From: Bjorn Helgaas <helgaas@kernel.org>
To: Jianjun Wang <jianjun.wang@mediatek.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, youlin.pei@mediatek.com,
Sj Huang <sj.huang@mediatek.com>
Subject: Re: [v1] PCI: Export pci_pio_to_address() for module use
Date: Wed, 2 Dec 2020 07:49:03 -0600 [thread overview]
Message-ID: <20201202134903.GA1419281@bjorn-Precision-5520> (raw)
In-Reply-To: <20201202131255.6541-1-jianjun.wang@mediatek.com>
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@mediatek.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
>
next prev parent reply other threads:[~2020-12-02 13:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-02 13:12 [v1] PCI: Export pci_pio_to_address() for module use Jianjun Wang
2020-12-02 13:49 ` Bjorn Helgaas [this message]
2020-12-03 3:48 ` Jianjun Wang
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