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Date:      Sun, 24 May 2015 17:51:58 +0000 (UTC)
From:      Ian Lepore <ian@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r283477 - in stable/10/sys: conf dev/fdt dev/ofw
Message-ID:  <201505241751.t4OHpwq8034885@svn.freebsd.org>

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Author: ian
Date: Sun May 24 17:51:57 2015
New Revision: 283477
URL: https://svnweb.freebsd.org/changeset/base/283477

Log:
  MFC r279368, r280772, r280848:
  
    Allow creating subclass of FDT simplebus
  
    Make simplebus a base class of ofwbus.
  
    Fix bug in xrefinfo_find() for 64-bit platforms

Added:
  stable/10/sys/dev/fdt/simplebus.h
     - copied, changed from r279368, head/sys/dev/fdt/simplebus.h
Modified:
  stable/10/sys/conf/files.powerpc
  stable/10/sys/dev/fdt/simplebus.c
  stable/10/sys/dev/ofw/ofwbus.c
  stable/10/sys/dev/ofw/openfirm.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/conf/files.powerpc
==============================================================================
--- stable/10/sys/conf/files.powerpc	Sun May 24 17:49:09 2015	(r283476)
+++ stable/10/sys/conf/files.powerpc	Sun May 24 17:51:57 2015	(r283477)
@@ -29,6 +29,8 @@ dev/adb/adb_buttons.c		optional	adb
 dev/agp/agp_apple.c		optional	agp powermac
 dev/fb/fb.c			optional	sc
 dev/fdt/fdt_powerpc.c		optional	fdt
+# ofwbus depends on simplebus.
+dev/fdt/simplebus.c		optional	aim | fdt
 dev/hwpmc/hwpmc_powerpc.c	optional	hwpmc
 dev/hwpmc/hwpmc_mpc7xxx.c	optional	hwpmc
 dev/hwpmc/hwpmc_ppc970.c	optional	hwpmc

Modified: stable/10/sys/dev/fdt/simplebus.c
==============================================================================
--- stable/10/sys/dev/fdt/simplebus.c	Sun May 24 17:49:09 2015	(r283476)
+++ stable/10/sys/dev/fdt/simplebus.c	Sun May 24 17:51:57 2015	(r283477)
@@ -38,26 +38,7 @@ __FBSDID("$FreeBSD$");
 #include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_bus_subr.h>
 
-struct simplebus_range {
-	uint64_t bus;
-	uint64_t host;
-	uint64_t size;
-};
-
-struct simplebus_softc {
-	device_t dev;
-	phandle_t node;
-
-	struct simplebus_range *ranges;
-	int nranges;
-
-	pcell_t acells, scells;
-};
-
-struct simplebus_devinfo {
-	struct ofw_bus_devinfo	obdinfo;
-	struct resource_list	rl;
-};
+#include <dev/fdt/simplebus.h>
 
 /*
  * Bus interface.
@@ -68,7 +49,10 @@ static struct resource *simplebus_alloc_
     int *, u_long, u_long, u_long, u_int);
 static void		simplebus_probe_nomatch(device_t bus, device_t child);
 static int		simplebus_print_child(device_t bus, device_t child);
-
+static device_t		simplebus_add_child(device_t dev, u_int order,
+    const char *name, int unit);
+static struct resource_list *simplebus_get_resource_list(device_t bus,
+    device_t child);
 /*
  * ofw_bus interface
  */
@@ -81,8 +65,6 @@ static const struct ofw_bus_devinfo *sim
 
 static int simplebus_fill_ranges(phandle_t node,
     struct simplebus_softc *sc);
-static struct simplebus_devinfo *simplebus_setup_dinfo(device_t dev,
-    phandle_t node);
 
 /*
  * Driver methods.
@@ -91,10 +73,17 @@ static device_method_t	simplebus_methods
 	/* Device interface */
 	DEVMETHOD(device_probe,		simplebus_probe),
 	DEVMETHOD(device_attach,	simplebus_attach),
+	DEVMETHOD(device_detach,	bus_generic_detach),
+	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
+	DEVMETHOD(device_suspend,	bus_generic_suspend),
+	DEVMETHOD(device_resume,	bus_generic_resume),
 
 	/* Bus interface */
+	DEVMETHOD(bus_add_child,	simplebus_add_child),
 	DEVMETHOD(bus_print_child,	simplebus_print_child),
 	DEVMETHOD(bus_probe_nomatch,	simplebus_probe_nomatch),
+	DEVMETHOD(bus_read_ivar,	bus_generic_read_ivar),
+	DEVMETHOD(bus_write_ivar,	bus_generic_write_ivar),
 	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
 	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
 	DEVMETHOD(bus_alloc_resource,	simplebus_alloc_resource),
@@ -102,7 +91,10 @@ static device_method_t	simplebus_methods
 	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
 	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
 	DEVMETHOD(bus_adjust_resource,	bus_generic_adjust_resource),
+	DEVMETHOD(bus_set_resource,	bus_generic_rl_set_resource),
+	DEVMETHOD(bus_get_resource,	bus_generic_rl_get_resource),
 	DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
+	DEVMETHOD(bus_get_resource_list, simplebus_get_resource_list),
 
 	/* ofw_bus interface */
 	DEVMETHOD(ofw_bus_get_devinfo,	simplebus_get_devinfo),
@@ -115,11 +107,9 @@ static device_method_t	simplebus_methods
 	DEVMETHOD_END
 };
 
-static driver_t simplebus_driver = {
-	"simplebus",
-	simplebus_methods,
-	sizeof(struct simplebus_softc)
-};
+DEFINE_CLASS_0(simplebus, simplebus_driver, simplebus_methods,
+    sizeof(struct simplebus_softc));
+
 static devclass_t simplebus_devclass;
 EARLY_DRIVER_MODULE(simplebus, ofwbus, simplebus_driver, simplebus_devclass,
     0, 0, BUS_PASS_BUS);
@@ -153,13 +143,33 @@ static int
 simplebus_attach(device_t dev)
 {
 	struct		simplebus_softc *sc;
-	struct		simplebus_devinfo *di;
 	phandle_t	node;
-	device_t	cdev;
 
-	node = ofw_bus_get_node(dev);
 	sc = device_get_softc(dev);
+	simplebus_init(dev, 0);
+	if (simplebus_fill_ranges(sc->node, sc) < 0) {
+		device_printf(dev, "could not get ranges\n");
+		return (ENXIO);
+	}
 
+	/*
+	 * In principle, simplebus could have an interrupt map, but ignore that
+	 * for now
+	 */
+
+	for (node = OF_child(sc->node); node > 0; node = OF_peer(node))
+		simplebus_add_device(dev, node, 0, NULL, -1, NULL);
+	return (bus_generic_attach(dev));
+}
+
+void
+simplebus_init(device_t dev, phandle_t node)
+{
+	struct simplebus_softc *sc;
+
+	sc = device_get_softc(dev);
+	if (node == 0)
+		node = ofw_bus_get_node(dev);
 	sc->dev = dev;
 	sc->node = node;
 
@@ -170,33 +180,6 @@ simplebus_attach(device_t dev)
 	OF_getencprop(node, "#address-cells", &sc->acells, sizeof(sc->acells));
 	sc->scells = 1;
 	OF_getencprop(node, "#size-cells", &sc->scells, sizeof(sc->scells));
-
-	if (simplebus_fill_ranges(node, sc) < 0) {
-		device_printf(dev, "could not get ranges\n");
-		return (ENXIO);
-	}
-
-	/*
-	 * In principle, simplebus could have an interrupt map, but ignore that
-	 * for now
-	 */
-
-	for (node = OF_child(node); node > 0; node = OF_peer(node)) {
-		if ((di = simplebus_setup_dinfo(dev, node)) == NULL)
-			continue;
-		cdev = device_add_child(dev, NULL, -1);
-		if (cdev == NULL) {
-			device_printf(dev, "<%s>: device_add_child failed\n",
-			    di->obdinfo.obd_name);
-			resource_list_free(&di->rl);
-			ofw_bus_gen_destroy_devinfo(&di->obdinfo);
-			free(di, M_DEVBUF);
-			continue;
-		}
-		device_set_ivars(cdev, di);
-	}
-
-	return (bus_generic_attach(dev));
 }
 
 static int
@@ -248,17 +231,21 @@ simplebus_fill_ranges(phandle_t node, st
 	return (sc->nranges);
 }
 
-static struct simplebus_devinfo *
-simplebus_setup_dinfo(device_t dev, phandle_t node)
+struct simplebus_devinfo *
+simplebus_setup_dinfo(device_t dev, phandle_t node,
+    struct simplebus_devinfo *di)
 {
 	struct simplebus_softc *sc;
 	struct simplebus_devinfo *ndi;
 
 	sc = device_get_softc(dev);
-
-	ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
+	if (di == NULL)
+		ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
+	else
+		ndi = di;
 	if (ofw_bus_gen_setup_devinfo(&ndi->obdinfo, node) != 0) {
-		free(ndi, M_DEVBUF);
+		if (di == NULL)
+			free(ndi, M_DEVBUF);
 		return (NULL);
 	}
 
@@ -269,6 +256,48 @@ simplebus_setup_dinfo(device_t dev, phan
 	return (ndi);
 }
 
+device_t
+simplebus_add_device(device_t dev, phandle_t node, u_int order,
+    const char *name, int unit, struct simplebus_devinfo *di)
+{
+	struct simplebus_devinfo *ndi;
+	device_t cdev;
+
+	if ((ndi = simplebus_setup_dinfo(dev, node, di)) == NULL)
+		return (NULL);
+	cdev = device_add_child_ordered(dev, order, name, unit);
+	if (cdev == NULL) {
+		device_printf(dev, "<%s>: device_add_child failed\n",
+		    ndi->obdinfo.obd_name);
+		resource_list_free(&ndi->rl);
+		ofw_bus_gen_destroy_devinfo(&ndi->obdinfo);
+		if (di == NULL)
+			free(ndi, M_DEVBUF);
+		return (NULL);
+	}
+	device_set_ivars(cdev, ndi);
+
+	return(cdev);
+}
+
+static device_t
+simplebus_add_child(device_t dev, u_int order, const char *name, int unit)
+{
+	device_t cdev;
+	struct simplebus_devinfo *ndi;
+
+	cdev = device_add_child_ordered(dev, order, name, unit);
+	if (cdev == NULL)
+		return (NULL);
+
+	ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
+	ndi->obdinfo.obd_node = -1;
+	resource_list_init(&ndi->rl);
+	device_set_ivars(cdev, ndi);
+
+	return (cdev);
+}
+
 static const struct ofw_bus_devinfo *
 simplebus_get_devinfo(device_t bus __unused, device_t child)
 {
@@ -278,6 +307,15 @@ simplebus_get_devinfo(device_t bus __unu
         return (&ndi->obdinfo);
 }
 
+static struct resource_list *
+simplebus_get_resource_list(device_t bus __unused, device_t child)
+{
+	struct simplebus_devinfo *ndi;
+
+	ndi = device_get_ivars(child);
+	return (&ndi->rl);
+}
+
 static struct resource *
 simplebus_alloc_resource(device_t bus, device_t child, int type, int *rid,
     u_long start, u_long end, u_long count, u_int flags)
@@ -356,9 +394,11 @@ simplebus_probe_nomatch(device_t bus, de
 	if (!bootverbose)
 		return;
 
+	compat = ofw_bus_get_compat(child);
+	if (compat == NULL)
+		return;
 	name = ofw_bus_get_name(child);
 	type = ofw_bus_get_type(child);
-	compat = ofw_bus_get_compat(child);
 
 	device_printf(bus, "<%s>", name != NULL ? name : "unknown");
 	simplebus_print_res(device_get_ivars(child));
@@ -366,9 +406,7 @@ simplebus_probe_nomatch(device_t bus, de
 		printf(" disabled");
 	if (type)
 		printf(" type %s", type);
-	if (compat)
-		printf(" compat %s", compat);
-	printf(" (no driver attached)\n");
+	printf(" compat %s (no driver attached)\n", compat);
 }
 
 static int

Copied and modified: stable/10/sys/dev/fdt/simplebus.h (from r279368, head/sys/dev/fdt/simplebus.h)
==============================================================================
--- head/sys/dev/fdt/simplebus.h	Fri Feb 27 20:11:02 2015	(r279368, copy source)
+++ stable/10/sys/dev/fdt/simplebus.h	Sun May 24 17:51:57 2015	(r283477)
@@ -26,8 +26,10 @@
  * $FreeBSD$
  */
 
-#ifndef	_FDT_SIMPLEBUS_PRIVATE_H
-#define	_FDT_SIMPLEBUS_PRIVATE_H
+#ifndef	_FDT_SIMPLEBUS_H
+#define	_FDT_SIMPLEBUS_H
+
+#include <dev/ofw/ofw_bus.h>
 
 /* FDT simplebus */
 DECLARE_CLASS(simplebus_driver);
@@ -53,4 +55,10 @@ struct simplebus_devinfo {
 	struct ofw_bus_devinfo	obdinfo;
 	struct resource_list	rl;
 };
-#endif	/* _FDT_SIMPLEBUS_PRIVATE_H */
+
+void simplebus_init(device_t dev, phandle_t node);
+device_t simplebus_add_device(device_t dev, phandle_t node, u_int order,
+    const char *name, int unit, struct simplebus_devinfo *di);
+struct simplebus_devinfo *simplebus_setup_dinfo(device_t dev, phandle_t node,
+    struct simplebus_devinfo *di);
+#endif	/* _FDT_SIMPLEBUS_H */

Modified: stable/10/sys/dev/ofw/ofwbus.c
==============================================================================
--- stable/10/sys/dev/ofw/ofwbus.c	Sun May 24 17:49:09 2015	(r283476)
+++ stable/10/sys/dev/ofw/ofwbus.c	Sun May 24 17:51:57 2015	(r283477)
@@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
 #include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_bus_subr.h>
 #include <dev/ofw/openfirm.h>
+#include <dev/fdt/simplebus.h>
 
 #include <machine/bus.h>
 #include <machine/resource.h>
@@ -62,13 +63,8 @@ __FBSDID("$FreeBSD$");
  *
  */
 
-struct ofwbus_devinfo {
-	struct ofw_bus_devinfo	ndi_obdinfo;
-	struct resource_list	ndi_rl;
-};
-
 struct ofwbus_softc {
-	uint32_t	acells, scells;
+	struct simplebus_softc simplebus_sc;
 	struct rman	sc_intr_rman;
 	struct rman	sc_mem_rman;
 };
@@ -76,113 +72,31 @@ struct ofwbus_softc {
 static device_identify_t ofwbus_identify;
 static device_probe_t ofwbus_probe;
 static device_attach_t ofwbus_attach;
-static bus_print_child_t ofwbus_print_child;
-static bus_add_child_t ofwbus_add_child;
-static bus_probe_nomatch_t ofwbus_probe_nomatch;
 static bus_alloc_resource_t ofwbus_alloc_resource;
 static bus_adjust_resource_t ofwbus_adjust_resource;
 static bus_release_resource_t ofwbus_release_resource;
-static bus_get_resource_list_t ofwbus_get_resource_list;
-static ofw_bus_get_devinfo_t ofwbus_get_devinfo;
-
-static int ofwbus_inlist(const char *, const char *const *);
-static struct ofwbus_devinfo * ofwbus_setup_dinfo(device_t, phandle_t);
-static void ofwbus_destroy_dinfo(struct ofwbus_devinfo *);
-static int ofwbus_print_res(struct ofwbus_devinfo *);
 
 static device_method_t ofwbus_methods[] = {
 	/* Device interface */
 	DEVMETHOD(device_identify,	ofwbus_identify),
 	DEVMETHOD(device_probe,		ofwbus_probe),
 	DEVMETHOD(device_attach,	ofwbus_attach),
-	DEVMETHOD(device_detach,	bus_generic_detach),
-	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
-	DEVMETHOD(device_suspend,	bus_generic_suspend),
-	DEVMETHOD(device_resume,	bus_generic_resume),
 
 	/* Bus interface */
-	DEVMETHOD(bus_print_child,	ofwbus_print_child),
-	DEVMETHOD(bus_probe_nomatch,	ofwbus_probe_nomatch),
-	DEVMETHOD(bus_read_ivar,	bus_generic_read_ivar),
-	DEVMETHOD(bus_write_ivar,	bus_generic_write_ivar),
-	DEVMETHOD(bus_add_child,	ofwbus_add_child),
-	DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
 	DEVMETHOD(bus_alloc_resource,	ofwbus_alloc_resource),
 	DEVMETHOD(bus_adjust_resource,	ofwbus_adjust_resource),
 	DEVMETHOD(bus_release_resource,	ofwbus_release_resource),
-	DEVMETHOD(bus_set_resource,	bus_generic_rl_set_resource),
-	DEVMETHOD(bus_get_resource,	bus_generic_rl_get_resource),
-	DEVMETHOD(bus_get_resource_list, ofwbus_get_resource_list),
-	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
-	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
-	DEVMETHOD(bus_config_intr,	bus_generic_config_intr),
-	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
-	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
-
-	/* ofw_bus interface */
-	DEVMETHOD(ofw_bus_get_devinfo,	ofwbus_get_devinfo),
-	DEVMETHOD(ofw_bus_get_compat,	ofw_bus_gen_get_compat),
-	DEVMETHOD(ofw_bus_get_model,	ofw_bus_gen_get_model),
-	DEVMETHOD(ofw_bus_get_name,	ofw_bus_gen_get_name),
-	DEVMETHOD(ofw_bus_get_node,	ofw_bus_gen_get_node),
-	DEVMETHOD(ofw_bus_get_type,	ofw_bus_gen_get_type),
 
 	DEVMETHOD_END
 };
 
-static driver_t ofwbus_driver = {
-	"ofwbus",
-	ofwbus_methods,
-	sizeof(struct ofwbus_softc)
-};
+DEFINE_CLASS_1(ofwbus, ofwbus_driver, ofwbus_methods,
+    sizeof(struct ofwbus_softc), simplebus_driver);
 static devclass_t ofwbus_devclass;
 EARLY_DRIVER_MODULE(ofwbus, nexus, ofwbus_driver, ofwbus_devclass, 0, 0,
     BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
 MODULE_VERSION(ofwbus, 1);
 
-static const char *const ofwbus_excl_name[] = {
-	"FJSV,system",
-	"aliases",
-	"associations",
-	"chosen",
-	"cmp",
-	"counter-timer",	/* No separate device; handled by psycho/sbus */
-	"failsafe",
-	"memory",
-	"openprom",
-	"options",
-	"packages",
-	"physical-memory",
-	"rsc",
-	"sgcn",
-	"todsg",
-	"virtual-memory",
-	NULL
-};
-
-static const char *const ofwbus_excl_type[] = {
-	"core",
-	"cpu",
-	NULL
-};
-
-static int
-ofwbus_inlist(const char *name, const char *const *list)
-{
-	int i;
-
-	if (name == NULL)
-		return (0);
-	for (i = 0; list[i] != NULL; i++)
-		if (strcmp(name, list[i]) == 0)
-			return (1);
-	return (0);
-}
-
-#define	OFWBUS_EXCLUDED(name, type)					\
-	(ofwbus_inlist((name), ofwbus_excl_name) ||			\
-	((type) != NULL && ofwbus_inlist((type), ofwbus_excl_type)))
-
 static void
 ofwbus_identify(driver_t *driver, device_t parent)
 {
@@ -190,7 +104,7 @@ ofwbus_identify(driver_t *driver, device
 	/* Check if Open Firmware has been instantiated */
 	if (OF_peer(0) == -1)
 		return;
-        
+
 	if (device_find_child(parent, "ofwbus", -1) == NULL)
 		BUS_ADD_CHILD(parent, 0, "ofwbus", -1);
 }
@@ -206,10 +120,9 @@ ofwbus_probe(device_t dev)
 static int
 ofwbus_attach(device_t dev)
 {
-	struct ofwbus_devinfo *ndi;
 	struct ofwbus_softc *sc;
-	device_t cdev;
 	phandle_t node;
+	struct ofw_bus_devinfo obd;
 
 	sc = device_get_softc(dev);
 
@@ -221,6 +134,11 @@ ofwbus_attach(device_t dev)
 	if (node == -1)
 		return (ENXIO);
 
+	/*
+	 * ofwbus bus starts on unamed node in FDT, so we cannot make
+	 * ofw_bus_devinfo from it. Pass node to simplebus_init directly.
+	 */
+	simplebus_init(dev, node);
 	sc->sc_intr_rman.rm_type = RMAN_ARRAY;
 	sc->sc_intr_rman.rm_descr = "Interrupts";
 	sc->sc_mem_rman.rm_type = RMAN_ARRAY;
@@ -237,78 +155,16 @@ ofwbus_attach(device_t dev)
 	bus_generic_probe(dev);
 
 	/*
-	 * Some important numbers
-	 */
-	sc->acells = 2;
-	OF_getencprop(node, "#address-cells", &sc->acells, sizeof(sc->acells));
-	sc->scells = 1;
-	OF_getencprop(node, "#size-cells", &sc->scells, sizeof(sc->scells));
-
-	/*
 	 * Now walk the OFW tree and attach top-level devices.
 	 */
 	for (node = OF_child(node); node > 0; node = OF_peer(node)) {
-		if ((ndi = ofwbus_setup_dinfo(dev, node)) == NULL)
+		if (ofw_bus_gen_setup_devinfo(&obd, node) != 0)
 			continue;
-		cdev = device_add_child(dev, NULL, -1);
-		if (cdev == NULL) {
-			device_printf(dev, "<%s>: device_add_child failed\n",
-			    ndi->ndi_obdinfo.obd_name);
-			ofwbus_destroy_dinfo(ndi);
-			continue;
-		}
-		device_set_ivars(cdev, ndi);
+		simplebus_add_device(dev, node, 0, NULL, -1, NULL);
 	}
 	return (bus_generic_attach(dev));
 }
 
-static device_t
-ofwbus_add_child(device_t dev, u_int order, const char *name, int unit)
-{
-	device_t cdev;
-	struct ofwbus_devinfo *ndi;
-
-	cdev = device_add_child_ordered(dev, order, name, unit);
-	if (cdev == NULL)
-		return (NULL);
-
-	ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
-	ndi->ndi_obdinfo.obd_node = -1;
-	resource_list_init(&ndi->ndi_rl);
-	device_set_ivars(cdev, ndi);
-
-	return (cdev);
-}
-
-static int
-ofwbus_print_child(device_t bus, device_t child)
-{
-	int rv;
-
-	rv = bus_print_child_header(bus, child);
-	rv += ofwbus_print_res(device_get_ivars(child));
-	rv += bus_print_child_footer(bus, child);
-	return (rv);
-}
-
-static void
-ofwbus_probe_nomatch(device_t bus, device_t child)
-{
-	const char *name, *type;
-
-	if (!bootverbose)
-		return;
-
-	name = ofw_bus_get_name(child);
-	type = ofw_bus_get_type(child);
-
-	device_printf(bus, "<%s>",
-	    name != NULL ? name : "unknown");
-	ofwbus_print_res(device_get_ivars(child));
-	printf(" type %s (no driver attached)\n",
-	    type != NULL ? type : "unknown");
-}
-
 static struct resource *
 ofwbus_alloc_resource(device_t bus, device_t child, int type, int *rid,
     u_long start, u_long end, u_long count, u_int flags)
@@ -323,14 +179,15 @@ ofwbus_alloc_resource(device_t bus, devi
 	passthrough = (device_get_parent(child) != bus);
 	sc = device_get_softc(bus);
 	rle = NULL;
-
 	if (!passthrough && isdefault) {
 		rle = resource_list_find(BUS_GET_RESOURCE_LIST(bus, child),
 		    type, *rid);
-		if (rle == NULL)
+		if (rle == NULL) {
+			if (bootverbose)
+				device_printf(bus, "no default resources for "
+				    "rid = %d, type = %d\n", *rid, type);
 			return (NULL);
-		if (rle->res != NULL)
-			panic("%s: resource entry is busy", __func__);
+		}
 		start = rle->start;
 		count = ulmax(count, rle->count);
 		end = ulmax(rle->end, start + count - 1);
@@ -417,72 +274,3 @@ ofwbus_release_resource(device_t bus, de
 	}
 	return (rman_release_resource(r));
 }
-
-static struct resource_list *
-ofwbus_get_resource_list(device_t bus __unused, device_t child)
-{
-	struct ofwbus_devinfo *ndi;
-
-	ndi = device_get_ivars(child);
-	return (&ndi->ndi_rl);
-}
-
-static const struct ofw_bus_devinfo *
-ofwbus_get_devinfo(device_t bus __unused, device_t child)
-{
-	struct ofwbus_devinfo *ndi;
-
-	ndi = device_get_ivars(child);
-	return (&ndi->ndi_obdinfo);
-}
-
-static struct ofwbus_devinfo *
-ofwbus_setup_dinfo(device_t dev, phandle_t node)
-{
-	struct ofwbus_softc *sc;
-	struct ofwbus_devinfo *ndi;
-	const char *nodename;
-
-	sc = device_get_softc(dev);
-
-	ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO);
-	if (ofw_bus_gen_setup_devinfo(&ndi->ndi_obdinfo, node) != 0) {
-		free(ndi, M_DEVBUF);
-		return (NULL);
-	}
-	nodename = ndi->ndi_obdinfo.obd_name;
-	if (OFWBUS_EXCLUDED(nodename, ndi->ndi_obdinfo.obd_type)) {
-		ofw_bus_gen_destroy_devinfo(&ndi->ndi_obdinfo);
-		free(ndi, M_DEVBUF);
-		return (NULL);
-	}
-
-	resource_list_init(&ndi->ndi_rl);
-	ofw_bus_reg_to_rl(dev, node, sc->acells, sc->scells, &ndi->ndi_rl);
-	ofw_bus_intr_to_rl(dev, node, &ndi->ndi_rl);
-
-	return (ndi);
-}
-
-static void
-ofwbus_destroy_dinfo(struct ofwbus_devinfo *ndi)
-{
-
-	resource_list_free(&ndi->ndi_rl);
-	ofw_bus_gen_destroy_devinfo(&ndi->ndi_obdinfo);
-	free(ndi, M_DEVBUF);
-}
-
-static int
-ofwbus_print_res(struct ofwbus_devinfo *ndi)
-{
-	int rv;
-
-	rv = 0;
-	rv += resource_list_print_type(&ndi->ndi_rl, "mem", SYS_RES_MEMORY,
-	    "%#lx");
-	rv += resource_list_print_type(&ndi->ndi_rl, "irq", SYS_RES_IRQ,
-	    "%ld");
-	return (rv);
-}
-

Modified: stable/10/sys/dev/ofw/openfirm.c
==============================================================================
--- stable/10/sys/dev/ofw/openfirm.c	Sun May 24 17:49:09 2015	(r283476)
+++ stable/10/sys/dev/ofw/openfirm.c	Sun May 24 17:51:57 2015	(r283477)
@@ -154,16 +154,16 @@ xrefinfo_init(void *unsed)
 SYSINIT(xrefinfo, SI_SUB_KMEM, SI_ORDER_ANY, xrefinfo_init, NULL);
 
 static struct xrefinfo *
-xrefinfo_find(phandle_t phandle, int find_by)
+xrefinfo_find(uintptr_t key, int find_by)
 {
 	struct xrefinfo *rv, *xi;
 
 	rv = NULL;
 	mtx_lock(&xreflist_lock);
 	SLIST_FOREACH(xi, &xreflist, next_entry) {
-		if ((find_by == FIND_BY_XREF && phandle == xi->xref) ||
-		    (find_by == FIND_BY_NODE && phandle == xi->node) ||
-		    (find_by == FIND_BY_DEV && phandle == (uintptr_t)xi->dev)) {
+		if ((find_by == FIND_BY_XREF && (phandle_t)key == xi->xref) ||
+		    (find_by == FIND_BY_NODE && (phandle_t)key == xi->node) ||
+		    (find_by == FIND_BY_DEV && key == (uintptr_t)xi->dev)) {
 			rv = xi;
 			break;
 		}



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