linux-kernel - [PATCH] iommu/vt-d: Remove an unnecessary call set_dma

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Message-ID: <20250403165605.278541-1-ptesarik@suse.com>
Date: Thu,  3 Apr 2025 18:56:05 +0200
From: Petr Tesarik <ptesarik@...e.com>
To: David Woodhouse <dwmw2@...radead.org>,
	Lu Baolu <baolu.lu@...ux.intel.com>,
	Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>
Cc: Tom Murphy <murphyt7@....ie>,
	iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Petr Tesarik <ptesarik@...e.com>
Subject: [PATCH] iommu/vt-d: Remove an unnecessary call set_dma_ops()

Do not touch per-device DMA ops when the driver has been converted to use
the dma-iommu API.

Fixes: c588072bba6b ("iommu/vt-d: Convert intel iommu driver to the iommu ops")
Signed-off-by: Petr Tesarik <ptesarik@...e.com>
---
 drivers/iommu/intel/iommu.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index bf1f0c814348..b7e500451d4f 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3789,7 +3789,6 @@ static void intel_iommu_release_device(struct device *dev)
 	intel_pasid_free_table(dev);
 	intel_iommu_debugfs_remove_dev(info);
 	kfree(info);
-	set_dma_ops(dev, NULL);
 }
 
 static void intel_iommu_get_resv_regions(struct device *device,
-- 
2.48.1