linux-kernel - Re: libata reports bogus addresses for everything (was PATA

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Date:	Sun, 18 Mar 2007 14:48:31 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Komuro <komurojun-mbn@...ty.com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: libata reports bogus addresses for everything (was PATA_PCMCIA
  cmd port)

Alan Cox wrote:
> On Sat, 17 Mar 2007 22:00:50 +0900
> Komuro <komurojun-mbn@...ty.com> wrote:
> 
>> Hi,
>>  
>> The pata_pcmcia driver reports the cmd port is 0x00010100,
>> but actually the cmd port is 0x0100.
>>
>> Is this corect?
> 
> When the pci_iomap patches were applied the ports reported for every
> device went strange.  It appears to display the wrong information
> nowdays. I see the same but I've got many more important things to work
> on before I even bother to look at it.
> 
> My guess is someone is now printing the iomap virtual addresses not the
> bus ones.

Yes, we're printing the ioaddr.* directly and those are all iomapped
addressed now.  I wonder whether we should fix this or push the port
printing to LLDs (with sff helpers in libata-sff).  ahci and
pata_generic sharing one format doesn't sound like a too good idea.
I'll fix it after new init model.

-- 
tejun
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