linux-kernel - Re: [PATCH v2 -next] iommu/arm-smmu-v3: Fix build error without CONFIG_PCI

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Date:   Tue, 3 Sep 2019 14:58:49 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     will@...nel.org, robin.murphy@....com,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 -next] iommu/arm-smmu-v3: Fix build error without
 CONFIG_PCI_ATS

On Tue, Sep 03, 2019 at 02:50:56PM +0800, YueHaibing wrote:
> If CONFIG_PCI_ATS is not set, building fails:
> 
> drivers/iommu/arm-smmu-v3.c: In function arm_smmu_ats_supported:
> drivers/iommu/arm-smmu-v3.c:2325:35: error: struct pci_dev has no member named ats_cap; did you mean msi_cap?
>   return !pdev->untrusted && pdev->ats_cap;
>                                    ^~~~~~~
> 
> ats_cap should only used when CONFIG_PCI_ATS is defined,
> so use #ifdef block to guard this.
> 
> Fixes: bfff88ec1afe ("iommu/arm-smmu-v3: Rework enabling/disabling of ATS for PCI masters")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
> v2: Add arm_smmu_ats_supported() of no CONFIG_PCI_ATS
> ---
>  drivers/iommu/arm-smmu-v3.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied, thanks.