linux-kernel - Re: [PATCH v2] pci: Allow read/write access to sysfs I/O port resources

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Message-ID: <20100730093616.6903e62b@virtuousgeek.org>
Date:	Fri, 30 Jul 2010 09:36:16 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	chrisw@...hat.com, ddutile@...hat.com, bjorn.helgaas@...com,
	eike-kernel@...tec.de
Subject: Re: [PATCH v2] pci: Allow read/write access to sysfs I/O port
 resources

On Mon, 19 Jul 2010 09:45:34 -0600
Alex Williamson <alex.williamson@...hat.com> wrote:

> PCI sysfs resource files currently only allow mmap'ing.  On x86 this
> works fine for memory backed BARs, but doesn't work at all for I/O
> port backed BARs.  Add read/write to I/O port PCI sysfs resource
> files to allow userspace access to these device regions.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>

Applied to linux-next, thanks.

-- 
Jesse Barnes, Intel Open Source Technology Center
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