Re: [PATCH 3/3] PCI: remove printks about disabled bridge windows

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On Tue, Jun 14, 2011 at 4:45 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Tue, Jun 14, 2011 at 12:04 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
>> I don't think there's enough value in the fact of a bridge window
>> being disabled to justify cluttering the dmesg log with it.
>>
>> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>> ---
>>  drivers/pci/probe.c     |   12 ------------
>>  drivers/pci/setup-bus.c |    3 ---
>>  2 files changed, 0 insertions(+), 15 deletions(-)
>>
>> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
>> index d1181cd..362ec08 100644
>> --- a/drivers/pci/probe.c
>> +++ b/drivers/pci/probe.c
>> @@ -288,10 +288,6 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child)
>>                if (!res->end)
>>                        res->end = limit + 0xfff;
>>                dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
>> -       } else {
>> -               dev_printk(KERN_DEBUG, &dev->dev,
>> -                        "  bridge window [io  %#06lx-%#06lx] (disabled)\n",
>> -                                base, limit);
>>        }
>>  }
>>
>> @@ -312,10 +308,6 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
>>                res->start = base;
>>                res->end = limit + 0xfffff;
>>                dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
>> -       } else {
>> -               dev_printk(KERN_DEBUG, &dev->dev,
>> -                       "  bridge window [mem %#010lx-%#010lx] (disabled)\n",
>> -                                        base, limit + 0xfffff);
>>        }
>>  }
>>
>> @@ -363,10 +355,6 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
>>                res->start = base;
>>                res->end = limit + 0xfffff;
>>                dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
>> -       } else {
>> -               dev_printk(KERN_DEBUG, &dev->dev,
>> -                    "  bridge window [mem %#010lx-%#010lx pref] (disabled)\n",
>> -                                        base, limit + 0xfffff);
>
> No, We need to know what vaule BIOS write to those registers even they
> are disabled.

What do we learn from that?

Bjorn
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