[coreboot] SB600 HDA can't find codec fix

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Wed Feb 4 05:20:17 CET 2009

Hi Dan,

sorry for chasing you around in circles on that issue.

On 04.02.2009 05:14, Li, Maggie wrote:
> Dan 
> I think you made a mistake. It should be “sm_dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_ATI_SB600_SM, 0);”, not “sm_dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0);” in your file.
> In my last letter, there is a writing error. We should say that dev_find_device is more reliable than dev_find_slot

I believe dev_find_device is indeed best. Anyway, I think I can make
that change locally and commit if you're OK with that.


> -----Original Message-----
> From: Carl-Daniel Hailfinger [mailto:c-d.hailfinger.devel.2006 at gmx.net] 
> Sent: Monday, February 02, 2009 10:26 AM
> To: Li, Maggie
> Cc: Dan Lykowski; Marc Jones; coreboot at coreboot.org
> Subject: Re: [coreboot] SB600 HDA can't find codec fix
> Hi Maggie,
> while your point about pci_find_device is valid, I think that
> dev_find_device is the function Dan should choose. It allows us to
> address the PCI devices even if their bus locations are shifted which is
> possible with some AMD chipsets and may also be true for boards with
> multiple chipsets.
> In general, we want to use functions which can deal with non-default bus
> topologies.

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