linux-kernel - Re: [RESEND: RFC PATCH 3/3] pcie: keystone: add pcie driver based on designware core driver

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Message-ID: <20140407164644.GB9952@obsidianresearch.com>
Date:	Mon, 7 Apr 2014 10:46:44 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Murali Karicheri <m-karicheri2@...com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Richard Zhu <r65037@...escale.com>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Jingoo Han <jg1.han@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Shilimkar, Santosh" <santosh.shilimkar@...com>,
	Mohit Kumar <mohit.kumar@...com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Shawn Guo <shawn.guo@...aro.org>
Subject: Re: [RESEND: RFC PATCH 3/3] pcie: keystone: add pcie driver based on
 designware core driver

On Mon, Apr 07, 2014 at 12:38:23PM -0400, Murali Karicheri wrote:
> On 3/25/2014 12:54 PM, Jason Gunthorpe wrote:
> >On Tue, Mar 25, 2014 at 08:44:36AM +0100, Arnd Bergmann wrote:
> >
> >>I have no idea how this would work with the standard interrupt-map property,
> >>since the legacy interrupt host is now the same device as the pci host.
> >>
> >>Maybe it's better to move the legacy irqchip handling entirely out of
> >>the driver and use a separate device node for the registers so it can
> >>come with its own #interrupt-cells, and then refer to this irqchip from
> >>the interrupt-map.
> >The other DW PCI-E drivers are being fixed to use interrupt-map, so I
> >think this driver should be fixed before it goes in as well.
> 
> Could you send me a patch reference or branch that I can review to
> better understand changes required in my driver to use the bindings
> you have described below?

Bjorn is now merging it:

[PATCH v2 0/6] PCI irq mapping fixes and cleanups
http://www.spinics.net/lists/linux-pci/msg29589.html

Jason
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