linux-kernel - Re: [PATCH v2 7/9] iommu/vt-d: use helper pci_dev

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Date:   Fri, 26 Apr 2019 15:47:28 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Oded Gabbay <oded.gabbay@...il.com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        David Woodhouse <dwmw2@...radead.org>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Paul Mackerras <paulus@...ba.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:AMD KFD" <dri-devel@...ts.freedesktop.org>,
        "open list:RADEON and AMDGPU DRM DRIVERS" 
        <amd-gfx@...ts.freedesktop.org>,
        "open list:AMD IOMMU (AMD-VI)" <iommu@...ts.linux-foundation.org>,
        "open list:8169 10/100/1000 GIGABIT ETHERNET DRIVER" 
        <netdev@...r.kernel.org>,
        "moderated list:ARM/STM32 ARCHITECTURE" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "moderated list:ARM/STM32 ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:PCI SUBSYSTEM" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v2 7/9] iommu/vt-d: use helper pci_dev_id

On Wed, Apr 24, 2019 at 09:16:10PM +0200, Heiner Kallweit wrote:
> Use new helper pci_dev_id() to simplify the code.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>

Reviewed-by: Joerg Roedel <jroedel@...e.de>

> ---
>  drivers/iommu/intel-iommu.c         | 2 +-
>  drivers/iommu/intel_irq_remapping.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
> index d93c4bd7d..3f475a23a 100644
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -1391,7 +1391,7 @@ static void iommu_enable_dev_iotlb(struct device_domain_info *info)
>  
>  		/* pdev will be returned if device is not a vf */
>  		pf_pdev = pci_physfn(pdev);
> -		info->pfsid = PCI_DEVID(pf_pdev->bus->number, pf_pdev->devfn);
> +		info->pfsid = pci_dev_id(pf_pdev);
>  	}
>  
>  #ifdef CONFIG_INTEL_IOMMU_SVM
> diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
> index 634d8f059..4160aa9f3 100644
> --- a/drivers/iommu/intel_irq_remapping.c
> +++ b/drivers/iommu/intel_irq_remapping.c
> @@ -424,7 +424,7 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
>  		set_irte_sid(irte, SVT_VERIFY_SID_SQ, SQ_ALL_16, data.alias);
>  	else
>  		set_irte_sid(irte, SVT_VERIFY_SID_SQ, SQ_ALL_16,
> -			     PCI_DEVID(dev->bus->number, dev->devfn));
> +			     pci_dev_id(dev));
>  
>  	return 0;
>  }
> -- 
> 2.21.0
>