linux-kernel - Re: [PATCH v8 8/9] pci: Add support for creating a generic host

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Message-ID: <4233600.RyK6LJF6ZK@wuerfel>
Date:	Wed, 02 Jul 2014 21:09:06 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Will Deacon <will.deacon@....com>
Cc:	Liviu Dudau <Liviu.Dudau@....com>,
	linux-pci <linux-pci@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linaro-kernel <linaro-kernel@...ts.linaro.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>,
	LKML <linux-kernel@...r.kernel.org>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8 8/9] pci: Add support for creating a generic host_bridge from device tree

On Wednesday 02 July 2014 18:31:13 Will Deacon wrote:
> > > > + err = of_pci_parse_bus_range(parent->of_node, bus_range);
> > > > + if (err) {
> > > > +         dev_info(parent, "No bus range for %s, using default [0-255]\n",
> > > > +                 parent->of_node->full_name);
> > > > +         bus_range->start = 0;
> > > > +         bus_range->end = 255;
> > > > +         bus_range->flags = IORESOURCE_BUS;
> > > 
> > > What about bus_range->name?
> > 
> > Don't know! Is anyone using it?
> 
> I guess /proc/iomem prints it out? I set it in my current driver, if you
> want to take a look.

I don't think the bus resources show up anywhere in procfs. Anyway, it's
always a good idea to give resources a name, if only for debugging purposes.

	Arnd
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