Add support to ACPI to manage its own resources. Previously, resource

allocation was passed up to nexus.  Now, we probe sysresource objects and
manage the resources they describe in a local rman pool.  This helps
devices which attach/detach varying resources (like the _CST object) and
module loads/unloads.  The allocation/release routines now check to see if
the resource is described in a child sysresource object and if so,
allocate from the local rman.  Sysresource objects add their resources to
the pool and reserve them upon boot.  This means sysresources need to be
probed before other ACPI devices.

Changes include:
* Add ordering to the child device probe.  The current order is:  system
resource objects, embedded controllers, then everything else.
* Make acpi_MatchHid take a handle instead of a device_t arg.
* Replace acpi_{get,set}_resource with the generic equivalents.

1 files changed, 6 insertions, 4 deletions

diff --git a/sys/dev/acpica/acpi_button.c b/sys/dev/acpica/acpi_button.c
index 8314486..4ea77db 100644
--- a/sys/dev/acpica/acpi_button.c
+++ b/sys/dev/acpica/acpi_button.c
@@ -90,24 +90,26 @@ static int
 acpi_button_probe(device_t dev)
 {
     struct acpi_button_softc	*sc;
+    ACPI_HANDLE h;
     int ret = ENXIO;
 
+    h = acpi_get_handle(dev);
     sc = device_get_softc(dev);
     if (acpi_get_type(dev) == ACPI_TYPE_DEVICE && !acpi_disabled("button")) {
-	if (acpi_MatchHid(dev, "PNP0C0C")) {
+	if (acpi_MatchHid(h, "PNP0C0C")) {
 	    device_set_desc(dev, "Power Button");
 	    sc->button_type = ACPI_POWER_BUTTON;
 	    ret = 0;
-	} else if (acpi_MatchHid(dev, "ACPI_FPB")) {
+	} else if (acpi_MatchHid(h, "ACPI_FPB")) {
 	    device_set_desc(dev, "Power Button (fixed)");
 	    sc->button_type = ACPI_POWER_BUTTON;
 	    sc->fixed = 1;
 	    ret = 0;
-	} else if (acpi_MatchHid(dev, "PNP0C0E")) {
+	} else if (acpi_MatchHid(h, "PNP0C0E")) {
 	    device_set_desc(dev, "Sleep Button");
 	    sc->button_type = ACPI_SLEEP_BUTTON;
 	    ret = 0;
-	} else if (acpi_MatchHid(dev, "ACPI_FSB")) {
+	} else if (acpi_MatchHid(h, "ACPI_FSB")) {
 	    device_set_desc(dev, "Sleep Button (fixed)");
 	    sc->button_type = ACPI_SLEEP_BUTTON;
 	    sc->fixed = 1;