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 for <linuxppc-dev@lists.ozlabs.org>; Fri,  5 Oct 2012 22:47:35 +1000 (EST)
Subject: Re: PCI device not working
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From: Kumar Gala <galak@kernel.crashing.org>
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Date: Fri, 5 Oct 2012 07:47:24 -0500
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To: Davide Viti <zinosat@tiscali.it>
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On Oct 5, 2012, at 3:54 AM, Davide Viti wrote:

> (just realized I did not send this to the mailing list: sorry for the =
noise)
>=20
> Hi Kumar,
>=20
> 2012/10/4 Kumar Gala <galak@kernel.crashing.org>:
>>=20
>> On Oct 4, 2012, at 7:24 AM, Davide Viti wrote:
>>=20
>>> Hi,
>>> it turns out that if define CONFIG_PCI_NOSCAN in u-boot (as per =
[1]), the
>>> device behind the second controller is detected by the  Linux =
kernel.
>>>=20
>>> Would
>>> you suggest any particular patch I should apply to fix this (I'm =
using kernel
>>> 2.6.34)
>>>=20
>>> thanx alot in advance
>>> Davide
>>>=20
>>> [1] http://permalink.gmane.org/gmane.linux.ports.ppc.embedded/20140
>>=20
>> My suggestion would be to try and dump all the controller registers =
between the case that works and doesn't and compare.  There's some minor =
setting difference that I'm guessing is causing issues.
>>=20
>> - k

When I said controller registers, I meant the FSL PCI controller and the =
CCSR registers not the PCI cfg register space

- k=