[SPARC64]: Convert sparc64 PCI layer to in-kernel device tree.

One thing this change pointed out was that we really should
pull the "get 'local-mac-address' property" logic into a helper
function all the network drivers can call.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/kernel/ebus.c

@@ -553,7 +553,7 @@ void __init ebus_init(void)
 	}
 
 	cookie = pdev->sysdata;
-	ebusnd = cookie->prom_node;
+	ebusnd = cookie->prom_node->node;
 
 	ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus));
 	ebus->next = NULL;
@@ -578,7 +578,7 @@ void __init ebus_init(void)
 			}
 			ebus->is_rio = is_rio;
 			cookie = pdev->sysdata;
-			ebusnd = cookie->prom_node;
+			ebusnd = cookie->prom_node->node;
 			continue;
 		}
 		printk("ebus%d:", num_ebus);
@@ -622,7 +622,7 @@ void __init ebus_init(void)
 			break;
 
 		cookie = pdev->sysdata;
-		ebusnd = cookie->prom_node;
+		ebusnd = cookie->prom_node->node;
 
 		ebus->next = ebus_alloc(sizeof(struct linux_ebus));
 		ebus = ebus->next;

arch/sparc64/kernel/isa.c

@@ -291,8 +291,8 @@ void __init isa_init(void)
 		isa_br->parent = pbm;
 		isa_br->self = pdev;
 		isa_br->index = index++;
-		isa_br->prom_node = pdev_cookie->prom_node;
-		strncpy(isa_br->prom_name, pdev_cookie->prom_name,
+		isa_br->prom_node = pdev_cookie->prom_node->node;
+		strncpy(isa_br->prom_name, pdev_cookie->prom_node->name,
 			sizeof(isa_br->prom_name));
 
 		prop_len = prom_getproperty(isa_br->prom_node,

arch/sparc64/kernel/pci_impl.h

@@ -10,6 +10,7 @@
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <asm/io.h>
+#include <asm/prom.h>
 
 extern struct pci_controller_info *pci_controller_root;
 
@@ -19,7 +20,7 @@ extern int pci_num_controllers;
 extern void pci_fixup_host_bridge_self(struct pci_bus *pbus);
 extern void pci_fill_in_pbm_cookies(struct pci_bus *pbus,
 				    struct pci_pbm_info *pbm,
-				    int prom_node);
+				    struct device_node *prom_node);
 extern void pci_record_assignments(struct pci_pbm_info *pbm,
 				   struct pci_bus *pbus);
 extern void pci_assign_unassigned(struct pci_pbm_info *pbm,

arch/sparc64/kernel/pci_psycho.c

@@ -1104,7 +1104,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 	pci_fixup_host_bridge_self(pbm->pci_bus);
 	pbm->pci_bus->self->sysdata = cookie;
 
-	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node);
+	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
 	pci_record_assignments(pbm, pbm->pci_bus);
 	pci_assign_unassigned(pbm, pbm->pci_bus);
 	pci_fixup_irq(pbm, pbm->pci_bus);

arch/sparc64/kernel/pci_sabre.c

@@ -1161,7 +1161,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
 
 		pbus->sysdata = pbm;
 		pbm->pci_bus = pbus;
-		pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node->node);
+		pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node);
 		pci_record_assignments(pbm, pbus);
 		pci_assign_unassigned(pbm, pbus);
 		pci_fixup_irq(pbm, pbus);
@@ -1174,7 +1174,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
 		pbm = &p->pbm_A;
 		sabre_bus->sysdata = pbm;
 		pbm->pci_bus = sabre_bus;
-		pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node->node);
+		pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node);
 		pci_record_assignments(pbm, sabre_bus);
 		pci_assign_unassigned(pbm, sabre_bus);
 		pci_fixup_irq(pbm, sabre_bus);

arch/sparc64/kernel/pci_schizo.c

@@ -1438,7 +1438,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 	pci_fixup_host_bridge_self(pbm->pci_bus);
 	pbm->pci_bus->self->sysdata = cookie;
 
-	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node);
+	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
 	pci_record_assignments(pbm, pbm->pci_bus);
 	pci_assign_unassigned(pbm, pbm->pci_bus);
 	pci_fixup_irq(pbm, pbm->pci_bus);

arch/sparc64/kernel/pci_sun4v.c

@@ -814,8 +814,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
 	pci_fixup_host_bridge_self(pbm->pci_bus);
 	pbm->pci_bus->self->sysdata = cookie;
 #endif
-	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm,
-				pbm->prom_node->node);
+	pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
 	pci_record_assignments(pbm, pbm->pci_bus);
 	pci_assign_unassigned(pbm, pbm->pci_bus);
 	pci_fixup_irq(pbm, pbm->pci_bus);

arch/sparc64/kernel/prom.c

@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/bootmem.h>
+#include <linux/module.h>
 
 #include <asm/prom.h>
 #include <asm/oplib.h>
@@ -63,6 +64,17 @@ struct device_node *of_find_node_by_path(const char *path)
 	return np;
 }
 
+struct device_node *of_find_node_by_phandle(phandle handle)
+{
+	struct device_node *np;
+
+	for (np = allnodes; np != 0; np = np->allnext)
+		if (np->node == handle)
+			break;
+
+	return np;
+}
+
 struct device_node *of_find_node_by_name(struct device_node *from,
 	const char *name)
 {
@@ -103,6 +115,18 @@ struct property *of_find_property(struct device_node *np, const char *name,
 	}
 	return pp;
 }
+EXPORT_SYMBOL(of_find_property);
+
+/*
+ * Find a property with a given name for a given node
+ * and return the value.
+ */
+void *of_get_property(struct device_node *np, const char *name, int *lenp)
+{
+	struct property *pp = of_find_property(np,name,lenp);
+	return pp ? pp->value : NULL;
+}
+EXPORT_SYMBOL(of_get_property);
 
 int of_getintprop_default(struct device_node *np, const char *name, int def)
 {
@@ -115,6 +139,7 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
 
 	return *(int *) prop->value;
 }
+EXPORT_SYMBOL(of_getintprop_default);
 
 static unsigned int prom_early_allocated;
 

drivers/net/sungem.c

@@ -2880,17 +2880,20 @@ static int __devinit gem_get_device_address(struct gem *gp)
 #if defined(__sparc__)
 	struct pci_dev *pdev = gp->pdev;
 	struct pcidev_cookie *pcp = pdev->sysdata;
-	int node = -1;
+	int use_idprom = 1;
 
 	if (pcp != NULL) {
-		node = pcp->prom_node;
-		if (prom_getproplen(node, "local-mac-address") == 6)
-			prom_getproperty(node, "local-mac-address",
-					 dev->dev_addr, 6);
-		else
-			node = -1;
+		unsigned char *addr;
+		int len;
+
+		addr = of_get_property(pcp->prom_node, "local-mac-address",
+				       &len);
+		if (addr && len == 6) {
+			use_idprom = 0;
+			memcpy(dev->dev_addr, addr, 6);
+		}
 	}
-	if (node == -1)
+	if (use_idprom)
 		memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
 #elif defined(CONFIG_PPC_PMAC)
 	unsigned char *addr;

drivers/net/sunhme.c

@@ -3013,7 +3013,6 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev)
 	struct quattro *qp = NULL;
 #ifdef __sparc__
 	struct pcidev_cookie *pcp;
-	int node;
 #endif
 	struct happy_meal *hp;
 	struct net_device *dev;
@@ -3026,13 +3025,12 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev)
 	/* Now make sure pci_dev cookie is there. */
 #ifdef __sparc__
 	pcp = pdev->sysdata;
-	if (pcp == NULL || pcp->prom_node == -1) {
+	if (pcp == NULL) {
 		printk(KERN_ERR "happymeal(PCI): Some PCI device info missing\n");
 		return -ENODEV;
 	}
-	node = pcp->prom_node;
 	
-	prom_getstring(node, "name", prom_name, sizeof(prom_name));
+	strcpy(prom_name, pcp->prom_node->name);
 #else
 	if (is_quattro_p(pdev))
 		strcpy(prom_name, "SUNW,qfe");
@@ -3104,10 +3102,14 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev)
 		macaddr[5]++;
 	} else {
 #ifdef __sparc__
+		unsigned char *addr;
+		int len;
+
 		if (qfe_slot != -1 &&
-		    prom_getproplen(node, "local-mac-address") == 6) {
-			prom_getproperty(node, "local-mac-address",
-					 dev->dev_addr, 6);
+		    (addr = of_get_property(pcp->prom_node,
+					    "local-mac-address", &len)) != NULL
+		    && len == 6) {
+			memcpy(dev->dev_addr, addr, 6);
 		} else {
 			memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
 		}
@@ -3124,7 +3126,7 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev)
 	hp->tcvregs    = (hpreg_base + 0x7000UL);
 
 #ifdef __sparc__
-	hp->hm_revision = prom_getintdefault(node, "hm-rev", 0xff);
+	hp->hm_revision = of_getintprop_default(pcp->prom_node, "hm-rev", 0xff);
 	if (hp->hm_revision == 0xff) {
 		unsigned char prev;
 

drivers/net/tg3.c

@@ -10549,11 +10549,13 @@ static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
 	struct pcidev_cookie *pcp = pdev->sysdata;
 
 	if (pcp != NULL) {
-		int node = pcp->prom_node;
+		unsigned char *addr;
+		int len;
 
-		if (prom_getproplen(node, "local-mac-address") == 6) {
-			prom_getproperty(node, "local-mac-address",
-					 dev->dev_addr, 6);
+		addr = of_get_property(pcp->prom_node, "local-mac-address",
+					&len);
+		if (addr && len == 6) {
+			memcpy(dev->dev_addr, addr, 6);
 			memcpy(dev->perm_addr, dev->dev_addr, 6);
 			return 0;
 		}

drivers/net/tulip/tulip_core.c

@@ -1550,10 +1550,14 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
 			dev->dev_addr[i] = last_phys_addr[i];
 		dev->dev_addr[i] = last_phys_addr[i] + 1;
 #if defined(__sparc__)
-		if ((pcp != NULL) && prom_getproplen(pcp->prom_node,
-			"local-mac-address") == 6) {
-			prom_getproperty(pcp->prom_node, "local-mac-address",
-			    dev->dev_addr, 6);
+		if (pcp) {
+			unsigned char *addr;
+			int len;
+		  
+			addr = of_get_property(pcp->prom_node,
+					       "local-mac-address", &len);
+			if (addr && len == 6)
+				memcpy(dev->dev_addr, addr, 6);
 		}
 #endif
 #if defined(__i386__) || defined(__x86_64__)	/* Patch up x86 BIOS bug. */

drivers/sbus/char/openprom.c

@@ -243,8 +243,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 					      ((int *) opp->oprom_array)[1]);
 
 			pcp = pdev->sysdata;
-			if (pcp != NULL && pcp->prom_node != -1 && pcp->prom_node) {
-				node = pcp->prom_node;
+			if (pcp != NULL) {
+				node = pcp->prom_node->node;
 				data->current_node = node;
 				*((int *)opp->oprom_array) = node;
 				opp->oprom_size = sizeof(int);

drivers/video/aty/atyfb_base.c

@@ -2966,7 +2966,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev,
 	}
 
 	pcp = pdev->sysdata;
-	if (node == pcp->prom_node) {
+	if (node == pcp->prom_node->node) {
 		struct fb_var_screeninfo *var = &default_var;
 		unsigned int N, P, Q, M, T, R;
 		u32 v_total, h_total;

include/asm-sparc64/pbm.h

@@ -227,8 +227,7 @@ struct pci_controller_info {
  */
 struct pcidev_cookie {
 	struct pci_pbm_info		*pbm;
-	char				prom_name[64];
-	int				prom_node;
+	struct device_node		*prom_node;
 	struct linux_prom_pci_registers	prom_regs[PROMREG_MAX];
 	int num_prom_regs;
 	struct linux_prom_pci_registers prom_assignments[PROMREG_MAX];

include/asm-sparc64/prom.h

@@ -76,12 +76,15 @@ extern struct device_node *of_find_node_by_type(struct device_node *from,
 	for (dn = of_find_node_by_type(NULL, type); dn; \
 	     dn = of_find_node_by_type(dn, type))
 extern struct device_node *of_find_node_by_path(const char *path);
+extern struct device_node *of_find_node_by_phandle(phandle handle);
 extern struct device_node *of_get_parent(const struct device_node *node);
 extern struct device_node *of_get_next_child(const struct device_node *node,
 					     struct device_node *prev);
 extern struct property *of_find_property(struct device_node *np,
 					 const char *name,
 					 int *lenp);
+extern void *of_get_property(struct device_node *node, const char *name,
+			     int *lenp);
 extern int of_getintprop_default(struct device_node *np,
 				 const char *name,
 				 int def);