linux-kernel - Re: [PATCH v2 03/18] PCI: designware: Configuration space should be specified in 'reg'

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Date:	Thu, 29 May 2014 10:03:54 -0500
From:	Kumar Gala <galak@...eaurora.org>
To:	Kishon Vijay Abraham I <kishon@...com>
Cc:	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Marek Vasut <marex@...x.de>, arnd@...db.de, tony@...mide.com,
	Mohit Kumar <mohit.kumar@...com>, jg1.han@...sung.com,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v2 03/18] PCI: designware: Configuration space should be specified in 'reg'


On May 29, 2014, at 1:38 AM, Kishon Vijay Abraham I <kishon@...com> wrote:

> The configuration address space has so far been specified in *ranges*,
> however it should be specified in *reg* making it a platform MEM resource.
> Hence used 'platform_get_resource_*' API to get configuration address
> space in the designware driver.
> 
> Cc: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: Mohit Kumar <mohit.kumar@...com>
> Cc: Jingoo Han <jg1.han@...sung.com>
> Cc: Marek Vasut <marex@...x.de>
> Cc: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> ---
> .../devicetree/bindings/pci/designware-pcie.txt    |    1 +
> drivers/pci/host/pcie-designware.c                 |   17 +++++++++++++++--
> 2 files changed, 16 insertions(+), 2 deletions(-)

Why should the cfg space be defined in *reg* instead of ranges?

- k

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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