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authoravg <avg@FreeBSD.org>2016-09-21 16:23:31 +0000
committeravg <avg@FreeBSD.org>2016-09-21 16:23:31 +0000
commit9ca803a59114202a77cc49fe5ce99f784445de56 (patch)
tree97221c834ae3e57af94630a75a77277bdc93697b /sys/pci
parent2a5296e6876804f9412b8a9928c4e68fbcdca237 (diff)
downloadFreeBSD-src-9ca803a59114202a77cc49fe5ce99f784445de56.zip
FreeBSD-src-9ca803a59114202a77cc49fe5ce99f784445de56.tar.gz
MFC r305603: intpm: do not try attaching to unsupported controller revisions
Diffstat (limited to 'sys/pci')
-rw-r--r--sys/pci/intpm.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/pci/intpm.c b/sys/pci/intpm.c
index 9e1f59b..ff64b62 100644
--- a/sys/pci/intpm.c
+++ b/sys/pci/intpm.c
@@ -104,9 +104,12 @@ intsmb_probe(device_t dev)
device_set_desc(dev, "ATI IXP400 SMBus Controller");
break;
case 0x43851002:
- case 0x780b1022: /* AMD Hudson */
- device_set_desc(dev, "AMD SB600/7xx/8xx SMBus Controller");
- /* XXX Maybe force polling right here? */
+ device_set_desc(dev, "AMD SB600/7xx/8xx/9xx SMBus Controller");
+ break;
+ case 0x780b1022: /* AMD FCH */
+ if (pci_get_revid(dev) < 0x40)
+ return (ENXIO);
+ device_set_desc(dev, "AMD FCH SMBus Controller");
break;
default:
return (ENXIO);
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