linux-kernel - Re: [v1] PCI: Export pci_pio_to

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Date:   Wed, 2 Dec 2020 07:49:03 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Jianjun Wang <jianjun.wang@...iatek.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, youlin.pei@...iatek.com,
        Sj Huang <sj.huang@...iatek.com>
Subject: Re: [v1] PCI: Export pci_pio_to_address() for module use

On Wed, Dec 02, 2020 at 09:12:55PM +0800, Jianjun Wang wrote:
> This interface will be used by PCI host drivers for PIO translation,
> export it to support compiling those drivers as kernel modules.
> 
> Signed-off-by: Jianjun Wang <jianjun.wang@...iatek.com>

Please include this in a series that adds a modular host driver or
converts an existing one to be modular.  That way we know we have at
least one user and things get merged in the right order.

> ---
>  drivers/pci/pci.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index a458c46d7e39..509008899182 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -4003,6 +4003,7 @@ phys_addr_t pci_pio_to_address(unsigned long pio)
>  
>  	return address;
>  }
> +EXPORT_SYMBOL(pci_pio_to_address);
>  
>  unsigned long __weak pci_address_to_pio(phys_addr_t address)
>  {
> -- 
> 2.25.1
>