Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework

Conflicts:
	arch/sh/kernel/cpu/sh2/setup-sh7619.c
	arch/sh/kernel/cpu/sh2a/setup-mxg.c
	arch/sh/kernel/cpu/sh2a/setup-sh7201.c
	arch/sh/kernel/cpu/sh2a/setup-sh7203.c
	arch/sh/kernel/cpu/sh2a/setup-sh7206.c
	arch/sh/kernel/cpu/sh3/setup-sh7705.c
	arch/sh/kernel/cpu/sh3/setup-sh770x.c
	arch/sh/kernel/cpu/sh3/setup-sh7710.c
	arch/sh/kernel/cpu/sh3/setup-sh7720.c
	arch/sh/kernel/cpu/sh4/setup-sh4-202.c
	arch/sh/kernel/cpu/sh4/setup-sh7750.c
	arch/sh/kernel/cpu/sh4/setup-sh7760.c
	arch/sh/kernel/cpu/sh4a/setup-sh7343.c
	arch/sh/kernel/cpu/sh4a/setup-sh7366.c
	arch/sh/kernel/cpu/sh4a/setup-sh7722.c
	arch/sh/kernel/cpu/sh4a/setup-sh7723.c
	arch/sh/kernel/cpu/sh4a/setup-sh7724.c
	arch/sh/kernel/cpu/sh4a/setup-sh7763.c
	arch/sh/kernel/cpu/sh4a/setup-sh7770.c
	arch/sh/kernel/cpu/sh4a/setup-sh7780.c
	arch/sh/kernel/cpu/sh4a/setup-sh7785.c
	arch/sh/kernel/cpu/sh4a/setup-sh7786.c
	arch/sh/kernel/cpu/sh4a/setup-shx3.c
	arch/sh/kernel/cpu/sh5/setup-sh5.c
	drivers/serial/sh-sci.c
	drivers/serial/sh-sci.h
	include/linux/serial_sci.h

21 files changed, 535 insertions, 845 deletions

diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile
index 1b8c073adb4..8287bbe8876 100644
--- a/arch/sparc/prom/Makefile
+++ b/arch/sparc/prom/Makefile
@@ -5,13 +5,10 @@ asflags := -ansi
 ccflags := -Werror
 
 lib-y                 := bootstr_$(BITS).o
-lib-$(CONFIG_SPARC32) += devmap.o
-lib-y                 += devops_$(BITS).o
 lib-y                 += init_$(BITS).o
 lib-$(CONFIG_SPARC32) += memory.o
 lib-y                 += misc_$(BITS).o
 lib-$(CONFIG_SPARC32) += mp.o
-lib-$(CONFIG_SPARC32) += palloc.o
 lib-$(CONFIG_SPARC32) += ranges.o
 lib-$(CONFIG_SPARC32) += segment.o
 lib-y                 += console_$(BITS).o
diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c
index 916831da7e6..f5ec32e0d41 100644
--- a/arch/sparc/prom/bootstr_32.c
+++ b/arch/sparc/prom/bootstr_32.c
@@ -29,7 +29,8 @@ prom_getbootargs(void)
 		/* Start from 1 and go over fd(0,0,0)kernel */
 		for(iter = 1; iter < 8; iter++) {
 			arg = (*(romvec->pv_v0bootargs))->argv[iter];
-			if(arg == 0) break;
+			if (arg == NULL)
+				break;
 			while(*arg != 0) {
 				/* Leave place for space and null. */
 				if(cp >= barg_buf + BARG_LEN-2){
diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S
index 5f27ad779c0..9c86b4b7d42 100644
--- a/arch/sparc/prom/cif.S
+++ b/arch/sparc/prom/cif.S
@@ -9,18 +9,18 @@
 #include <asm/thread_info.h>
 
 	.text
-	.globl	prom_cif_interface
-prom_cif_interface:
-	sethi	%hi(p1275buf), %o0
-	or	%o0, %lo(p1275buf), %o0
-	ldx	[%o0 + 0x010], %o1	! prom_cif_stack
-	save	%o1, -192, %sp
-	ldx	[%i0 + 0x008], %l2	! prom_cif_handler
+	.globl	prom_cif_direct
+prom_cif_direct:
+	sethi	%hi(p1275buf), %o1
+	or	%o1, %lo(p1275buf), %o1
+	ldx	[%o1 + 0x0010], %o2	! prom_cif_stack
+	save	%o2, -192, %sp
+	ldx	[%i1 + 0x0008], %l2	! prom_cif_handler
 	mov	%g4, %l0
 	mov	%g5, %l1
 	mov	%g6, %l3
 	call	%l2
-	 add	%i0, 0x018, %o0		! prom_args
+	 mov	%i0, %o0		! prom_args
 	mov	%l0, %g4
 	mov	%l1, %g5
 	mov	%l3, %g6
diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c
index b3075d73fc1..b05e3db5fa6 100644
--- a/arch/sparc/prom/console_32.c
+++ b/arch/sparc/prom/console_32.c
@@ -16,63 +16,27 @@
 
 extern void restore_current(void);
 
-/* Non blocking get character from console input device, returns -1
- * if no input was taken.  This can be used for polling.
- */
-int
-prom_nbgetchar(void)
-{
-	static char inc;
-	int i = -1;
-	unsigned long flags;
-
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-		i = (*(romvec->pv_nbgetchar))();
-		break;
-	case PROM_V2:
-	case PROM_V3:
-		if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) {
-			i = inc;
-		} else {
-			i = -1;
-		}
-		break;
-	default:
-		i = -1;
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-	return i; /* Ugh, we could spin forever on unsupported proms ;( */
-}
-
 /* Non blocking put character to console device, returns -1 if
  * unsuccessful.
  */
-int
-prom_nbputchar(char c)
+static int prom_nbputchar(const char *buf)
 {
-	static char outc;
 	unsigned long flags;
 	int i = -1;
 
 	spin_lock_irqsave(&prom_lock, flags);
 	switch(prom_vers) {
 	case PROM_V0:
-		i = (*(romvec->pv_nbputchar))(c);
+		if ((*(romvec->pv_nbputchar))(*buf))
+			i = 1;
 		break;
 	case PROM_V2:
 	case PROM_V3:
-		outc = c;
-		if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1)
-			i = 0;
-		else
-			i = -1;
+		if ((*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout,
+							  buf, 0x1) == 1)
+			i = 1;
 		break;
 	default:
-		i = -1;
 		break;
 	};
 	restore_current();
@@ -80,19 +44,14 @@ prom_nbputchar(char c)
 	return i; /* Ugh, we could spin forever on unsupported proms ;( */
 }
 
-/* Blocking version of get character routine above. */
-char
-prom_getchar(void)
+void prom_console_write_buf(const char *buf, int len)
 {
-	int character;
-	while((character = prom_nbgetchar()) == -1) ;
-	return (char) character;
+	while (len) {
+		int n = prom_nbputchar(buf);
+		if (n < 0)
+			continue;
+		len--;
+		buf++;
+	}
 }
 
-/* Blocking version of put character routine above. */
-void
-prom_putchar(char c)
-{
-	while(prom_nbputchar(c) == -1) ;
-	return;
-}
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index e1c3fc87484..9de6c8cfe04 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -13,62 +13,34 @@
 #include <asm/system.h>
 #include <linux/string.h>
 
-extern int prom_stdin, prom_stdout;
-
-/* Non blocking get character from console input device, returns -1
- * if no input was taken.  This can be used for polling.
- */
-inline int
-prom_nbgetchar(void)
+static int __prom_console_write_buf(const char *buf, int len)
 {
-	char inc;
+	unsigned long args[7];
+	int ret;
 
-	if (p1275_cmd("read", P1275_ARG(1,P1275_ARG_OUT_BUF)|
-			      P1275_INOUT(3,1),
-			      prom_stdin, &inc, P1275_SIZE(1)) == 1)
-		return inc;
-	else
-		return -1;
-}
+	args[0] = (unsigned long) "write";
+	args[1] = 3;
+	args[2] = 1;
+	args[3] = (unsigned int) prom_stdout;
+	args[4] = (unsigned long) buf;
+	args[5] = (unsigned int) len;
+	args[6] = (unsigned long) -1;
 
-/* Non blocking put character to console device, returns -1 if
- * unsuccessful.
- */
-inline int
-prom_nbputchar(char c)
-{
-	char outc;
-	
-	outc = c;
-	if (p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
-			       P1275_INOUT(3,1),
-			       prom_stdout, &outc, P1275_SIZE(1)) == 1)
-		return 0;
-	else
-		return -1;
-}
-
-/* Blocking version of get character routine above. */
-char
-prom_getchar(void)
-{
-	int character;
-	while((character = prom_nbgetchar()) == -1) ;
-	return (char) character;
-}
+	p1275_cmd_direct(args);
 
-/* Blocking version of put character routine above. */
-void
-prom_putchar(char c)
-{
-	prom_nbputchar(c);
-	return;
+	ret = (int) args[6];
+	if (ret < 0)
+		return -1;
+	return ret;
 }
 
-void
-prom_puts(const char *s, int len)
+void prom_console_write_buf(const char *buf, int len)
 {
-	p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
-			   P1275_INOUT(3,1),
-			   prom_stdout, s, P1275_SIZE(len));
+	while (len) {
+		int n = __prom_console_write_buf(buf, len);
+		if (n < 0)
+			continue;
+		len -= n;
+		buf += len;
+	}
 }
diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c
deleted file mode 100644
index 1e517915b0d..00000000000
--- a/arch/sparc/prom/devmap.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * promdevmap.c:  Map device/IO areas to virtual addresses.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-
-extern void restore_current(void);
-
-/* Just like the routines in palloc.c, these should not be used
- * by the kernel at all.  Bootloader facility mainly.  And again,
- * this is only available on V2 proms and above.
- */
-
-/* Map physical device address 'paddr' in IO space 'ios' of size
- * 'num_bytes' to a virtual address, with 'vhint' being a hint to
- * the prom as to where you would prefer the mapping.  We return
- * where the prom actually mapped it.
- */
-char *
-prom_mapio(char *vhint, int ios, unsigned int paddr, unsigned int num_bytes)
-{
-	unsigned long flags;
-	char *ret;
-
-	spin_lock_irqsave(&prom_lock, flags);
-	if((num_bytes == 0) || (paddr == 0)) ret = (char *) 0x0;
-	else
-	ret = (*(romvec->pv_v2devops.v2_dumb_mmap))(vhint, ios, paddr,
-						    num_bytes);
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-	return ret;
-}
-
-/* Unmap an IO/device area that was mapped using the above routine. */
-void
-prom_unmapio(char *vaddr, unsigned int num_bytes)
-{
-	unsigned long flags;
-
-	if(num_bytes == 0x0) return;
-	spin_lock_irqsave(&prom_lock, flags);
-	(*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes);
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-	return;
-}
diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c
deleted file mode 100644
index 9f1a95c91ad..00000000000
--- a/arch/sparc/prom/devops_32.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * devops.c:  Device operations using the PROM.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-
-extern void restore_current(void);
-
-/* Open the device described by the string 'dstr'.  Returns the handle
- * to that device used for subsequent operations on that device.
- * Returns -1 on failure.
- */
-int
-prom_devopen(char *dstr)
-{
-	int handle;
-	unsigned long flags;
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-		handle = (*(romvec->pv_v0devops.v0_devopen))(dstr);
-		if(handle == 0) handle = -1;
-		break;
-	case PROM_V2:
-	case PROM_V3:
-		handle = (*(romvec->pv_v2devops.v2_dev_open))(dstr);
-		break;
-	default:
-		handle = -1;
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-
-	return handle;
-}
-
-/* Close the device described by device handle 'dhandle'. */
-int
-prom_devclose(int dhandle)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-		(*(romvec->pv_v0devops.v0_devclose))(dhandle);
-		break;
-	case PROM_V2:
-	case PROM_V3:
-		(*(romvec->pv_v2devops.v2_dev_close))(dhandle);
-		break;
-	default:
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-	return 0;
-}
-
-/* Seek to specified location described by 'seekhi' and 'seeklo'
- * for device 'dhandle'.
- */
-void
-prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-		(*(romvec->pv_v0devops.v0_seekdev))(dhandle, seekhi, seeklo);
-		break;
-	case PROM_V2:
-	case PROM_V3:
-		(*(romvec->pv_v2devops.v2_dev_seek))(dhandle, seekhi, seeklo);
-		break;
-	default:
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-
-	return;
-}
diff --git a/arch/sparc/prom/devops_64.c b/arch/sparc/prom/devops_64.c
deleted file mode 100644
index 9dbd803e46e..00000000000
--- a/arch/sparc/prom/devops_64.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * devops.c:  Device operations using the PROM.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-
-/* Open the device described by the string 'dstr'.  Returns the handle
- * to that device used for subsequent operations on that device.
- * Returns 0 on failure.
- */
-int
-prom_devopen(const char *dstr)
-{
-	return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)|
-				  P1275_INOUT(1,1),
-				  dstr);
-}
-
-/* Close the device described by device handle 'dhandle'. */
-int
-prom_devclose(int dhandle)
-{
-	p1275_cmd ("close", P1275_INOUT(1,0), dhandle);
-	return 0;
-}
-
-/* Seek to specified location described by 'seekhi' and 'seeklo'
- * for device 'dhandle'.
- */
-void
-prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
-{
-	p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo);
-}
diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c
index 6193c33ed4d..0a601b30063 100644
--- a/arch/sparc/prom/init_32.c
+++ b/arch/sparc/prom/init_32.c
@@ -20,7 +20,7 @@ enum prom_major_version prom_vers;
 unsigned int prom_rev, prom_prev;
 
 /* The root node of the prom device tree. */
-int prom_root_node;
+phandle prom_root_node;
 EXPORT_SYMBOL(prom_root_node);
 
 /* Pointer to the device tree operations structure. */
@@ -60,7 +60,7 @@ void __init prom_init(struct linux_romvec *rp)
 	prom_nodeops = romvec->pv_nodeops;
 
 	prom_root_node = prom_getsibling(0);
-	if((prom_root_node == 0) || (prom_root_node == -1))
+	if ((prom_root_node == 0) || ((s32)prom_root_node == -1))
 		prom_halt();
 
 	if((((unsigned long) prom_nodeops) == 0) || 
@@ -75,5 +75,4 @@ void __init prom_init(struct linux_romvec *rp)
 	       romvec->pv_romvers, prom_rev);
 
 	/* Initialization successful. */
-	return;
 }
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c
index 7b00f89490a..5016c5e2057 100644
--- a/arch/sparc/prom/init_64.c
+++ b/arch/sparc/prom/init_64.c
@@ -18,8 +18,8 @@
 char prom_version[80];
 
 /* The root node of the prom device tree. */
-int prom_stdin, prom_stdout;
-int prom_chosen_node;
+int prom_stdout;
+phandle prom_chosen_node;
 
 /* You must call prom_init() before you attempt to use any of the
  * routines in the prom library.  It returns 0 on success, 1 on
@@ -30,19 +30,18 @@ extern void prom_cif_init(void *, void *);
 
 void __init prom_init(void *cif_handler, void *cif_stack)
 {
-	int node;
+	phandle node;
 
 	prom_cif_init(cif_handler, cif_stack);
 
 	prom_chosen_node = prom_finddevice(prom_chosen_path);
-	if (!prom_chosen_node || prom_chosen_node == -1)
+	if (!prom_chosen_node || (s32)prom_chosen_node == -1)
 		prom_halt();
 
-	prom_stdin = prom_getint(prom_chosen_node, "stdin");
 	prom_stdout = prom_getint(prom_chosen_node, "stdout");
 
 	node = prom_finddevice("/openprom");
-	if (!node || node == -1)
+	if (!node || (s32)node == -1)
 		prom_halt();
 
 	prom_getstring(node, "version", prom_version, sizeof(prom_version));
diff --git a/arch/sparc/prom/memory.c b/arch/sparc/prom/memory.c
index fac7899a29c..3f263a64857 100644
--- a/arch/sparc/prom/memory.c
+++ b/arch/sparc/prom/memory.c
@@ -31,7 +31,8 @@ static int __init prom_meminit_v0(void)
 static int __init prom_meminit_v2(void)
 {
 	struct linux_prom_registers reg[64];
-	int node, size, num_ents, i;
+	phandle node;
+	int size, num_ents, i;
 
 	node = prom_searchsiblings(prom_getchild(prom_root_node), "memory");
 	size = prom_getproperty(node, "available", (char *) reg, sizeof(reg));
diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c
index 4d61c540bb3..8c278c311ba 100644
--- a/arch/sparc/prom/misc_32.c
+++ b/arch/sparc/prom/misc_32.c
@@ -70,7 +70,7 @@ prom_cmdline(void)
 /* Drop into the prom, but completely terminate the program.
  * No chance of continuing.
  */
-void
+void __noreturn
 prom_halt(void)
 {
 	unsigned long flags;
diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c
index eedffb4fec2..e4f31d4d371 100644
--- a/arch/sparc/prom/misc_64.c
+++ b/arch/sparc/prom/misc_64.c
@@ -18,12 +18,19 @@
 #include <asm/system.h>
 #include <asm/ldc.h>
 
-int prom_service_exists(const char *service_name)
+static int prom_service_exists(const char *service_name)
 {
-	int err = p1275_cmd("test", P1275_ARG(0, P1275_ARG_IN_STRING) |
-			    P1275_INOUT(1, 1), service_name);
+	unsigned long args[5];
 
-	if (err)
+	args[0] = (unsigned long) "test";
+	args[1] = 1;
+	args[2] = 1;
+	args[3] = (unsigned long) service_name;
+	args[4] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	if (args[4])
 		return 0;
 	return 1;
 }
@@ -31,30 +38,47 @@ int prom_service_exists(const char *service_name)
 void prom_sun4v_guest_soft_state(void)
 {
 	const char *svc = "SUNW,soft-state-supported";
+	unsigned long args[3];
 
 	if (!prom_service_exists(svc))
 		return;
-	p1275_cmd(svc, P1275_INOUT(0, 0));
+	args[0] = (unsigned long) svc;
+	args[1] = 0;
+	args[2] = 0;
+	p1275_cmd_direct(args);
 }
 
 /* Reset and reboot the machine with the command 'bcommand'. */
 void prom_reboot(const char *bcommand)
 {
+	unsigned long args[4];
+
 #ifdef CONFIG_SUN_LDOMS
 	if (ldom_domaining_enabled)
 		ldom_reboot(bcommand);
 #endif
-	p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) |
-		  P1275_INOUT(1, 0), bcommand);
+	args[0] = (unsigned long) "boot";
+	args[1] = 1;
+	args[2] = 0;
+	args[3] = (unsigned long) bcommand;
+
+	p1275_cmd_direct(args);
 }
 
 /* Forth evaluate the expression contained in 'fstring'. */
 void prom_feval(const char *fstring)
 {
+	unsigned long args[5];
+
 	if (!fstring || fstring[0] == 0)
 		return;
-	p1275_cmd("interpret", P1275_ARG(0, P1275_ARG_IN_STRING) |
-		  P1275_INOUT(1, 1), fstring);
+	args[0] = (unsigned long) "interpret";
+	args[1] = 1;
+	args[2] = 1;
+	args[3] = (unsigned long) fstring;
+	args[4] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
 }
 EXPORT_SYMBOL(prom_feval);
 
@@ -68,6 +92,7 @@ extern void smp_release(void);
  */
 void prom_cmdline(void)
 {
+	unsigned long args[3];
 	unsigned long flags;
 
 	local_irq_save(flags);
@@ -76,7 +101,11 @@ void prom_cmdline(void)
 	smp_capture();
 #endif
 
-	p1275_cmd("enter", P1275_INOUT(0, 0));
+	args[0] = (unsigned long) "enter";
+	args[1] = 0;
+	args[2] = 0;
+
+	p1275_cmd_direct(args);
 
 #ifdef CONFIG_SMP
 	smp_release();
@@ -88,38 +117,39 @@ void prom_cmdline(void)
 /* Drop into the prom, but completely terminate the program.
  * No chance of continuing.
  */
-void prom_halt(void)
+void notrace prom_halt(void)
 {
+	unsigned long args[3];
+
 #ifdef CONFIG_SUN_LDOMS
 	if (ldom_domaining_enabled)
 		ldom_power_off();
 #endif
 again:
-	p1275_cmd("exit", P1275_INOUT(0, 0));
+	args[0] = (unsigned long) "exit";
+	args[1] = 0;
+	args[2] = 0;
+	p1275_cmd_direct(args);
 	goto again; /* PROM is out to get me -DaveM */
 }
 
 void prom_halt_power_off(void)
 {
+	unsigned long args[3];
+
 #ifdef CONFIG_SUN_LDOMS
 	if (ldom_domaining_enabled)
 		ldom_power_off();
 #endif
-	p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0));
+	args[0] = (unsigned long) "SUNW,power-off";
+	args[1] = 0;
+	args[2] = 0;
+	p1275_cmd_direct(args);
 
 	/* if nothing else helps, we just halt */
 	prom_halt();
 }
 
-/* Set prom sync handler to call function 'funcp'. */
-void prom_setcallback(callback_func_t funcp)
-{
-	if (!funcp)
-		return;
-	p1275_cmd("set-callback", P1275_ARG(0, P1275_ARG_IN_FUNCTION) |
-		  P1275_INOUT(1, 1), funcp);
-}
-
 /* Get the idprom and stuff it into buffer 'idbuf'.  Returns the
  * format type.  'num_bytes' is the number of bytes that your idbuf
  * has space for.  Returns 0xff on error.
@@ -139,7 +169,8 @@ unsigned char prom_get_idprom(char *idbuf, int num_bytes)
 
 int prom_get_mmu_ihandle(void)
 {
-	int node, ret;
+	phandle node;
+	int ret;
 
 	if (prom_mmu_ihandle_cache != 0)
 		return prom_mmu_ihandle_cache;
@@ -157,7 +188,8 @@ int prom_get_mmu_ihandle(void)
 static int prom_get_memory_ihandle(void)
 {
 	static int memory_ihandle_cache;
-	int node, ret;
+	phandle node;
+	int ret;
 
 	if (memory_ihandle_cache != 0)
 		return memory_ihandle_cache;
@@ -173,57 +205,61 @@ static int prom_get_memory_ihandle(void)
 }
 
 /* Load explicit I/D TLB entries. */
+static long tlb_load(const char *type, unsigned long index,
+		     unsigned long tte_data, unsigned long vaddr)
+{
+	unsigned long args[9];
+
+	args[0] = (unsigned long) prom_callmethod_name;
+	args[1] = 5;
+	args[2] = 1;
+	args[3] = (unsigned long) type;
+	args[4] = (unsigned int) prom_get_mmu_ihandle();
+	args[5] = vaddr;
+	args[6] = tte_data;
+	args[7] = index;
+	args[8] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (long) args[8];
+}
+
 long prom_itlb_load(unsigned long index,
 		    unsigned long tte_data,
 		    unsigned long vaddr)
 {
-	return p1275_cmd(prom_callmethod_name,
-			 (P1275_ARG(0, P1275_ARG_IN_STRING) |
-			  P1275_ARG(2, P1275_ARG_IN_64B) |
-			  P1275_ARG(3, P1275_ARG_IN_64B) |
-			  P1275_INOUT(5, 1)),
-			 "SUNW,itlb-load",
-			 prom_get_mmu_ihandle(),
-			 /* And then our actual args are pushed backwards. */
-			 vaddr,
-			 tte_data,
-			 index);
+	return tlb_load("SUNW,itlb-load", index, tte_data, vaddr);
 }
 
 long prom_dtlb_load(unsigned long index,
 		    unsigned long tte_data,
 		    unsigned long vaddr)
 {
-	return p1275_cmd(prom_callmethod_name,
-			 (P1275_ARG(0, P1275_ARG_IN_STRING) |
-			  P1275_ARG(2, P1275_ARG_IN_64B) |
-			  P1275_ARG(3, P1275_ARG_IN_64B) |
-			  P1275_INOUT(5, 1)),
-			 "SUNW,dtlb-load",
-			 prom_get_mmu_ihandle(),
-			 /* And then our actual args are pushed backwards. */
-			 vaddr,
-			 tte_data,
-			 index);
+	return tlb_load("SUNW,dtlb-load", index, tte_data, vaddr);
 }
 
 int prom_map(int mode, unsigned long size,
 	     unsigned long vaddr, unsigned long paddr)
 {
-	int ret = p1275_cmd(prom_callmethod_name,
-			    (P1275_ARG(0, P1275_ARG_IN_STRING) |
-			     P1275_ARG(3, P1275_ARG_IN_64B) |
-			     P1275_ARG(4, P1275_ARG_IN_64B) |
-			     P1275_ARG(6, P1275_ARG_IN_64B) |
-			     P1275_INOUT(7, 1)),
-			    prom_map_name,
-			    prom_get_mmu_ihandle(),
-			    mode,
-			    size,
-			    vaddr,
-			    0,
-			    paddr);
-
+	unsigned long args[11];
+	int ret;
+
+	args[0] = (unsigned long) prom_callmethod_name;
+	args[1] = 7;
+	args[2] = 1;
+	args[3] = (unsigned long) prom_map_name;
+	args[4] = (unsigned int) prom_get_mmu_ihandle();
+	args[5] = (unsigned int) mode;
+	args[6] = size;
+	args[7] = vaddr;
+	args[8] = 0;
+	args[9] = paddr;
+	args[10] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	ret = (int) args[10];
 	if (ret == 0)
 		ret = -1;
 	return ret;
@@ -231,40 +267,51 @@ int prom_map(int mode, unsigned long size,
 
 void prom_unmap(unsigned long size, unsigned long vaddr)
 {
-	p1275_cmd(prom_callmethod_name,
-		  (P1275_ARG(0, P1275_ARG_IN_STRING) |
-		   P1275_ARG(2, P1275_ARG_IN_64B) |
-		   P1275_ARG(3, P1275_ARG_IN_64B) |
-		   P1275_INOUT(4, 0)),
-		  prom_unmap_name,
-		  prom_get_mmu_ihandle(),
-		  size,
-		  vaddr);
+	unsigned long args[7];
+
+	args[0] = (unsigned long) prom_callmethod_name;
+	args[1] = 4;
+	args[2] = 0;
+	args[3] = (unsigned long) prom_unmap_name;
+	args[4] = (unsigned int) prom_get_mmu_ihandle();
+	args[5] = size;
+	args[6] = vaddr;
+
+	p1275_cmd_direct(args);
 }
 
 /* Set aside physical memory which is not touched or modified
  * across soft resets.
  */
-unsigned long prom_retain(const char *name,
-			  unsigned long pa_low, unsigned long pa_high,
-			  long size, long align)
+int prom_retain(const char *name, unsigned long size,
+		unsigned long align, unsigned long *paddr)
 {
-	/* XXX I don't think we return multiple values correctly.
-	 * XXX OBP supposedly returns pa_low/pa_high here, how does
-	 * XXX it work?
+	unsigned long args[11];
+
+	args[0] = (unsigned long) prom_callmethod_name;
+	args[1] = 5;
+	args[2] = 3;
+	args[3] = (unsigned long) "SUNW,retain";
+	args[4] = (unsigned int) prom_get_memory_ihandle();
+	args[5] = align;
+	args[6] = size;
+	args[7] = (unsigned long) name;
+	args[8] = (unsigned long) -1;
+	args[9] = (unsigned long) -1;
+	args[10] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	if (args[8])
+		return (int) args[8];
+
+	/* Next we get "phys_high" then "phys_low".  On 64-bit
+	 * the phys_high cell is don't care since the phys_low
+	 * cell has the full value.
 	 */
+	*paddr = args[10];
 
-	/* If align is zero, the pa_low/pa_high args are passed,
-	 * else they are not.
-	 */
-	if (align == 0)
-		return p1275_cmd("SUNW,retain",
-				 (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(5, 2)),
-				 name, pa_low, pa_high, size, align);
-	else
-		return p1275_cmd("SUNW,retain",
-				 (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(3, 2)),
-				 name, size, align);
+	return 0;
 }
 
 /* Get "Unumber" string for the SIMM at the given
@@ -277,62 +324,129 @@ int prom_getunumber(int syndrome_code,
 		    unsigned long phys_addr,
 		    char *buf, int buflen)
 {
-	return p1275_cmd(prom_callmethod_name,
-			 (P1275_ARG(0, P1275_ARG_IN_STRING)	|
-			  P1275_ARG(3, P1275_ARG_OUT_BUF)	|
-			  P1275_ARG(6, P1275_ARG_IN_64B)	|
-			  P1275_INOUT(8, 2)),
-			 "SUNW,get-unumber", prom_get_memory_ihandle(),
-			 buflen, buf, P1275_SIZE(buflen),
-			 0, phys_addr, syndrome_code);
+	unsigned long args[12];
+
+	args[0] = (unsigned long) prom_callmethod_name;
+	args[1] = 7;
+	args[2] = 2;
+	args[3] = (unsigned long) "SUNW,get-unumber";
+	args[4] = (unsigned int) prom_get_memory_ihandle();
+	args[5] = buflen;
+	args[6] = (unsigned long) buf;
+	args[7] = 0;
+	args[8] = phys_addr;
+	args[9] = (unsigned int) syndrome_code;
+	args[10] = (unsigned long) -1;
+	args[11] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (int) args[10];
 }
 
 /* Power management extensions. */
 void prom_sleepself(void)
 {
-	p1275_cmd("SUNW,sleep-self", P1275_INOUT(0, 0));
+	unsigned long args[3];
+
+	args[0] = (unsigned long) "SUNW,sleep-self";
+	args[1] = 0;
+	args[2] = 0;
+	p1275_cmd_direct(args);
 }
 
 int prom_sleepsystem(void)
 {
-	return p1275_cmd("SUNW,sleep-system", P1275_INOUT(0, 1));
+	unsigned long args[4];
+
+	args[0] = (unsigned long) "SUNW,sleep-system";
+	args[1] = 0;
+	args[2] = 1;
+	args[3] = (unsigned long) -1;
+	p1275_cmd_direct(args);
+
+	return (int) args[3];
 }
 
 int prom_wakeupsystem(void)
 {
-	return p1275_cmd("SUNW,wakeup-system", P1275_INOUT(0, 1));
+	unsigned long args[4];
+
+	args[0] = (unsigned long) "SUNW,wakeup-system";
+	args[1] = 0;
+	args[2] = 1;
+	args[3] = (unsigned long) -1;
+	p1275_cmd_direct(args);
+
+	return (int) args[3];
 }
 
 #ifdef CONFIG_SMP
 void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg)
 {
-	p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg);
+	unsigned long args[6];
+
+	args[0] = (unsigned long) "SUNW,start-cpu";
+	args[1] = 3;
+	args[2] = 0;
+	args[3] = (unsigned int) cpunode;
+	args[4] = pc;
+	args[5] = arg;
+	p1275_cmd_direct(args);
 }
 
 void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg)
 {
-	p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0),
-		  cpuid, pc, arg);
+	unsigned long args[6];
+
+	args[0] = (unsigned long) "SUNW,start-cpu-by-cpuid";
+	args[1] = 3;
+	args[2] = 0;
+	args[3] = (unsigned int) cpuid;
+	args[4] = pc;
+	args[5] = arg;
+	p1275_cmd_direct(args);
 }
 
 void prom_stopcpu_cpuid(int cpuid)
 {
-	p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0),
-		  cpuid);
+	unsigned long args[4];
+
+	args[0] = (unsigned long) "SUNW,stop-cpu-by-cpuid";
+	args[1] = 1;
+	args[2] = 0;
+	args[3] = (unsigned int) cpuid;
+	p1275_cmd_direct(args);
 }
 
 void prom_stopself(void)
 {
-	p1275_cmd("SUNW,stop-self", P1275_INOUT(0, 0));
+	unsigned long args[3];
+
+	args[0] = (unsigned long) "SUNW,stop-self";
+	args[1] = 0;
+	args[2] = 0;
+	p1275_cmd_direct(args);
 }
 
 void prom_idleself(void)
 {
-	p1275_cmd("SUNW,idle-self", P1275_INOUT(0, 0));
+	unsigned long args[3];
+
+	args[0] = (unsigned long) "SUNW,idle-self";
+	args[1] = 0;
+	args[2] = 0;
+	p1275_cmd_direct(args);
 }
 
 void prom_resumecpu(int cpunode)
 {
-	p1275_cmd("SUNW,resume-cpu", P1275_INOUT(1, 0), cpunode);
+	unsigned long args[4];
+
+	args[0] = (unsigned long) "SUNW,resume-cpu";
+	args[1] = 1;
+	args[2] = 0;
+	args[3] = (unsigned int) cpunode;
+	p1275_cmd_direct(args);
 }
 #endif
diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c
index 4c4dc79f65a..97c44c9ddbc 100644
--- a/arch/sparc/prom/mp.c
+++ b/arch/sparc/prom/mp.c
@@ -41,81 +41,3 @@ prom_startcpu(int cpunode, struct linux_prom_registers *ctable_reg, int ctx, cha
 
 	return ret;
 }
-
-/* Stop CPU with device prom-tree node 'cpunode'.
- * XXX Again, what does the return value really mean? XXX
- */
-int
-prom_stopcpu(int cpunode)
-{
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-	case PROM_V2:
-	default:
-		ret = -1;
-		break;
-	case PROM_V3:
-		ret = (*(romvec->v3_cpustop))(cpunode);
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-
-	return ret;
-}
-
-/* Make CPU with device prom-tree node 'cpunode' idle.
- * XXX Return value, anyone? XXX
- */
-int
-prom_idlecpu(int cpunode)
-{
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-	case PROM_V2:
-	default:
-		ret = -1;
-		break;
-	case PROM_V3:
-		ret = (*(romvec->v3_cpuidle))(cpunode);
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-
-	return ret;
-}
-
-/* Resume the execution of CPU with nodeid 'cpunode'.
- * XXX Come on, somebody has to know... XXX
- */
-int
-prom_restartcpu(int cpunode)
-{
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&prom_lock, flags);
-	switch(prom_vers) {
-	case PROM_V0:
-	case PROM_V2:
-	default:
-		ret = -1;
-		break;
-	case PROM_V3:
-		ret = (*(romvec->v3_cpuresume))(cpunode);
-		break;
-	};
-	restore_current();
-	spin_unlock_irqrestore(&prom_lock, flags);
-
-	return ret;
-}
diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c
index 4b7c937bba6..d9850c2b9bf 100644
--- a/arch/sparc/prom/p1275.c
+++ b/arch/sparc/prom/p1275.c
@@ -22,126 +22,32 @@ struct {
 	long prom_callback;			/* 0x00 */
 	void (*prom_cif_handler)(long *);	/* 0x08 */
 	unsigned long prom_cif_stack;		/* 0x10 */
-	unsigned long prom_args [23];		/* 0x18 */
-	char prom_buffer [3000];
 } p1275buf;
 
 extern void prom_world(int);
 
-extern void prom_cif_interface(void);
+extern void prom_cif_direct(unsigned long *args);
 extern void prom_cif_callback(void);
 
 /*
- * This provides SMP safety on the p1275buf. prom_callback() drops this lock
- * to allow recursuve acquisition.
+ * This provides SMP safety on the p1275buf.
  */
-DEFINE_SPINLOCK(prom_entry_lock);
+DEFINE_RAW_SPINLOCK(prom_entry_lock);
 
-long p1275_cmd(const char *service, long fmt, ...)
+void p1275_cmd_direct(unsigned long *args)
 {
-	char *p, *q;
 	unsigned long flags;
-	int nargs, nrets, i;
-	va_list list;
-	long attrs, x;
-	
-	p = p1275buf.prom_buffer;
 
-	spin_lock_irqsave(&prom_entry_lock, flags);
-
-	p1275buf.prom_args[0] = (unsigned long)p;		/* service */
-	strcpy (p, service);
-	p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
-	p1275buf.prom_args[1] = nargs = (fmt & 0x0f);		/* nargs */
-	p1275buf.prom_args[2] = nrets = ((fmt & 0xf0) >> 4); 	/* nrets */
-	attrs = fmt >> 8;
-	va_start(list, fmt);
-	for (i = 0; i < nargs; i++, attrs >>= 3) {
-		switch (attrs & 0x7) {
-		case P1275_ARG_NUMBER:
-			p1275buf.prom_args[i + 3] =
-						(unsigned)va_arg(list, long);
-			break;
-		case P1275_ARG_IN_64B:
-			p1275buf.prom_args[i + 3] =
-				va_arg(list, unsigned long);
-			break;
-		case P1275_ARG_IN_STRING:
-			strcpy (p, va_arg(list, char *));
-			p1275buf.prom_args[i + 3] = (unsigned long)p;
-			p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
-			break;
-		case P1275_ARG_OUT_BUF:
-			(void) va_arg(list, char *);
-			p1275buf.prom_args[i + 3] = (unsigned long)p;
-			x = va_arg(list, long);
-			i++; attrs >>= 3;
-			p = (char *)(((long)(p + (int)x + 7)) & ~7);
-			p1275buf.prom_args[i + 3] = x;
-			break;
-		case P1275_ARG_IN_BUF:
-			q = va_arg(list, char *);
-			p1275buf.prom_args[i + 3] = (unsigned long)p;
-			x = va_arg(list, long);
-			i++; attrs >>= 3;
-			memcpy (p, q, (int)x);
-			p = (char *)(((long)(p + (int)x + 7)) & ~7);
-			p1275buf.prom_args[i + 3] = x;
-			break;
-		case P1275_ARG_OUT_32B:
-			(void) va_arg(list, char *);
-			p1275buf.prom_args[i + 3] = (unsigned long)p;
-			p += 32;
-			break;
-		case P1275_ARG_IN_FUNCTION:
-			p1275buf.prom_args[i + 3] =
-					(unsigned long)prom_cif_callback;
-			p1275buf.prom_callback = va_arg(list, long);
-			break;
-		}
-	}
-	va_end(list);
+	raw_local_save_flags(flags);
+	raw_local_irq_restore((unsigned long)PIL_NMI);
+	raw_spin_lock(&prom_entry_lock);
 
 	prom_world(1);
-	prom_cif_interface();
+	prom_cif_direct(args);
 	prom_world(0);
 
-	attrs = fmt >> 8;
-	va_start(list, fmt);
-	for (i = 0; i < nargs; i++, attrs >>= 3) {
-		switch (attrs & 0x7) {
-		case P1275_ARG_NUMBER:
-			(void) va_arg(list, long);
-			break;
-		case P1275_ARG_IN_STRING:
-			(void) va_arg(list, char *);
-			break;
-		case P1275_ARG_IN_FUNCTION:
-			(void) va_arg(list, long);
-			break;
-		case P1275_ARG_IN_BUF:
-			(void) va_arg(list, char *);
-			(void) va_arg(list, long);
-			i++; attrs >>= 3;
-			break;
-		case P1275_ARG_OUT_BUF:
-			p = va_arg(list, char *);
-			x = va_arg(list, long);
-			memcpy (p, (char *)(p1275buf.prom_args[i + 3]), (int)x);
-			i++; attrs >>= 3;
-			break;
-		case P1275_ARG_OUT_32B:
-			p = va_arg(list, char *);
-			memcpy (p, (char *)(p1275buf.prom_args[i + 3]), 32);
-			break;
-		}
-	}
-	va_end(list);
-	x = p1275buf.prom_args [nargs + 3];
-
-	spin_unlock_irqrestore(&prom_entry_lock, flags);
-
-	return x;
+	raw_spin_unlock(&prom_entry_lock);
+	raw_local_irq_restore(flags);
 }
 
 void prom_cif_init(void *cif_handler, void *cif_stack)
diff --git a/arch/sparc/prom/palloc.c b/arch/sparc/prom/palloc.c
deleted file mode 100644
index 20be339cc2c..00000000000
--- a/arch/sparc/prom/palloc.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * palloc.c:  Memory allocation from the Sun PROM.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-
-/* You should not call these routines after memory management
- * has been initialized in the kernel, if fact you should not
- * use these if at all possible in the kernel.  They are mainly
- * to be used for a bootloader for temporary allocations which
- * it will free before jumping into the kernel it has loaded.
- *
- * Also, these routines don't work on V0 proms, only V2 and later.
- */
-
-/* Allocate a chunk of memory of size 'num_bytes' giving a suggestion
- * of virtual_hint as the preferred virtual base address of this chunk.
- * There are no guarantees that you will get the allocation, or that
- * the prom will abide by your "hint".  So check your return value.
- */
-char *
-prom_alloc(char *virtual_hint, unsigned int num_bytes)
-{
-	if(prom_vers == PROM_V0) return (char *) 0x0;
-	if(num_bytes == 0x0) return (char *) 0x0;
-	return (*(romvec->pv_v2devops.v2_dumb_mem_alloc))(virtual_hint, num_bytes);
-}
-
-/* Free a previously allocated chunk back to the prom at virtual address
- * 'vaddr' of size 'num_bytes'.  NOTE: This vaddr is not the hint you
- * used for the allocation, but the virtual address the prom actually
- * returned to you.  They may be have been the same, they may have not,
- * doesn't matter.
- */
-void
-prom_free(char *vaddr, unsigned int num_bytes)
-{
-	if((prom_vers == PROM_V0) || (num_bytes == 0x0)) return;
-	(*(romvec->pv_v2devops.v2_dumb_mem_free))(vaddr, num_bytes);
-	return;
-}
diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c
index 660943ee4c2..d9682f06b3b 100644
--- a/arch/sparc/prom/printf.c
+++ b/arch/sparc/prom/printf.c
@@ -14,27 +14,49 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/spinlock.h>
 
 #include <asm/openprom.h>
 #include <asm/oplib.h>
 
+#define CONSOLE_WRITE_BUF_SIZE	1024
+
 static char ppbuf[1024];
+static char console_write_buf[CONSOLE_WRITE_BUF_SIZE];
+static DEFINE_RAW_SPINLOCK(console_write_lock);
 
-void
-prom_write(const char *buf, unsigned int n)
+void notrace prom_write(const char *buf, unsigned int n)
 {
-	char ch;
+	unsigned int dest_len;
+	unsigned long flags;
+	char *dest;
+
+	dest = console_write_buf;
+	raw_spin_lock_irqsave(&console_write_lock, flags);
 
-	while (n != 0) {
-		--n;
-		if ((ch = *buf++) == '\n')
-			prom_putchar('\r');
-		prom_putchar(ch);
+	dest_len = 0;
+	while (n-- != 0) {
+		char ch = *buf++;
+		if (ch == '\n') {
+			*dest++ = '\r';
+			dest_len++;
+		}
+		*dest++ = ch;
+		dest_len++;
+		if (dest_len >= CONSOLE_WRITE_BUF_SIZE - 1) {
+			prom_console_write_buf(console_write_buf, dest_len);
+			dest = console_write_buf;
+			dest_len = 0;
+		}
 	}
+	if (dest_len)
+		prom_console_write_buf(console_write_buf, dest_len);
+
+	raw_spin_unlock_irqrestore(&console_write_lock, flags);
 }
 
-void
-prom_printf(const char *fmt, ...)
+void notrace prom_printf(const char *fmt, ...)
 {
 	va_list args;
 	int i;
diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c
index cd5790853ff..0857aa9e839 100644
--- a/arch/sparc/prom/ranges.c
+++ b/arch/sparc/prom/ranges.c
@@ -13,8 +13,8 @@
 #include <asm/types.h>
 #include <asm/system.h>
 
-struct linux_prom_ranges promlib_obio_ranges[PROMREG_MAX];
-int num_obio_ranges;
+static struct linux_prom_ranges promlib_obio_ranges[PROMREG_MAX];
+static int num_obio_ranges;
 
 /* Adjust register values based upon the ranges parameters. */
 static void
@@ -35,7 +35,7 @@ prom_adjust_regs(struct linux_prom_registers *regp, int nregs,
 	}
 }
 
-void
+static void
 prom_adjust_ranges(struct linux_prom_ranges *ranges1, int nranges1,
 		   struct linux_prom_ranges *ranges2, int nranges2)
 {
@@ -68,7 +68,7 @@ EXPORT_SYMBOL(prom_apply_obio_ranges);
 
 void __init prom_ranges_init(void)
 {
-	int node, obio_node;
+	phandle node, obio_node;
 	int success;
 
 	num_obio_ranges = 0;
@@ -87,12 +87,10 @@ void __init prom_ranges_init(void)
 
 	if(num_obio_ranges)
 		prom_printf("PROMLIB: obio_ranges %d\n", num_obio_ranges);
-
-	return;
 }
 
-void
-prom_apply_generic_ranges (int node, int parent, struct linux_prom_registers *regs, int nregs)
+void prom_apply_generic_ranges(phandle node, phandle parent,
+		struct linux_prom_registers *regs, int nregs)
 {
 	int success;
 	int num_ranges;
diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c
index 04fd03a7f92..86a663f1d3c 100644
--- a/arch/sparc/prom/segment.c
+++ b/arch/sparc/prom/segment.c
@@ -25,5 +25,4 @@ prom_putsegment(int ctx, unsigned long vaddr, int segment)
 	(*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment);
 	restore_current();
 	spin_unlock_irqrestore(&prom_lock, flags);
-	return;
 }
diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c
index 646d244b1fd..f30e8d038f0 100644
--- a/arch/sparc/prom/tree_32.c
+++ b/arch/sparc/prom/tree_32.c
@@ -20,10 +20,10 @@ extern void restore_current(void);
 static char promlib_buf[128];
 
 /* Internal version of prom_getchild that does not alter return values. */
-int __prom_getchild(int node)
+static phandle __prom_getchild(phandle node)
 {
 	unsigned long flags;
-	int cnode;
+	phandle cnode;
 
 	spin_lock_irqsave(&prom_lock, flags);
 	cnode = prom_nodeops->no_child(node);
@@ -36,15 +36,15 @@ int __prom_getchild(int node)
 /* Return the child of node 'node' or zero if no this node has no
  * direct descendent.
  */
-int prom_getchild(int node)
+phandle prom_getchild(phandle node)
 {
-	int cnode;
+	phandle cnode;
 
-	if (node == -1)
+	if ((s32)node == -1)
 		return 0;
 
 	cnode = __prom_getchild(node);
-	if (cnode == 0 || cnode == -1)
+	if (cnode == 0 || (s32)cnode == -1)
 		return 0;
 
 	return cnode;
@@ -52,10 +52,10 @@ int prom_getchild(int node)
 EXPORT_SYMBOL(prom_getchild);
 
 /* Internal version of prom_getsibling that does not alter return values. */
-int __prom_getsibling(int node)
+static phandle __prom_getsibling(phandle node)
 {
 	unsigned long flags;
-	int cnode;
+	phandle cnode;
 
 	spin_lock_irqsave(&prom_lock, flags);
 	cnode = prom_nodeops->no_nextnode(node);
@@ -68,15 +68,15 @@ int __prom_getsibling(int node)
 /* Return the next sibling of node 'node' or zero if no more siblings
  * at this level of depth in the tree.
  */
-int prom_getsibling(int node)
+phandle prom_getsibling(phandle node)
 {
-	int sibnode;
+	phandle sibnode;
 
-	if (node == -1)
+	if ((s32)node == -1)
 		return 0;
 
 	sibnode = __prom_getsibling(node);
-	if (sibnode == 0 || sibnode == -1)
+	if (sibnode == 0 || (s32)sibnode == -1)
 		return 0;
 
 	return sibnode;
@@ -86,7 +86,7 @@ EXPORT_SYMBOL(prom_getsibling);
 /* Return the length in bytes of property 'prop' at node 'node'.
  * Return -1 on error.
  */
-int prom_getproplen(int node, const char *prop)
+int prom_getproplen(phandle node, const char *prop)
 {
 	int ret;
 	unsigned long flags;
@@ -106,7 +106,7 @@ EXPORT_SYMBOL(prom_getproplen);
  * 'buffer' which has a size of 'bufsize'.  If the acquisition
  * was successful the length will be returned, else -1 is returned.
  */
-int prom_getproperty(int node, const char *prop, char *buffer, int bufsize)
+int prom_getproperty(phandle node, const char *prop, char *buffer, int bufsize)
 {
 	int plen, ret;
 	unsigned long flags;
@@ -126,7 +126,7 @@ EXPORT_SYMBOL(prom_getproperty);
 /* Acquire an integer property and return its value.  Returns -1
  * on failure.
  */
-int prom_getint(int node, char *prop)
+int prom_getint(phandle node, char *prop)
 {
 	static int intprop;
 
@@ -140,7 +140,7 @@ EXPORT_SYMBOL(prom_getint);
 /* Acquire an integer property, upon error return the passed default
  * integer.
  */
-int prom_getintdefault(int node, char *property, int deflt)
+int prom_getintdefault(phandle node, char *property, int deflt)
 {
 	int retval;
 
@@ -152,7 +152,7 @@ int prom_getintdefault(int node, char *property, int deflt)
 EXPORT_SYMBOL(prom_getintdefault);
 
 /* Acquire a boolean property, 1=TRUE 0=FALSE. */
-int prom_getbool(int node, char *prop)
+int prom_getbool(phandle node, char *prop)
 {
 	int retval;
 
@@ -166,39 +166,25 @@ EXPORT_SYMBOL(prom_getbool);
  * string on error.  The char pointer is the user supplied string
  * buffer.
  */
-void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size)
+void prom_getstring(phandle node, char *prop, char *user_buf, int ubuf_size)
 {
 	int len;
 
 	len = prom_getproperty(node, prop, user_buf, ubuf_size);
 	if(len != -1) return;
 	user_buf[0] = 0;
-	return;
 }
 EXPORT_SYMBOL(prom_getstring);
 
 
-/* Does the device at node 'node' have name 'name'?
- * YES = 1   NO = 0
- */
-int prom_nodematch(int node, char *name)
-{
-	int error;
-
-	static char namebuf[128];
-	error = prom_getproperty(node, "name", namebuf, sizeof(namebuf));
-	if (error == -1) return 0;
-	if(strcmp(namebuf, name) == 0) return 1;
-	return 0;
-}
-
 /* Search siblings at 'node_start' for a node with name
  * 'nodename'.  Return node if successful, zero if not.
  */
-int prom_searchsiblings(int node_start, char *nodename)
+phandle prom_searchsiblings(phandle node_start, char *nodename)
 {
 
-	int thisnode, error;
+	phandle thisnode;
+	int error;
 
 	for(thisnode = node_start; thisnode;
 	    thisnode=prom_getsibling(thisnode)) {
@@ -214,7 +200,7 @@ int prom_searchsiblings(int node_start, char *nodename)
 EXPORT_SYMBOL(prom_searchsiblings);
 
 /* Interal version of nextprop that does not alter return values. */
-char * __prom_nextprop(int node, char * oprop)
+static char *__prom_nextprop(phandle node, char * oprop)
 {
 	unsigned long flags;
 	char *prop;
@@ -227,35 +213,24 @@ char * __prom_nextprop(int node, char * oprop)
 	return prop;
 }
 
-/* Return the first property name for node 'node'. */
-/* buffer is unused argument, but as v9 uses it, we need to have the same interface */
-char * prom_firstprop(int node, char *bufer)
-{
-	if (node == 0 || node == -1)
-		return "";
-
-	return __prom_nextprop(node, "");
-}
-EXPORT_SYMBOL(prom_firstprop);
-
 /* Return the property type string after property type 'oprop'
  * at node 'node' .  Returns empty string if no more
  * property types for this node.
  */
-char * prom_nextprop(int node, char *oprop, char *buffer)
+char *prom_nextprop(phandle node, char *oprop, char *buffer)
 {
-	if (node == 0 || node == -1)
+	if (node == 0 || (s32)node == -1)
 		return "";
 
 	return __prom_nextprop(node, oprop);
 }
 EXPORT_SYMBOL(prom_nextprop);
 
-int prom_finddevice(char *name)
+phandle prom_finddevice(char *name)
 {
 	char nbuf[128];
 	char *s = name, *d;
-	int node = prom_root_node, node2;
+	phandle node = prom_root_node, node2;
 	unsigned int which_io, phys_addr;
 	struct linux_prom_registers reg[PROMREG_MAX];
 
@@ -278,7 +253,7 @@ int prom_finddevice(char *name)
 				if (d != s + 3 && (!*d || *d == '/')
 				    && d <= s + 3 + 8) {
 					node2 = node;
-					while (node2 && node2 != -1) {
+					while (node2 && (s32)node2 != -1) {
 						if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) {
 							if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) {
 								node = node2;
@@ -286,7 +261,7 @@ int prom_finddevice(char *name)
 							}
 						}
 						node2 = prom_getsibling(node2);
-						if (!node2 || node2 == -1)
+						if (!node2 || (s32)node2 == -1)
 							break;
 						node2 = prom_searchsiblings(prom_getsibling(node2), nbuf);
 					}
@@ -299,29 +274,18 @@ int prom_finddevice(char *name)
 }
 EXPORT_SYMBOL(prom_finddevice);
 
-int prom_node_has_property(int node, char *prop)
-{
-	char *current_property = "";
-
-	do {
-		current_property = prom_nextprop(node, current_property, NULL);
-		if(!strcmp(current_property, prop))
-		   return 1;
-	} while (*current_property);
-	return 0;
-}
-EXPORT_SYMBOL(prom_node_has_property);
-
 /* Set property 'pname' at node 'node' to value 'value' which has a length
  * of 'size' bytes.  Return the number of bytes the prom accepted.
  */
-int prom_setprop(int node, const char *pname, char *value, int size)
+int prom_setprop(phandle node, const char *pname, char *value, int size)
 {
 	unsigned long flags;
 	int ret;
 
-	if(size == 0) return 0;
-	if((pname == 0) || (value == 0)) return 0;
+	if (size == 0)
+		return 0;
+	if ((pname == NULL) || (value == NULL))
+		return 0;
 	spin_lock_irqsave(&prom_lock, flags);
 	ret = prom_nodeops->no_setprop(node, pname, value, size);
 	restore_current();
@@ -330,30 +294,16 @@ int prom_setprop(int node, const char *pname, char *value, int size)
 }
 EXPORT_SYMBOL(prom_setprop);
 
-int prom_inst2pkg(int inst)
+phandle prom_inst2pkg(int inst)
 {
-	int node;
+	phandle node;
 	unsigned long flags;
 	
 	spin_lock_irqsave(&prom_lock, flags);
 	node = (*romvec->pv_v2devops.v2_inst2pkg)(inst);
 	restore_current();
 	spin_unlock_irqrestore(&prom_lock, flags);
-	if (node == -1) return 0;
-	return node;
-}
-
-/* Return 'node' assigned to a particular prom 'path'
- * FIXME: Should work for v0 as well
- */
-int prom_pathtoinode(char *path)
-{
-	int node, inst;
-	
-	inst = prom_devopen (path);
-	if (inst == -1) return 0;
-	node = prom_inst2pkg (inst);
-	prom_devclose (inst);
-	if (node == -1) return 0;
+	if ((s32)node == -1)
+		return 0;
 	return node;
 }
diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c
index 8ea73ddc61d..92204c3800b 100644
--- a/arch/sparc/prom/tree_64.c
+++ b/arch/sparc/prom/tree_64.c
@@ -16,51 +16,70 @@
 #include <asm/oplib.h>
 #include <asm/ldc.h>
 
+static phandle prom_node_to_node(const char *type, phandle node)
+{
+	unsigned long args[5];
+
+	args[0] = (unsigned long) type;
+	args[1] = 1;
+	args[2] = 1;
+	args[3] = (unsigned int) node;
+	args[4] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (phandle) args[4];
+}
+
 /* Return the child of node 'node' or zero if no this node has no
  * direct descendent.
  */
-inline int __prom_getchild(int node)
+inline phandle __prom_getchild(phandle node)
 {
-	return p1275_cmd ("child", P1275_INOUT(1, 1), node);
+	return prom_node_to_node("child", node);
 }
 
-inline int prom_getchild(int node)
+inline phandle prom_getchild(phandle node)
 {
-	int cnode;
+	phandle cnode;
 
-	if(node == -1) return 0;
+	if ((s32)node == -1)
+		return 0;
 	cnode = __prom_getchild(node);
-	if(cnode == -1) return 0;
-	return (int)cnode;
+	if ((s32)cnode == -1)
+		return 0;
+	return cnode;
 }
 EXPORT_SYMBOL(prom_getchild);
 
-inline int prom_getparent(int node)
+inline phandle prom_getparent(phandle node)
 {
-	int cnode;
+	phandle cnode;
 
-	if(node == -1) return 0;
-	cnode = p1275_cmd ("parent", P1275_INOUT(1, 1), node);
-	if(cnode == -1) return 0;
-	return (int)cnode;
+	if ((s32)node == -1)
+		return 0;
+	cnode = prom_node_to_node("parent", node);
+	if ((s32)cnode == -1)
+		return 0;
+	return cnode;
 }
 
 /* Return the next sibling of node 'node' or zero if no more siblings
  * at this level of depth in the tree.
  */
-inline int __prom_getsibling(int node)
+inline phandle __prom_getsibling(phandle node)
 {
-	return p1275_cmd(prom_peer_name, P1275_INOUT(1, 1), node);
+	return prom_node_to_node(prom_peer_name, node);
 }
 
-inline int prom_getsibling(int node)
+inline phandle prom_getsibling(phandle node)
 {
-	int sibnode;
+	phandle sibnode;
 
-	if (node == -1)
+	if ((s32)node == -1)
 		return 0;
 	sibnode = __prom_getsibling(node);
-	if (sibnode == -1)
+	if ((s32)sibnode == -1)
 		return 0;
 
 	return sibnode;
@@ -70,13 +89,23 @@ EXPORT_SYMBOL(prom_getsibling);
 /* Return the length in bytes of property 'prop' at node 'node'.
  * Return -1 on error.
  */
-inline int prom_getproplen(int node, const char *prop)
+inline int prom_getproplen(phandle node, const char *prop)
 {
-	if((!node) || (!prop)) return -1;
-	return p1275_cmd ("getproplen", 
-			  P1275_ARG(1,P1275_ARG_IN_STRING)|
-			  P1275_INOUT(2, 1), 
-			  node, prop);
+	unsigned long args[6];
+
+	if (!node || !prop)
+		return -1;
+
+	args[0] = (unsigned long) "getproplen";
+	args[1] = 2;
+	args[2] = 1;
+	args[3] = (unsigned int) node;
+	args[4] = (unsigned long) prop;
+	args[5] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (int) args[5];
 }
 EXPORT_SYMBOL(prom_getproplen);
 
@@ -84,33 +113,39 @@ EXPORT_SYMBOL(prom_getproplen);
  * 'buffer' which has a size of 'bufsize'.  If the acquisition
  * was successful the length will be returned, else -1 is returned.
  */
-inline int prom_getproperty(int node, const char *prop,
+inline int prom_getproperty(phandle node, const char *prop,
 			    char *buffer, int bufsize)
 {
+	unsigned long args[8];
 	int plen;
 
 	plen = prom_getproplen(node, prop);
-	if ((plen > bufsize) || (plen == 0) || (plen == -1)) {
+	if ((plen > bufsize) || (plen == 0) || (plen == -1))
 		return -1;
-	} else {
-		/* Ok, things seem all right. */
-		return p1275_cmd(prom_getprop_name, 
-				 P1275_ARG(1,P1275_ARG_IN_STRING)|
-				 P1275_ARG(2,P1275_ARG_OUT_BUF)|
-				 P1275_INOUT(4, 1), 
-				 node, prop, buffer, P1275_SIZE(plen));
-	}
+
+	args[0] = (unsigned long) prom_getprop_name;
+	args[1] = 4;
+	args[2] = 1;
+	args[3] = (unsigned int) node;
+	args[4] = (unsigned long) prop;
+	args[5] = (unsigned long) buffer;
+	args[6] = bufsize;
+	args[7] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (int) args[7];
 }
 EXPORT_SYMBOL(prom_getproperty);
 
 /* Acquire an integer property and return its value.  Returns -1
  * on failure.
  */
-inline int prom_getint(int node, const char *prop)
+inline int prom_getint(phandle node, const char *prop)
 {
 	int intprop;
 
-	if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)
+	if (prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)
 		return intprop;
 
 	return -1;
@@ -121,24 +156,26 @@ EXPORT_SYMBOL(prom_getint);
  * integer.
  */
 
-int prom_getintdefault(int node, const char *property, int deflt)
+int prom_getintdefault(phandle node, const char *property, int deflt)
 {
 	int retval;
 
 	retval = prom_getint(node, property);
-	if(retval == -1) return deflt;
+	if (retval == -1)
+		return deflt;
 
 	return retval;
 }
 EXPORT_SYMBOL(prom_getintdefault);
 
 /* Acquire a boolean property, 1=TRUE 0=FALSE. */
-int prom_getbool(int node, const char *prop)
+int prom_getbool(phandle node, const char *prop)
 {
 	int retval;
 
 	retval = prom_getproplen(node, prop);
-	if(retval == -1) return 0;
+	if (retval == -1)
+		return 0;
 	return 1;
 }
 EXPORT_SYMBOL(prom_getbool);
@@ -147,35 +184,37 @@ EXPORT_SYMBOL(prom_getbool);
  * string on error.  The char pointer is the user supplied string
  * buffer.
  */
-void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size)
+void prom_getstring(phandle node, const char *prop, char *user_buf,
+		int ubuf_size)
 {
 	int len;
 
 	len = prom_getproperty(node, prop, user_buf, ubuf_size);
-	if(len != -1) return;
+	if (len != -1)
+		return;
 	user_buf[0] = 0;
-	return;
 }
 EXPORT_SYMBOL(prom_getstring);
 
 /* Does the device at node 'node' have name 'name'?
  * YES = 1   NO = 0
  */
-int prom_nodematch(int node, const char *name)
+int prom_nodematch(phandle node, const char *name)
 {
 	char namebuf[128];
 	prom_getproperty(node, "name", namebuf, sizeof(namebuf));
-	if(strcmp(namebuf, name) == 0) return 1;
+	if (strcmp(namebuf, name) == 0)
+		return 1;
 	return 0;
 }
 
 /* Search siblings at 'node_start' for a node with name
  * 'nodename'.  Return node if successful, zero if not.
  */
-int prom_searchsiblings(int node_start, const char *nodename)
+phandle prom_searchsiblings(phandle node_start, const char *nodename)
 {
-
-	int thisnode, error;
+	phandle thisnode;
+	int error;
 	char promlib_buf[128];
 
 	for(thisnode = node_start; thisnode;
@@ -191,16 +230,29 @@ int prom_searchsiblings(int node_start, const char *nodename)
 }
 EXPORT_SYMBOL(prom_searchsiblings);
 
+static const char *prom_nextprop_name = "nextprop";
+
 /* Return the first property type for node 'node'.
  * buffer should be at least 32B in length
  */
-inline char *prom_firstprop(int node, char *buffer)
+inline char *prom_firstprop(phandle node, char *buffer)
 {
+	unsigned long args[7];
+
 	*buffer = 0;
-	if(node == -1) return buffer;
-	p1275_cmd ("nextprop", P1275_ARG(2,P1275_ARG_OUT_32B)|
-			       P1275_INOUT(3, 0), 
-			       node, (char *) 0x0, buffer);
+	if ((s32)node == -1)
+		return buffer;
+
+	args[0] = (unsigned long) prom_nextprop_name;
+	args[1] = 3;
+	args[2] = 1;
+	args[3] = (unsigned int) node;
+	args[4] = 0;
+	args[5] = (unsigned long) buffer;
+	args[6] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
 	return buffer;
 }
 EXPORT_SYMBOL(prom_firstprop);
@@ -209,11 +261,12 @@ EXPORT_SYMBOL(prom_firstprop);
  * at node 'node' .  Returns NULL string if no more
  * property types for this node.
  */
-inline char *prom_nextprop(int node, const char *oprop, char *buffer)
+inline char *prom_nextprop(phandle node, const char *oprop, char *buffer)
 {
+	unsigned long args[7];
 	char buf[32];
 
-	if(node == -1) {
+	if ((s32)node == -1) {
 		*buffer = 0;
 		return buffer;
 	}
@@ -221,34 +274,47 @@ inline char *prom_nextprop(int node, const char *oprop, char *buffer)
 		strcpy (buf, oprop);
 		oprop = buf;
 	}
-	p1275_cmd ("nextprop", P1275_ARG(1,P1275_ARG_IN_STRING)|
-				    P1275_ARG(2,P1275_ARG_OUT_32B)|
-				    P1275_INOUT(3, 0), 
-				    node, oprop, buffer); 
+
+	args[0] = (unsigned long) prom_nextprop_name;
+	args[1] = 3;
+	args[2] = 1;
+	args[3] = (unsigned int) node;
+	args[4] = (unsigned long) oprop;
+	args[5] = (unsigned long) buffer;
+	args[6] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
 	return buffer;
 }
 EXPORT_SYMBOL(prom_nextprop);
 
-int
-prom_finddevice(const char *name)
+phandle prom_finddevice(const char *name)
 {
+	unsigned long args[5];
+
 	if (!name)
 		return 0;
-	return p1275_cmd(prom_finddev_name,
-			 P1275_ARG(0,P1275_ARG_IN_STRING)|
-			 P1275_INOUT(1, 1), 
-			 name);
+	args[0] = (unsigned long) "finddevice";
+	args[1] = 1;
+	args[2] = 1;
+	args[3] = (unsigned long) name;
+	args[4] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (int) args[4];
 }
 EXPORT_SYMBOL(prom_finddevice);
 
-int prom_node_has_property(int node, const char *prop)
+int prom_node_has_property(phandle node, const char *prop)
 {
 	char buf [32];
         
 	*buf = 0;
 	do {
 		prom_nextprop(node, buf, buf);
-		if(!strcmp(buf, prop))
+		if (!strcmp(buf, prop))
 			return 1;
 	} while (*buf);
 	return 0;
@@ -259,8 +325,10 @@ EXPORT_SYMBOL(prom_node_has_property);
  * of 'size' bytes.  Return the number of bytes the prom accepted.
  */
 int
-prom_setprop(int node, const char *pname, char *value, int size)
+prom_setprop(phandle node, const char *pname, char *value, int size)
 {
+	unsigned long args[8];
+
 	if (size == 0)
 		return 0;
 	if ((pname == 0) || (value == 0))
@@ -272,42 +340,53 @@ prom_setprop(int node, const char *pname, char *value, int size)
 		return 0;
 	}
 #endif
-	return p1275_cmd ("setprop", P1275_ARG(1,P1275_ARG_IN_STRING)|
-					  P1275_ARG(2,P1275_ARG_IN_BUF)|
-					  P1275_INOUT(4, 1), 
-					  node, pname, value, P1275_SIZE(size));
+	args[0] = (unsigned long) "setprop";
+	args[1] = 4;
+	args[2] = 1;
+	args[3] = (unsigned int) node;
+	args[4] = (unsigned long) pname;
+	args[5] = (unsigned long) value;
+	args[6] = size;
+	args[7] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (int) args[7];
 }
 EXPORT_SYMBOL(prom_setprop);
 
-inline int prom_inst2pkg(int inst)
+inline phandle prom_inst2pkg(int inst)
 {
-	int node;
+	unsigned long args[5];
+	phandle node;
 	
-	node = p1275_cmd ("instance-to-package", P1275_INOUT(1, 1), inst);
-	if (node == -1) return 0;
-	return node;
-}
+	args[0] = (unsigned long) "instance-to-package";
+	args[1] = 1;
+	args[2] = 1;
+	args[3] = (unsigned int) inst;
+	args[4] = (unsigned long) -1;
 
-/* Return 'node' assigned to a particular prom 'path'
- * FIXME: Should work for v0 as well
- */
-int
-prom_pathtoinode(const char *path)
-{
-	int node, inst;
+	p1275_cmd_direct(args);
 
-	inst = prom_devopen (path);
-	if (inst == 0) return 0;
-	node = prom_inst2pkg (inst);
-	prom_devclose (inst);
-	if (node == -1) return 0;
+	node = (int) args[4];
+	if ((s32)node == -1)
+		return 0;
 	return node;
 }
 
 int prom_ihandle2path(int handle, char *buffer, int bufsize)
 {
-	return p1275_cmd("instance-to-path",
-			 P1275_ARG(1,P1275_ARG_OUT_BUF)|
-			 P1275_INOUT(3, 1),
-			 handle, buffer, P1275_SIZE(bufsize));
+	unsigned long args[7];
+
+	args[0] = (unsigned long) "instance-to-path";
+	args[1] = 3;
+	args[2] = 1;
+	args[3] = (unsigned int) handle;
+	args[4] = (unsigned long) buffer;
+	args[5] = bufsize;
+	args[6] = (unsigned long) -1;
+
+	p1275_cmd_direct(args);
+
+	return (int) args[6];
 }