From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Felix Radensky <felix@embedded-sol.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Accessing PCI-E resources on 460EX
Date: Mon, 01 Dec 2008 18:54:45 +1100 [thread overview]
Message-ID: <1228118085.7356.115.camel@pasglop> (raw)
In-Reply-To: <490F6882.6050101@embedded-sol.com>
On Mon, 2008-11-03 at 23:09 +0200, Felix Radensky wrote:
> Hi,
>
> I'm currently struggling with some application
> that tries to access PCI-E memory by mmaping
> address found in /sys/bus/pci/devices/<device>/resource
>
> mmap() fails with "invalid argument" error, apparently
> because on 460EX PCI addresses are 36-bit.
>
> What is the correct way of accessing PCI-E from
> userspace on this platform.
I fixed a lot of these problems recently. Can you try again with
2.6.28-latest-rc ?
Cheers,
Ben.
next prev parent reply other threads:[~2008-12-01 7:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 21:09 Accessing PCI-E resources on 460EX Felix Radensky
2008-11-03 21:31 ` Ayman El-Khashab
2008-11-03 22:53 ` Felix Radensky
2008-11-04 18:40 ` Henry Bausley
2008-12-01 7:54 ` Benjamin Herrenschmidt [this message]
2008-12-01 11:08 ` Felix Radensky
2008-12-01 21:04 ` Benjamin Herrenschmidt
2008-12-02 22:38 ` Felix Radensky
2008-12-04 9:22 ` Felix Radensky
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