linux-kernel - [PATCH 1/1] iommu/vt-d: Remove comment for def_domain

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Date: Mon, 24 Jun 2024 10:43:27 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: iommu@...ts.linux.dev
Cc: Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>,
	linux-kernel@...r.kernel.org,
	Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH 1/1] iommu/vt-d: Remove comment for def_domain_type

The comment for def_domain_type is outdated. Part of it is irrelevant.
Furthermore, it could just be deleted since the iommu_ops::def_domain_type
callback is properly documented in iommu.h, so individual implementations
shouldn't need to repeat that. Remove it to avoid confusion.

Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
 drivers/iommu/intel/iommu.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index ccde5f5972e4..640081933aed 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2177,17 +2177,6 @@ static bool device_rmrr_is_relaxable(struct device *dev)
 		return false;
 }
 
-/*
- * Return the required default domain type for a specific device.
- *
- * @dev: the device in query
- * @startup: true if this is during early boot
- *
- * Returns:
- *  - IOMMU_DOMAIN_DMA: device requires a dynamic mapping domain
- *  - IOMMU_DOMAIN_IDENTITY: device requires an identical mapping domain
- *  - 0: both identity and dynamic domains work for this device
- */
 static int device_def_domain_type(struct device *dev)
 {
 	if (dev_is_pci(dev)) {
-- 
2.34.1