03-27 10:16 ` [PATCH v4 00/16] iommu: Move iommu_fwspec out of 'struct device' Joerg Roedel

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