[LinuxBIOS] lpci_set_subsystem question
Stefan Reinauer
stepan at coresystems.de
Wed Aug 15 23:10:09 CEST 2007
* Marc Jones <marc.jones at amd.com> [070815 23:01]:
> Shouldn't the PCI config register always be 0x2c (subsystem ID register)
> like in the last example (bcm5780_sb_pci_main.c)? Should these functions
> even be there since there is a stock pci_dev_set_subsystem() that seems
> to be correct?
I think on some systems 2c is always read-only, while on others it is
read/write or read-once. Those with read-only 2c have a writable
register that mirrors the value to 2c.
Not sure if that's the case here.
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