Re: [PATCH 05/14] lib: Add I/O map cache implementation

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Subject: Re: [PATCH 05/14] lib: Add I/O map cache implementation
From: Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>
Date: Wed, 16 Jan 2013 11:25:56 +0000
Cc: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Stephen Warren <swarren@xxxxxxxxxxxxx>, linux-tegra@xxxxxxxxxxxxxxx, Grant Likely <grant.likely@xxxxxxxxxxxx>, Rob Herring <rob.herring@xxxxxxxxxxx>, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Andrew Murray <andrew.murray@xxxxxxx>, Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>, devicetree-discuss@xxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx
In-reply-to: <20130116101822.GA17706@avionic-0098.adnet.avionic-design.de>
References: <1357764194-12677-1-git-send-email-thierry.reding@avionic-design.de> <20130109231758.GA27065@obsidianresearch.com> <20130110071937.GG15212@avionic-0098.adnet.avionic-design.de> <201301100917.19577.arnd@arndb.de> <20130110102544.GA5546@avionic-0098.adnet.avionic-design.de> <20130110182007.GA28004@obsidianresearch.com> <20130110185505.GA22944@avionic-0098.adnet.avionic-design.de> <20130110190327.GA23110@avionic-0098.adnet.avionic-design.de> <20130110192417.GA18478@obsidianresearch.com> <20130116101822.GA17706@avionic-0098.adnet.avionic-design.de>
User-agent: Mutt/1.5.19 (2009-01-05)

On Wed, Jan 16, 2013 at 11:18:22AM +0100, Thierry Reding wrote:
> 		err = ioremap_page_range(virt, virt + SZ_64K - 1, phys,

Why -1 here?
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References:
- [PATCH 00/14] Rewrite Tegra PCIe driver
  - From: Thierry Reding
- Re: [PATCH 05/14] lib: Add I/O map cache implementation
  - From: Jason Gunthorpe
- Re: [PATCH 05/14] lib: Add I/O map cache implementation
  - From: Thierry Reding
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  - From: Arnd Bergmann
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