linux-kernel - Re: [PATCH 12/12] iommu: Remove iommu_dev_enable/disable

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Message-ID: <20250220010455.GU3696814@ziepe.ca>
Date: Wed, 19 Feb 2025 21:04:55 -0400
From: Jason Gunthorpe <jgg@...pe.ca>
To: Lu Baolu <baolu.lu@...ux.intel.com>
Cc: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>,
	Kevin Tian <kevin.tian@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Dave Jiang <dave.jiang@...el.com>, Vinod Koul <vkoul@...nel.org>,
	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Zhou Wang <wangzhou1@...ilicon.com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/12] iommu: Remove iommu_dev_enable/disable_feature()

On Fri, Feb 14, 2025 at 02:11:04PM +0800, Lu Baolu wrote:
> No external drivers use these interfaces anymore. Furthermore, no existing
> iommu drivers implement anything in the callbacks. Remove them to avoid
> dead code.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> ---
>  drivers/iommu/amd/iommu.c                   | 32 -------------------
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 34 ---------------------
>  drivers/iommu/intel/iommu.c                 | 25 ---------------
>  drivers/iommu/iommu.c                       | 32 -------------------
>  include/linux/iommu.h                       | 28 -----------------
>  5 files changed, 151 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason