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

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Hello.

JosephChan@via.com.tw wrote:

>> 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 it was redundant, it wouldn't have been there...

> 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.
>   

   Why not just add the new and future SB device IDs to the list?

> Is it possible to do this way? And can it be acceptable in kernel policy?
>   

   I doubt it...

MBR, Sergei