Re: ata_piix on MacBook4,1: fail to startup in a certain situation

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MATSUBAYASHI 'Shaolin' Kohji wrote:
> At Thu, 29 May 2008 09:23:30 +0900,
> Tejun Heo wrote:
>> Hmmm.. That really doesn't make much sense.  Can you please try the
>> attached one just in case?
> 
> Still no luck - I couldn't see any progress even with this patch.
> Booting still stops during either of the followings:
> 
>         if (pci_resource_start(pdev, PIIX_SIDPR_BAR) == 0 ||
>             pci_resource_len(pdev, PIIX_SIDPR_BAR) != PIIX_SIDPR_LEN)
>                 return;
> 
> or
> 
> scontrol = piix_sidpr_read(dev0, SCR_CONTROL);
> 
> Once the AC Adapter is plugged in, booting continues fine.

With the patch applied, control should never reach either of the above
two lines.  Can you please double check?

-- 
tejun
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