linux-kernel - Re: [PATCH v11 07/10] OF: Introduce helper function for getting PCI domain

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Message-ID: <20140922110522.GK1994@e106497-lin.cambridge.arm.com>
Date:	Mon, 22 Sep 2014 12:05:22 +0100
From:	Liviu Dudau <Liviu.Dudau@....com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Rob Herring <robh+dt@...nel.org>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Russell King <linux@....linux.org.uk>,
	linux-pci <linux-pci@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Tanmay Inamdar <tinamdar@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Sinan Kaya <okaya@...eaurora.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>
Subject: Re: [PATCH v11 07/10] OF: Introduce helper function for getting PCI
 domain_nr

On Fri, Sep 19, 2014 at 10:03:13PM +0100, Bjorn Helgaas wrote:
> On Thu, Sep 18, 2014 at 02:30:22AM +0100, Liviu Dudau wrote:
> > Add of_pci_get_domain_nr() to retrieve the PCI domain number
> > of a given device from DT. If the information is not present,
> > the function can be requested to allocate a new domain number.
> 
> Is of_pci_get_domain_nr() used somewhere?  If the use is in some future
> series, please mention it explicitly.  I'm just trying to avoid merging
> unused code.

It is used in the arm64 specific patch that I have dropped out of my
pull request. After discussions with Catalin I will add the patch back
into the tree that you've pulled from as he is OK with your tree carrying
the whole package.

I need to ask for some guidance here: for addressing some of your comments
and Rob's I can add more patches in my v11 branch and you can pull them
when you think they are ready. But one of your comments was requesting
splitting a patch into two blocks - one that moves of_pci_range_to_resource()
into drivers/of/address.c and one that fixes it's behaviour - and I don't
know how you would like that handled. Should I revert the original patch
and add the new ones, or should I rebase the whole series into a different
branch that you can pull from?

Best regards,
Liviu

> 
> Bjorn
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯

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