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Date:   Wed, 24 Mar 2021 10:09:42 +0100
From:   Pali =?utf-8?B?Um9ow6Fy?= <pali@kernel.org>
To:     Jianjun Wang <jianjun.wang@mediatek.com>
Cc:     Bjorn Helgaas <bhelgaas@google.com>,
        Rob Herring <robh+dt@kernel.org>,
        Marc Zyngier <maz@kernel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, youlin.pei@mediatek.com,
        chuanjia.liu@mediatek.com, qizhong.cheng@mediatek.com,
        sin_jieyang@mediatek.com, drinkcat@chromium.org,
        Rex-BC.Chen@mediatek.com, anson.chuang@mediatek.com,
        Krzysztof Wilczyski <kw@linux.com>
Subject: Re: [v9,2/7] PCI: Export pci_pio_to_address() for module use
Message-ID: <20210324090942.kmhxnxzm7tz3ynuy@pali>
References: <20210324030510.29177-1-jianjun.wang@mediatek.com>
 <20210324030510.29177-3-jianjun.wang@mediatek.com>
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On Wednesday 24 March 2021 11:05:05 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@mediatek.com>
> ---
>  drivers/pci/pci.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 16a17215f633..12bba221c9f2 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -4052,6 +4052,7 @@ phys_addr_t pci_pio_to_address(unsigned long pio)
>  
>  	return address;
>  }
> +EXPORT_SYMBOL(pci_pio_to_address);

Hello! I'm not sure if EXPORT_SYMBOL is correct because file has GPL-2.0
header. Should not be in this case used only EXPORT_SYMBOL_GPL? Maybe
other people would know what is correct?

>  
>  unsigned long __weak pci_address_to_pio(phys_addr_t address)
>  {
> -- 
> 2.25.1
>