From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: Issue with the emulated PCI bridge implementation
Date: Fri, 03 Jan 2014 20:04:57 +0100 [thread overview]
Message-ID: <3246739.aRbALcNl1Y@wuerfel> (raw)
In-Reply-To: <20140103200106.5a0999a3@skate>
On Friday 03 January 2014 20:01:06 Thomas Petazzoni wrote:
> I don't have the hardware next to me, but IIRC the card does have an
> I/O space. It is not used by the mainline kernel driver, so I have a
> hacky patch that modifies the e1000e driver to make it use the I/O
> space and do a few I/O reads and writes. I've used that since the
> beginning to test I/O space functionality of the pci-mvebu driver.
>
> Digging in the LAKML archive, I found a lspci -v output about the
> e1000e, and it has an I/O space:
Ok, thanks for the confirmation!
Do you mind posting your hack here? It may be useful for others as
well, such as the xgene developers that seem to be doing funny things
with their I/O space.
Arnd
next prev parent reply other threads:[~2014-01-03 19:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-26 15:05 Issue with the emulated PCI bridge implementation Thomas Petazzoni
2013-12-26 15:52 ` Thomas Petazzoni
2014-01-02 21:41 ` Bjorn Helgaas
2014-01-03 0:26 ` Jason Gunthorpe
2014-01-03 12:22 ` Arnd Bergmann
2014-01-03 18:44 ` Jason Gunthorpe
2014-01-03 19:03 ` Arnd Bergmann
2014-01-03 19:01 ` Thomas Petazzoni
2014-01-03 19:04 ` Arnd Bergmann [this message]
2014-01-03 19:10 ` Thomas Petazzoni
2014-01-03 19:13 ` Arnd Bergmann
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