Implement better support for USB controller suspend and resume.

This patch should remove the need for kldunload of USB
controller drivers at suspend and kldload of USB controller
drivers at resume.

This patch also fixes some build issues in avr32dci.c

MFC after:	2 weeks

1 files changed, 8 insertions, 50 deletions

diff --git a/sys/mips/rmi/xls_ehci.c b/sys/mips/rmi/xls_ehci.c
index 4870872..c4ae065 100644
--- a/sys/mips/rmi/xls_ehci.c
+++ b/sys/mips/rmi/xls_ehci.c
@@ -69,50 +69,8 @@ __FBSDID("$FreeBSD$");
 #include <dev/usb/controller/ehcireg.h>
 #include <mips/rmi/pic.h>
 
-static int ehci_xls_attach(device_t self);
-static int ehci_xls_detach(device_t self);
-static int ehci_xls_shutdown(device_t self);
-static int ehci_xls_suspend(device_t self);
-static int ehci_xls_resume(device_t self);
-
-static int
-ehci_xls_suspend(device_t self)
-{
-	ehci_softc_t *sc = device_get_softc(self);
-	int err;
-
-	err = bus_generic_suspend(self);
-	if (err)
-		return (err);
-	ehci_suspend(sc);
-	return (0);
-}
-
-static int
-ehci_xls_resume(device_t self)
-{
-	ehci_softc_t *sc = device_get_softc(self);
-
-	ehci_resume(sc);
-
-	bus_generic_resume(self);
-
-	return (0);
-}
-
-static int
-ehci_xls_shutdown(device_t self)
-{
-	ehci_softc_t *sc = device_get_softc(self);
-	int err;
-
-	err = bus_generic_shutdown(self);
-	if (err)
-		return (err);
-	ehci_shutdown(sc);
-
-	return (0);
-}
+static device_attach_t ehci_xls_attach;
+static device_detach_t ehci_xls_detach;
 
 static const char *xlr_usb_dev_desc = "RMI XLR USB 2.0 controller";
 static const char *xlr_vendor_desc = "RMI Corp";
@@ -248,17 +206,17 @@ static device_method_t ehci_methods[] = {
 	DEVMETHOD(device_probe, ehci_xls_probe),
 	DEVMETHOD(device_attach, ehci_xls_attach),
 	DEVMETHOD(device_detach, ehci_xls_detach),
-	DEVMETHOD(device_suspend, ehci_xls_suspend),
-	DEVMETHOD(device_resume, ehci_xls_resume),
-	DEVMETHOD(device_shutdown, ehci_xls_shutdown),
+	DEVMETHOD(device_suspend, bus_generic_suspend),
+	DEVMETHOD(device_resume, bus_generic_resume),
+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
 
 	DEVMETHOD_END
 };
 
 static driver_t ehci_driver = {
-	"ehci",
-	ehci_methods,
-	sizeof(struct ehci_softc),
+	.name = "ehci",
+	.methods = ehci_methods,
+	.size = sizeof(struct ehci_softc),
 };
 
 static devclass_t ehci_devclass;