RE: [PATCH 2.6.37] irq: irq and pci_ids patch for Intel DH89xxCC DeviceIDs

["Heasley, Seth" <seth.heasley@intel.com>]

>> --- linux-2.6.37/arch/x86/pci/irq.c.orig	2011-01-04
>16:50:19.000000000 -0800
>> +++ linux-2.6.37/arch/x86/pci/irq.c	2011-01-06 14:16:00.000000000
>-0800
>> @@ -611,6 +611,15 @@
>>  		r->set = pirq_piix_set;
>>  		return 1;
>>  	}
>> +
>> +	if ((device >= PCI_DEVICE_ID_INTEL_DH89XXCC_LPC_MIN) &&
>> +		(device <= PCI_DEVICE_ID_INTEL_DH89XXCC_LPC_MAX)) {
>> +		r->name = "PIIX/ICH";
>> +		r->get = pirq_piix_get;
>> +		r->set = pirq_piix_set;
>> +		return 1;
>> +	}
>> +
>
>I'm curious why we have separate sections for INTEL_5_3400_SERIES,
>INTEL_COUGARPOINT and now INTEL_DH89XXCC? We do the same thing for all
>3, so it would make sense to merge the tests to avoid duplicating the
>code.

Some products are defining a range of DeviceIDs rather than one or two specific IDs, so these blocks are for catching any DeviceID in the range.  I'm certainly open to suggestion for a better way to handle these, and I agree that the current way is awkward.

-Seth