linux-kernel - Re: [PATCH 1/2] nios2: Add architectural support for PCIe

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Message-ID: <3218771.zBxT0jYLDs@wuerfel>
Date:	Tue, 29 Sep 2015 09:37:09 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Ley Foon Tan <lftan@...era.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH 1/2] nios2: Add architectural support for PCIe

On Tuesday 29 September 2015 11:12:24 Ley Foon Tan wrote:
> >
> > I think that would be good, yes. We probably picked defaults for the
> > asm-generic version that are enough to build with CONFIG_PCI disabled,
> > but there are useful defaults for the other case as well.
> >
> > Most architectures that use the file don't support PCI, so you can just
> > add stuff inside of #ifdef CONFIG_PCI. For the remaining 13 architectures
> > (git grep -l generic/pci.h  | wc), see whether there are conflicts first.
> > The normal way would be to have the arch specific definition come before
> > the #include, and then do something like
> >
> > #ifndef pci_proc_domain
> > #define pci_proc_domain pci_proc_domain
> > static inline int pci_proc_domain(struct pci_bus *bus)
> > {
> > #ifdef CONFIG_PCI_DOMAINS_GENERIC
> >         return pci_domain_nr(bus);
> > #else
> >         return 1;
> > }
> > #endif
> 
> Okay, will try add them to asm-generic.

Thanks

> Do you prefer to send it as separate patch or can be part of this patchset?

I prefer the patches to be part of this series and merged through together
with them.

	Arnd
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