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authorMichael Ellerman <michael@ellerman.id.au>2006-11-22 18:26:18 +1100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-20 10:54:42 -0800
commit687d5fe3dc33794efb500f42164a0588e2647914 (patch)
tree9d344d790ae2e9d6214c2b2941360e5c0ef97f7b /ipc
parentd3bac118fb27a365d5e9f54f4a078eb9b42f968f (diff)
PCI: Add pci_find_ht_capability() for finding Hypertransport capabilities
There are already several places in the kernel that want to search a PCI device for a given Hypertransport capability. Although this is possible using pci_find_capability() etc., it makes sense to encapsulate that logic in a helper - pci_find_ht_capability(). To cater for searching exhaustively for a capability, we also provide pci_find_next_ht_capability(). We also need to cater for the fact that the HT capability fields may be either 3 or 5 bits wide. pci_find_ht_capability() deals with this for you, but callers using the #defines directly must handle that themselves. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'ipc')
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