Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6

* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6:
  mtd/m25p80: add support to parse the partitions by OF node
  of/irq: of_irq.c needs to include linux/irq.h
  of/mips: Cleanup some include directives/files.
  of/mips: Add device tree support to MIPS
  of/flattree: Eliminate need to provide early_init_dt_scan_chosen_arch
  of/device: Rework to use common platform_device_alloc() for allocating devices
  of/xsysace: Fix OF probing on little-endian systems
  of: use __be32 types for big-endian device tree data
  of/irq: remove references to NO_IRQ in drivers/of/platform.c
  of/promtree: add package-to-path support to pdt
  of/promtree: add of_pdt namespace to pdt code
  of/promtree: no longer call prom_ functions directly; use an ops structure
  of/promtree: make drivers/of/pdt.c no longer sparc-only
  sparc: break out some PROM device-tree building code out into drivers/of
  of/sparc: convert various prom_* functions to use phandle
  sparc: stop exporting openprom.h header
  powerpc, of_serial: Endianness issues setting up the serial ports
  of: MTD: Fix OF probing on little-endian systems
  of: GPIO: Fix OF probing on little-endian systems

10 files changed, 50 insertions, 201 deletions

diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index ee8d214cae1..35f48837871 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -23,7 +23,7 @@ static DEFINE_SPINLOCK(auxio_lock);
 
 void __init auxio_probe(void)
 {
-	int node, auxio_nd;
+	phandle node, auxio_nd;
 	struct linux_prom_registers auxregs[1];
 	struct resource r;
 
@@ -113,7 +113,7 @@ volatile unsigned char * auxio_power_register = NULL;
 void __init auxio_power_probe(void)
 {
 	struct linux_prom_registers regs;
-	int node;
+	phandle node;
 	struct resource r;
 
 	/* Attempt to find the sun4m power control node. */
diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c
index 8cc2d56ffe9..89aa4eb20cf 100644
--- a/arch/sparc/kernel/btext.c
+++ b/arch/sparc/kernel/btext.c
@@ -40,7 +40,7 @@ static unsigned char *dispDeviceBase __force_data;
 
 static unsigned char vga_font[cmapsz];
 
-static int __init btext_initialize(unsigned int node)
+static int __init btext_initialize(phandle node)
 {
 	unsigned int width, height, depth, pitch;
 	unsigned long address = 0;
@@ -309,7 +309,7 @@ static struct console btext_console = {
 
 int __init btext_find_display(void)
 {
-	unsigned int node;
+	phandle node;
 	char type[32];
 	int ret;
 
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c
index 62dc7a02141..d2eddd6647c 100644
--- a/arch/sparc/kernel/devices.c
+++ b/arch/sparc/kernel/devices.c
@@ -31,9 +31,9 @@ static char *cpu_mid_prop(void)
 	return "mid";
 }
 
-static int check_cpu_node(int nd, int *cur_inst,
-			  int (*compare)(int, int, void *), void *compare_arg,
-			  int *prom_node, int *mid)
+static int check_cpu_node(phandle nd, int *cur_inst,
+		int (*compare)(phandle, int, void *), void *compare_arg,
+		phandle *prom_node, int *mid)
 {
 	if (!compare(nd, *cur_inst, compare_arg)) {
 		if (prom_node)
@@ -51,8 +51,8 @@ static int check_cpu_node(int nd, int *cur_inst,
 	return -ENODEV;
 }
 
-static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
-			 int *prom_node, int *mid)
+static int __cpu_find_by(int (*compare)(phandle, int, void *),
+		void *compare_arg, phandle *prom_node, int *mid)
 {
 	struct device_node *dp;
 	int cur_inst;
@@ -71,7 +71,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
 	return -ENODEV;
 }
 
-static int cpu_instance_compare(int nd, int instance, void *_arg)
+static int cpu_instance_compare(phandle nd, int instance, void *_arg)
 {
 	int desired_instance = (int) _arg;
 
@@ -80,13 +80,13 @@ static int cpu_instance_compare(int nd, int instance, void *_arg)
 	return -ENODEV;
 }
 
-int cpu_find_by_instance(int instance, int *prom_node, int *mid)
+int cpu_find_by_instance(int instance, phandle *prom_node, int *mid)
 {
 	return __cpu_find_by(cpu_instance_compare, (void *)instance,
 			     prom_node, mid);
 }
 
-static int cpu_mid_compare(int nd, int instance, void *_arg)
+static int cpu_mid_compare(phandle nd, int instance, void *_arg)
 {
 	int desired_mid = (int) _arg;
 	int this_mid;
@@ -98,7 +98,7 @@ static int cpu_mid_compare(int nd, int instance, void *_arg)
 	return -ENODEV;
 }
 
-int cpu_find_by_mid(int mid, int *prom_node)
+int cpu_find_by_mid(int mid, phandle *prom_node)
 {
 	return __cpu_find_by(cpu_mid_compare, (void *)mid,
 			     prom_node, NULL);
@@ -108,7 +108,7 @@ int cpu_find_by_mid(int mid, int *prom_node)
  * address (0-3).  This gives us the true hardware mid, which might have
  * some other bits set.  On 4d hardware and software mids are the same.
  */
-int cpu_get_hwmid(int prom_node)
+int cpu_get_hwmid(phandle prom_node)
 {
 	return prom_getintdefault(prom_node, cpu_mid_prop(), -ENODEV);
 }
@@ -119,7 +119,8 @@ void __init device_scan(void)
 
 #ifndef CONFIG_SMP
 	{
-		int err, cpu_node;
+		phandle cpu_node;
+		int err;
 		err = cpu_find_by_instance(0, &cpu_node, NULL);
 		if (err) {
 			/* Probably a sun4e, Sun is trying to trick us ;-) */
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 6a7b4dbc8e0..2d51527d810 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -282,5 +282,5 @@ void __init leon_init_IRQ(void)
 
 void __init leon_init(void)
 {
-	prom_build_more = &leon_node_init;
+	of_pdt_build_more = &leon_node_init;
 }
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index d36a8d391ca..aeaa09a3c65 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -284,7 +284,7 @@ int __init pcic_probe(void)
 	struct linux_prom_registers regs[PROMREG_MAX];
 	struct linux_pbm_info* pbm;
 	char namebuf[64];
-	int node;
+	phandle node;
 	int err;
 
 	if (pcic0_up) {
@@ -440,7 +440,7 @@ static int __devinit pdev_to_pnode(struct linux_pbm_info *pbm,
 {
 	struct linux_prom_pci_registers regs[PROMREG_MAX];
 	int err;
-	int node = prom_getchild(pbm->prom_node);
+	phandle node = prom_getchild(pbm->prom_node);
 
 	while(node) {
 		err = prom_getproperty(node, "reg", 
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index eeb04a782ec..cf5fe1c0b02 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -4,12 +4,6 @@
 #include <linux/spinlock.h>
 #include <asm/prom.h>
 
-extern void * prom_early_alloc(unsigned long size);
-extern void irq_trans_init(struct device_node *dp);
-
-extern unsigned int prom_unique_id;
-
-extern char *build_path_component(struct device_node *dp);
 extern void of_console_init(void);
 
 extern unsigned int prom_early_allocated;
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 1f830da2ddf..ed25834328f 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -20,14 +20,13 @@
 #include <linux/mutex.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/of_pdt.h>
 #include <asm/prom.h>
 #include <asm/oplib.h>
 #include <asm/leon.h>
 
 #include "prom.h"
 
-void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp);
-
 struct device_node *of_console_device;
 EXPORT_SYMBOL(of_console_device);
 
@@ -119,192 +118,47 @@ int of_find_in_proplist(const char *list, const char *match, int len)
 }
 EXPORT_SYMBOL(of_find_in_proplist);
 
-unsigned int prom_unique_id;
-
-static struct property * __init build_one_prop(phandle node, char *prev,
-					       char *special_name,
-					       void *special_val,
-					       int special_len)
+/*
+ * SPARC32 and SPARC64's prom_nextprop() do things differently
+ * here, despite sharing the same interface.  SPARC32 doesn't fill in 'buf',
+ * returning NULL on an error.  SPARC64 fills in 'buf', but sets it to an
+ * empty string upon error.
+ */
+static int __init handle_nextprop_quirks(char *buf, const char *name)
 {
-	static struct property *tmp = NULL;
-	struct property *p;
-	const char *name;
-
-	if (tmp) {
-		p = tmp;
-		memset(p, 0, sizeof(*p) + 32);
-		tmp = NULL;
-	} else {
-		p = prom_early_alloc(sizeof(struct property) + 32);
-		p->unique_id = prom_unique_id++;
-	}
-
-	p->name = (char *) (p + 1);
-	if (special_name) {
-		strcpy(p->name, special_name);
-		p->length = special_len;
-		p->value = prom_early_alloc(special_len);
-		memcpy(p->value, special_val, special_len);
-	} else {
-		if (prev == NULL) {
-			name = prom_firstprop(node, p->name);
-		} else {
-			name = prom_nextprop(node, prev, p->name);
-		}
+	if (!name || strlen(name) == 0)
+		return -1;
 
-		if (!name || strlen(name) == 0) {
-			tmp = p;
-			return NULL;
-		}
 #ifdef CONFIG_SPARC32
-		strcpy(p->name, name);
+	strcpy(buf, name);
 #endif
-		p->length = prom_getproplen(node, p->name);
-		if (p->length <= 0) {
-			p->length = 0;
-		} else {
-			int len;
-
-			p->value = prom_early_alloc(p->length + 1);
-			len = prom_getproperty(node, p->name, p->value,
-					       p->length);
-			if (len <= 0)
-				p->length = 0;
-			((unsigned char *)p->value)[p->length] = '\0';
-		}
-	}
-	return p;
-}
-
-static struct property * __init build_prop_list(phandle node)
-{
-	struct property *head, *tail;
-
-	head = tail = build_one_prop(node, NULL,
-				     ".node", &node, sizeof(node));
-
-	tail->next = build_one_prop(node, NULL, NULL, NULL, 0);
-	tail = tail->next;
-	while(tail) {
-		tail->next = build_one_prop(node, tail->name,
-					    NULL, NULL, 0);
-		tail = tail->next;
-	}
-
-	return head;
-}
-
-static char * __init get_one_property(phandle node, const char *name)
-{
-	char *buf = "<NULL>";
-	int len;
-
-	len = prom_getproplen(node, name);
-	if (len > 0) {
-		buf = prom_early_alloc(len);
-		len = prom_getproperty(node, name, buf, len);
-	}
-
-	return buf;
-}
-
-static struct device_node * __init prom_create_node(phandle node,
-						    struct device_node *parent)
-{
-	struct device_node *dp;
-
-	if (!node)
-		return NULL;
-
-	dp = prom_early_alloc(sizeof(*dp));
-	dp->unique_id = prom_unique_id++;
-	dp->parent = parent;
-
-	kref_init(&dp->kref);
-
-	dp->name = get_one_property(node, "name");
-	dp->type = get_one_property(node, "device_type");
-	dp->phandle = node;
-
-	dp->properties = build_prop_list(node);
-
-	irq_trans_init(dp);
-
-	return dp;
-}
-
-char * __init build_full_name(struct device_node *dp)
-{
-	int len, ourlen, plen;
-	char *n;
-
-	plen = strlen(dp->parent->full_name);
-	ourlen = strlen(dp->path_component_name);
-	len = ourlen + plen + 2;
-
-	n = prom_early_alloc(len);
-	strcpy(n, dp->parent->full_name);
-	if (!of_node_is_root(dp->parent)) {
-		strcpy(n + plen, "/");
-		plen++;
-	}
-	strcpy(n + plen, dp->path_component_name);
-
-	return n;
+	return 0;
 }
 
-static struct device_node * __init prom_build_tree(struct device_node *parent,
-						   phandle node,
-						   struct device_node ***nextp)
+static int __init prom_common_nextprop(phandle node, char *prev, char *buf)
 {
-	struct device_node *ret = NULL, *prev_sibling = NULL;
-	struct device_node *dp;
-
-	while (1) {
-		dp = prom_create_node(node, parent);
-		if (!dp)
-			break;
-
-		if (prev_sibling)
-			prev_sibling->sibling = dp;
-
-		if (!ret)
-			ret = dp;
-		prev_sibling = dp;
-
-		*(*nextp) = dp;
-		*nextp = &dp->allnext;
-
-		dp->path_component_name = build_path_component(dp);
-		dp->full_name = build_full_name(dp);
-
-		dp->child = prom_build_tree(dp, prom_getchild(node), nextp);
-
-		if (prom_build_more)
-			prom_build_more(dp, nextp);
-
-		node = prom_getsibling(node);
-	}
+	const char *name;
 
-	return ret;
+	buf[0] = '\0';
+	name = prom_nextprop(node, prev, buf);
+	return handle_nextprop_quirks(buf, name);
 }
 
 unsigned int prom_early_allocated __initdata;
 
+static struct of_pdt_ops prom_sparc_ops __initdata = {
+	.nextprop = prom_common_nextprop,
+	.getproplen = prom_getproplen,
+	.getproperty = prom_getproperty,
+	.getchild = prom_getchild,
+	.getsibling = prom_getsibling,
+};
+
 void __init prom_build_devicetree(void)
 {
-	struct device_node **nextp;
-
-	allnodes = prom_create_node(prom_root_node, NULL);
-	allnodes->path_component_name = "";
-	allnodes->full_name = "/";
-
-	nextp = &allnodes->allnext;
-	allnodes->child = prom_build_tree(allnodes,
-					  prom_getchild(allnodes->phandle),
-					  &nextp);
+	of_pdt_build_devicetree(prom_root_node, &prom_sparc_ops);
 	of_console_init();
 
-	printk("PROM: Built device tree with %u bytes of memory.\n",
-	       prom_early_allocated);
+	pr_info("PROM: Built device tree with %u bytes of memory.\n",
+			prom_early_allocated);
 }
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 5f72de67588..29bafe051bb 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -315,7 +315,7 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_IP_PNP
 	if (!ic_set_manually) {
-		int chosen = prom_finddevice ("/chosen");
+		phandle chosen = prom_finddevice("/chosen");
 		u32 cl, sv, gw;
 		
 		cl = prom_getintdefault (chosen, "client-ip", 0);
diff --git a/arch/sparc/kernel/starfire.c b/arch/sparc/kernel/starfire.c
index 060d0f3a615..a4446c0fb7a 100644
--- a/arch/sparc/kernel/starfire.c
+++ b/arch/sparc/kernel/starfire.c
@@ -23,7 +23,7 @@ int this_is_starfire = 0;
 
 void check_if_starfire(void)
 {
-	int ssnode = prom_finddevice("/ssp-serial");
+	phandle ssnode = prom_finddevice("/ssp-serial");
 	if (ssnode != 0 && ssnode != -1)
 		this_is_starfire = 1;
 }
diff --git a/arch/sparc/kernel/tadpole.c b/arch/sparc/kernel/tadpole.c
index f476a5f4af6..9aba8bd5a78 100644
--- a/arch/sparc/kernel/tadpole.c
+++ b/arch/sparc/kernel/tadpole.c
@@ -100,7 +100,7 @@ static void swift_clockstop(void)
 
 void __init clock_stop_probe(void)
 {
-	unsigned int node, clk_nd;
+	phandle node, clk_nd;
 	char name[20];
     
 	prom_getstring(prom_root_node, "name", name, sizeof(name));