Author: eadler
Date: Tue Oct 2 03:33:41 2012
New Revision: 241119
URL: http://svn.freebsd.org/changeset/base/241119
Log:
Provide a generic way to disable devices at boot time
PR: kern/119202
Requested by: peterj
Reviewed by: sbruno, jhb
Approved by: cperciva
MFC after: 1 week
Modified:
head/sys/kern/subr_bus.c
Modified: head/sys/kern/subr_bus.c
==============================================================================
--- head/sys/kern/subr_bus.c Tue Oct 2 00:30:26 2012 (r241118)
+++ head/sys/kern/subr_bus.c Tue Oct 2 03:33:41 2012 (r241119)
@@ -2762,6 +2762,13 @@ device_attach(device_t dev)
{
int error;
+ if (resource_disabled(dev->driver->name, dev->unit)) {
+ device_disable(dev);
+ if (bootverbose)
+ device_printf(dev, "disabled via hints entry\n");
+ return (ENXIO);
+ }
+
device_sysctl_init(dev);
if (!device_is_quiet(dev))
device_print_child(dev->parent, dev);
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