RE: [PATCH 1/2 v1] pata_via.c: support VX855 and future chips whose IDE controller use 0x0571.

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> 
> The patch adds entries for 0xFFFF (is that really right) as a 
> bridge and
> 0xC409 - I see nothing for 0x0571.

PCI_DEVICE_ID_VIA_ANON is used to stand for Unknown South Bridge for VX855
and future chips, since the pata_via has a southbridge check, which is redundant. 
If we may VIA has a new SB with new bridge ID which in not in the check list, whose 
IDE controller is 0x0571. Linux default pata_via can not drive IDE controller of 402, since
the southbridge check in pata_via can not pass. 
So we add PCI_DEVICE_ID_VIA_ANON to stand for our future southbridge,
and this will help to pass southbridge check.
Is it possible to do this way? And can it be acceptable in kernel policy?

> Also all the second port stuff is unneeded: Just do
> 
> 	if (has_one_port)
> 		ppi[1] = &ata_dummy_port_info;
> 
> and only the first port will be probed.
> 

We will check it out. Thanks. :)
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