Subject: Re: [PATCH v2 1/6] PCI/ATS: Export symbols of PASID functions

From: Bjorn Helgaas <[email-masked]>
Date: Wed, 18 Mar 2020 13:36:06 -0500

On Mon, Feb 24, 2020 at 05:58:41PM +0100, Jean-Philippe Brucker wrote:
> The Arm SMMUv3 driver uses pci_{enable,disable}_pasid() and related
> functions.  Export them to allow the driver to be built as a module.
> 
> Signed-off-by: Jean-Philippe Brucker <[email-masked]>

Acked-by: Bjorn Helgaas <[email-masked]>

> ---
>  drivers/pci/ats.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
> index 3ef0bb281e7c..390e92f2d8d1 100644
> --- a/drivers/pci/ats.c
> +++ b/drivers/pci/ats.c
> @@ -366,6 +366,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
>  
>  	return 0;
>  }
> +EXPORT_SYMBOL_GPL(pci_enable_pasid);
>  
>  /**
>   * pci_disable_pasid - Disable the PASID capability
> @@ -390,6 +391,7 @@ void pci_disable_pasid(struct pci_dev *pdev)
>  
>  	pdev->pasid_enabled = 0;
>  }
> +EXPORT_SYMBOL_GPL(pci_disable_pasid);
>  
>  /**
>   * pci_restore_pasid_state - Restore PASID capabilities
> @@ -441,6 +443,7 @@ int pci_pasid_features(struct pci_dev *pdev)
>  
>  	return supported;
>  }
> +EXPORT_SYMBOL_GPL(pci_pasid_features);
>  
>  #define PASID_NUMBER_SHIFT	8
>  #define PASID_NUMBER_MASK	(0x1f << PASID_NUMBER_SHIFT)
> @@ -469,4 +472,5 @@ int pci_max_pasids(struct pci_dev *pdev)
>  
>  	return (1 << supported);
>  }
> +EXPORT_SYMBOL_GPL(pci_max_pasids);
>  #endif /* CONFIG_PCI_PASID */
> -- 
> 2.25.0
> 

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