diff options
Diffstat (limited to 'share/man/man9/device_add_child.9')
| -rw-r--r-- | share/man/man9/device_add_child.9 | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/share/man/man9/device_add_child.9 b/share/man/man9/device_add_child.9 index d27cd3580675..1bb1a0192bba 100644 --- a/share/man/man9/device_add_child.9 +++ b/share/man/man9/device_add_child.9 @@ -52,13 +52,13 @@ and arguments specify the name and unit number of the device. If the name is unknown then the caller should pass .Dv NULL . -If the unit is unknown then the caller should pass +If the unit is unknown then the caller should pass .Dv -1 and the system will choose the next available unit number. .Pp The name of the device is used to determine which drivers might be appropriate for the device. If a name is specified then only drivers -of that name are probed. If no name is given then all drivers for the +of that name are probed. If no name is given then all drivers for the owning bus are probed. .Pp This allows busses which can uniquely identify device instances (such @@ -67,7 +67,7 @@ match. For busses which rely on supplied probe hints where only one driver can have a change of probing the device, the driver name should specified as the device name. .Pp -Normally unit numbers will be chosen automatically by the system and a +Normally unit numbers will be chosen automatically by the system and a unit number of .Dv -1 should be given. @@ -77,16 +77,16 @@ be passed. If the specified unit number is already allocated, a new unit will be allocated and a diagnostic message printed. .Pp If the devices attached to a bus must be probed in a specific order -(e.g. for the ISA bus some devices are sensitive to failed probe attempts +(e.g. for the ISA bus some devices are sensitive to failed probe attempts of unrelated drivers and therefore must be probed first), the .Fa order argument of .Xr device_add_child_ordered 9 should be used to specify a partial ordering. -The new device will be added before any existing device with a greater +The new device will be added before any existing device with a greater order. -If +If .Xr device_add_child 9 is used, then the new child will be added as if its order was zero. .Sh RETURN VALUES |