linux-kernel - [PATCH v1 7/8] media: staging: media: tegra-vde: Use iommu_attach/detach

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Date:   Thu,  6 Jan 2022 10:20:52 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Robin Murphy <robin.murphy@....com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Will Deacon <will@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>, rafael@...nel.org,
        Diana Craciun <diana.craciun@....nxp.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Eric Auger <eric.auger@...hat.com>,
        Liu Yi L <yi.l.liu@...el.com>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Stuart Yoder <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Li Yang <leoyang.li@....com>,
        Dmitry Osipenko <digetx@...il.com>,
        iommu@...ts.linux-foundation.org, linux-pci@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH v1 7/8] media: staging: media: tegra-vde: Use iommu_attach/detach_device()

Ordinary drivers should use iommu_attach/detach_device() for domain
attaching and detaching.

Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
 drivers/staging/media/tegra-vde/iommu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/tegra-vde/iommu.c b/drivers/staging/media/tegra-vde/iommu.c
index adf8dc7ee25c..a6e6eb28f1e3 100644
--- a/drivers/staging/media/tegra-vde/iommu.c
+++ b/drivers/staging/media/tegra-vde/iommu.c
@@ -91,7 +91,7 @@ int tegra_vde_iommu_init(struct tegra_vde *vde)
 	order = __ffs(vde->domain->pgsize_bitmap);
 	init_iova_domain(&vde->iova, 1UL << order, 0);
 
-	err = iommu_attach_group(vde->domain, vde->group);
+	err = iommu_attach_device(vde->domain, dev);
 	if (err)
 		goto put_iova;
 
@@ -129,7 +129,7 @@ int tegra_vde_iommu_init(struct tegra_vde *vde)
 unreserve_iova:
 	__free_iova(&vde->iova, vde->iova_resv_static_addresses);
 detach_group:
-	iommu_detach_group(vde->domain, vde->group);
+	iommu_detach_device(vde->domain, dev);
 put_iova:
 	put_iova_domain(&vde->iova);
 	iova_cache_put();
@@ -146,7 +146,7 @@ void tegra_vde_iommu_deinit(struct tegra_vde *vde)
 	if (vde->domain) {
 		__free_iova(&vde->iova, vde->iova_resv_last_page);
 		__free_iova(&vde->iova, vde->iova_resv_static_addresses);
-		iommu_detach_group(vde->domain, vde->group);
+		iommu_detach_device(vde->domain, vde->miscdev.parent);
 		put_iova_domain(&vde->iova);
 		iova_cache_put();
 		iommu_domain_free(vde->domain);
-- 
2.25.1