Re: Help Requested with patching "drivers/pci/quirks.c"

[Randy.Dunlap]

On Mon, 27 Sep 2004 11:53:00 +1200 Roberts-Thomson, James wrote:

| Randy Dunlap wrote:
| 
| > Try "lspci -n".
| 
| OK, on the 2.4.27 machine, lspci displays an entry for the SMBus device
| (once the p4b_smbus module is loaded), thus:
| 
| 0000:00:1f.3 SMBus: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus
| Controller (rev 01)
| 
| which lspci -n identifies as 
| 
| 0000:00:1f.3 Class 0c05: 8086:24c3 (rev 01)
| 
| In pci_ids.h, 0x0c05 is "PCI_CLASS_SERIAL_SMBUS", and "24c3" is a
| "PCI_DEVICE_ID_INTEL_82801DB_3".  So, thanks to your help, I've found the
| dev->device entry I need; but where do I get the dev->subsystem_device value
| from?  I'm willing to believe I have the information and that I just don't
| recognise what it is - that is my problem.

Yes, lspci will show that also.

lspci -x -d 8086:24c3           (2443 in my case, below)

0000:00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 05)
00: 86 80 43 24 01 00 80 02 05 00 05 0c 00 00 00 00
    vv vv dd dd
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: a1 ef 00 00 00 00 00 00 00 00 00 00 86 80 54 50
                                        yy yy zz zz
30: 00 00 00 00 00 00 00 00 00 00 00 00 09 02 00 00

Vendor ID is vvvv.  Device ID is dddd.
Subsystem vendor ID is yyyy and subsystem device ID is zzzz.
All multi-byte fields are in low-high order (little endian)
(in the PCI header).

--
~Randy
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