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authorMarius Strobl <marius@FreeBSD.org>2005-02-20 01:52:43 +0000
committerMarius Strobl <marius@FreeBSD.org>2005-02-20 01:52:43 +0000
commit6ff81db1a7bfd770db653c0d6721bee58decba10 (patch)
tree9efea520e3115ff44d8718875b69285355727f81 /sys/dev/hme
parent2f5f750d3ceeb8732da75fd636faf92bd1ce2cf3 (diff)
Add a note that all four HME chips on a SUNW,qfe card share the same PROM,
making it a bit more clear why we can read four NAs from the VPD. MFC after: 1 day
Notes
Notes: svn path=/head/; revision=142117
Diffstat (limited to 'sys/dev/hme')
-rw-r--r--sys/dev/hme/if_hme_pci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/hme/if_hme_pci.c b/sys/dev/hme/if_hme_pci.c
index da5321cb28a6..63bfbb22e001 100644
--- a/sys/dev/hme/if_hme_pci.c
+++ b/sys/dev/hme/if_hme_pci.c
@@ -302,7 +302,8 @@ hme_pci_attach(device_t dev)
* Read PCI VPD.
* SUNW,hme cards have a single large resource VPD-R tag
* containing one NA. SUNW,qfe cards have four large resource
- * VPD-R tags containing one NA each.
+ * VPD-R tags containing one NA each (all four HME chips share
+ * the same PROM).
* The VPD used on both cards is not in PCI 2.2 standard format
* however. The length in the resource header is in big endian
* and the end tag is non-standard (0x79) and followed by an