linux-kernel - Re: [PATCH] iommu/mediatek-v1: Fix a build warning for a unused variable 'data'

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Date:   Tue, 19 May 2020 14:19:00 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Yong Wu <yong.wu@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Will Deacon <will.deacon@....com>,
        Robin Murphy <robin.murphy@....com>,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, youlin.pei@...iatek.com,
        anan.sun@...iatek.com
Subject: Re: [PATCH] iommu/mediatek-v1: Fix a build warning for a unused
 variable 'data'

On Tue, May 19, 2020 at 03:57:44PM +0800, Yong Wu wrote:
> This patch fixes a build warning:
> drivers/iommu/mtk_iommu_v1.c: In function 'mtk_iommu_release_device':
> >> drivers/iommu/mtk_iommu_v1.c:467:25: warning: variable 'data' set but
> >> not used [-Wunused-but-set-variable]
> 467 |  struct mtk_iommu_data *data;
> |                         ^~~~
> 
> It's reported at:
> https://lore.kernel.org/linux-iommu/202005191458.gY38V8bU%25lkp@intel.com/T/#u
> 
> Reported-by: kbuild test robot <lkp@...el.com>
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> ---
>  drivers/iommu/mtk_iommu_v1.c | 2 --
>  1 file changed, 2 deletions(-)

Applied, thanks.