Several cleanups to remove the need for explicit unit numbers and a few

other fixes:
- Add pointers back to device_t objects in softc structures instead
  of storing the unit and using devclass_get_device().
- Add 'lpbb', 'pcf', 'pps', and 'vpo' child devices to every 'ppbus' device
  instead of just the first one.
- Store softc pointers in si_drv1 of character devices instead of
  pulling the unit number from the minor number and using
  devclass_get_softc() and devclass_get_device().
- Store the LP_BYPASS flag in si_drv2 instead of encoding it in the minor
  number.
- Destroy character devices for lpt(4) when detaching the device.
- Use bus_print_child_footer() instead of duplicating it in
  ppbus_print_child() and fix ppbus_print_child()'s return value.
- Remove unused AVM ivar from ppbus.
- Don't store the 'mode' ivar in the ppbus ivars since we always fetch it
  from the parent anyway.
- Try to detach all the child devices before deleting them in
  ppbus_detach().
- Use pause() instead of a tsleep() on a dummy address when polling the
  ppbus.
- Use if_printf() and device_printf() instead of explicit names with unit
  numbers.

Silence on:	current@

1 files changed, 0 insertions, 3 deletions

diff --git a/sys/dev/ppbus/vpoio.h b/sys/dev/ppbus/vpoio.h
index fe66fa5..acf7265 100644
--- a/sys/dev/ppbus/vpoio.h
+++ b/sys/dev/ppbus/vpoio.h
@@ -66,7 +66,6 @@ struct vpo_nibble {
 #define VP0_MODE_EPP		0x3
 
 struct vpoio_data {
-	unsigned short int vpo_unit;
 	int vpo_mode_found;		/* Mode found during init */
 
 	struct vpo_nibble vpo_nibble;
@@ -77,8 +76,6 @@ struct vpoio_data {
 	device_t vpo_dev;
 };
 
-#define vpoio_set_unit(vpo,unit) ((vpo)->vpo_unit = unit)
-
 int vpoio_probe(device_t dev, struct vpoio_data *vpo);
 
 int vpoio_attach(struct vpoio_data *vpo);