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Allow drivers to return BUS_PROBE_NOWILDCARD from their attach routine to

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match devices where the driver class was fixed but the unit number was
wildcarded.  This better matches the documented behaviour in
DEVICE_PROBE(9).

Reviewed by:	imp
This commit is contained in:
Ryan Stone 2013-08-08 19:30:49 +00:00
parent b74dd6c77b
commit 08a42caa50
1 changed files with 3 additions and 3 deletions
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6
sys/kern/subr_bus.c
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@ -2077,11 +2077,11 @@ device_probe_child(device_t dev, device_t child)
if (best == NULL || result > pri) { if (best == NULL || result > pri) {
/* /*
* Probes that return BUS_PROBE_NOWILDCARD * Probes that return BUS_PROBE_NOWILDCARD
* or lower only match when they are set * or lower only match on devices whose
* in stone by the parent bus. * driver was explicitly specified.
*/ */
if (result <= BUS_PROBE_NOWILDCARD && if (result <= BUS_PROBE_NOWILDCARD &&
child->flags & DF_WILDCARD) !(child->flags & DF_FIXEDCLASS))
continue; continue;
best = dl; best = dl;
pri = result; pri = result;