Subject: [PATCH V2 11/23] arm64, pci: Remove useless boot time IRQ assignment when booting with DT.

From: [email-masked] (Lorenzo Pieralisi)
Date: Tue, 12 Jan 2016 13:50:23 +0000

On Wed, Dec 16, 2015 at 04:16:21PM +0100, Tomasz Nowicki wrote:
> In order to probe PCIe host controller when booting with DT,
> ARM64 is using drivers which defer IRQ assignment to device
> enable time. It means that boot time DT specific irq map initialization
> is always overridden, so lets remove that code.
> 
> Signed-off-by: Tomasz Nowicki <[email-masked]>
> ---
>  arch/arm64/kernel/pci.c | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
> index 023b983..f7948f5 100644
> --- a/arch/arm64/kernel/pci.c
> +++ b/arch/arm64/kernel/pci.c
> @@ -51,16 +51,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
>  	return pci_enable_resources(dev, mask);
>  }
>  
> -/*
> - * Try to assign the IRQ number from DT when adding a new device
> - */
> -int pcibios_add_device(struct pci_dev *dev)
> -{
> -	dev->irq = of_irq_parse_and_map_pci(dev, 0, 0);
> -
> -	return 0;
> -}
> -

Actually, this patch should be part of Matthew's series:

http://comments.gmane.org/gmane.linux.kernel.pci/46461

Lorenzo