linux-kernel - Re: [RFC/PATCH 2/4] PCI: Export PCI ACS and DMA searching functions to modules

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Message-ID: <20190522210038.GE79339@google.com>
Date:   Wed, 22 May 2019 16:00:38 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     "Isaac J. Manjarres" <isaacm@...eaurora.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, robh+dt@...nel.org,
        frowand.list@...il.com, joro@...tes.org, robin.murphy@....com,
        will.deacon@....com, kernel-team@...roid.com,
        pratikp@...eaurora.org, lmark@...eaurora.org
Subject: Re: [RFC/PATCH 2/4] PCI: Export PCI ACS and DMA searching functions
 to modules

On Fri, May 17, 2019 at 11:47:35AM -0700, Isaac J. Manjarres wrote:
> IOMMU drivers that can be compiled as modules may
> want to use pci_for_each_dma_alias() and pci_request_acs(),
> so export those functions.
> 
> Signed-off-by: Isaac J. Manjarres <isaacm@...eaurora.org>

Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>

> ---
>  drivers/pci/pci.c    | 1 +
>  drivers/pci/search.c | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 766f577..3f354c1 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -3124,6 +3124,7 @@ void pci_request_acs(void)
>  {
>  	pci_acs_enable = 1;
>  }
> +EXPORT_SYMBOL_GPL(pci_request_acs);
>  
>  static const char *disable_acs_redir_param;
>  
> diff --git a/drivers/pci/search.c b/drivers/pci/search.c
> index 2b5f720..cf9ede9 100644
> --- a/drivers/pci/search.c
> +++ b/drivers/pci/search.c
> @@ -111,6 +111,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
>  
>  	return ret;
>  }
> +EXPORT_SYMBOL_GPL(pci_for_each_dma_alias);
>  
>  static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr)
>  {
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>