From: Ralf Baechle <ralf@linux-mips.org>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Michael Buesch <mb@bu3sch.de>, linux-mips@linux-mips.org
Subject: Re: Linux MIPS PCI resource sanity check
Date: Tue, 19 Feb 2008 15:30:08 +0000 [thread overview]
Message-ID: <20080219153008.GA28788@linux-mips.org> (raw)
In-Reply-To: <47B6BFD4.5050404@ru.mvista.com>
On Sat, Feb 16, 2008 at 01:49:56PM +0300, Sergei Shtylyov wrote:
> It makes sure that a PCI resource is allocated (base of 0 means that it's
> unallocated due to previously detected resource conlict (or some other
> reason).
>
>> It triggers for me on a BCM4318 device which is behind a BCM4710 PCI bridge.
>> r->start is 0 and r->end is 0x1FFF when this triggers.
>> If I simply comment out that check the device is detected correctly
>> and seems to initialize just fine.
>
> No, that failnig resource should be relocated.
The resources were assigned during the PCI bus scan so at least with the
current implementation it's too late to reassign resources. I get the
feeling this is an indication of a problem elsewhere.
Ralf
next prev parent reply other threads:[~2008-02-19 15:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-16 10:39 Linux MIPS PCI resource sanity check Michael Buesch
2008-02-16 10:49 ` Sergei Shtylyov
2008-02-16 10:55 ` Michael Buesch
2008-02-16 23:35 ` Andrew Sharp
2008-02-17 11:19 ` Michael Buesch
2008-02-18 13:55 ` Sergei Shtylyov
2008-02-19 15:30 ` Ralf Baechle [this message]
2008-02-19 15:51 ` Ralf Baechle
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