ppc64: fix more 0/NULL confusion

arch/ppc64/kernel/eeh.c

@@ -473,10 +473,10 @@ static void *early_enable_eeh(struct device_node *dn, void *data)
 {
 	struct eeh_early_enable_info *info = data;
 	int ret;
-	char *status = get_property(dn, "status", 0);
-	u32 *class_code = (u32 *)get_property(dn, "class-code", 0);
-	u32 *vendor_id = (u32 *)get_property(dn, "vendor-id", 0);
-	u32 *device_id = (u32 *)get_property(dn, "device-id", 0);
+	char *status = get_property(dn, "status", NULL);
+	u32 *class_code = (u32 *)get_property(dn, "class-code", NULL);
+	u32 *vendor_id = (u32 *)get_property(dn, "vendor-id", NULL);
+	u32 *device_id = (u32 *)get_property(dn, "device-id", NULL);
 	u32 *regs;
 	int enable;
 
@@ -522,7 +522,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data)
 
 	/* Ok... see if this device supports EEH.  Some do, some don't,
 	 * and the only way to find out is to check each and every one. */
-	regs = (u32 *)get_property(dn, "reg", 0);
+	regs = (u32 *)get_property(dn, "reg", NULL);
 	if (regs) {
 		/* First register entry is addr (00BBSS00)  */
 		/* Try to enable eeh */
@@ -802,7 +802,7 @@ static int eeh_check_opts_config(struct device_node *dn,
 
 	/* Build list of strings to match */
 	nstrs = 0;
-	s = (char *)get_property(dn, "ibm,loc-code", 0);
+	s = (char *)get_property(dn, "ibm,loc-code", NULL);
 	if (s)
 		strs[nstrs++] = s;
 	sprintf(devname, "dev%04x:%04x", vendor_id, device_id);

arch/ppc64/kernel/hvconsole.c

@@ -76,7 +76,7 @@ int hvc_count(int *start_termno)
 	 * we should _always_ be able to find one. */
 	vty = of_find_node_by_name(NULL, "vty");
 	if (vty && device_is_compatible(vty, "hvterm1")) {
-		u32 *termno = (u32 *)get_property(vty, "reg", 0);
+		u32 *termno = (u32 *)get_property(vty, "reg", NULL);
 
 		if (termno && start_termno)
 			*start_termno = *termno;

arch/ppc64/kernel/open_pic.c

@@ -168,7 +168,7 @@ void __init pSeries_init_openpic(void)
         struct device_node *np;
         int i;
         unsigned int *addrp;
-        unsigned char* chrp_int_ack_special = 0;
+        unsigned char* chrp_int_ack_special = NULL;
         unsigned char init_senses[NR_IRQS - NUM_ISA_INTERRUPTS];
         int nmi_irq = -1;
 #if defined(CONFIG_VT) && defined(CONFIG_ADB_KEYBOARD) && defined(XMON)
@@ -642,13 +642,13 @@ void openpic_request_IPIs(void)
 
 	/* IPIs are marked SA_INTERRUPT as they must run with irqs disabled */
 	request_irq(openpic_vec_ipi, openpic_ipi_action, SA_INTERRUPT,
-		    "IPI0 (call function)", 0);
+		    "IPI0 (call function)", NULL);
 	request_irq(openpic_vec_ipi+1, openpic_ipi_action, SA_INTERRUPT,
-		   "IPI1 (reschedule)", 0);
+		   "IPI1 (reschedule)", NULL);
 	request_irq(openpic_vec_ipi+2, openpic_ipi_action, SA_INTERRUPT,
-		   "IPI2 (unused)", 0);
+		   "IPI2 (unused)", NULL);
 	request_irq(openpic_vec_ipi+3, openpic_ipi_action, SA_INTERRUPT,
-		   "IPI3 (debugger break)", 0);
+		   "IPI3 (debugger break)", NULL);
 
 	for ( i = 0; i < OPENPIC_NUM_IPI ; i++ )
 		openpic_enable_ipi(openpic_vec_ipi+i);

arch/ppc64/kernel/pSeries_iommu.c

@@ -147,7 +147,7 @@ static void iommu_buses_init_lpar(struct list_head *bus_list)
 		bus = pci_bus_b(ln);
 		busdn = PCI_GET_DN(bus);
 
-		dma_window = (unsigned int *)get_property(busdn, "ibm,dma-window", 0);
+		dma_window = (unsigned int *)get_property(busdn, "ibm,dma-window", NULL);
 		if (dma_window) {
 			/* Bussubno hasn't been copied yet.
 			 * Do it now because iommu_table_setparms_lpar needs it.
@@ -231,7 +231,7 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb,
 {
 	unsigned int *dma_window;
 
-	dma_window = (unsigned int *)get_property(dn, "ibm,dma-window", 0);
+	dma_window = (unsigned int *)get_property(dn, "ibm,dma-window", NULL);
 
 	if (!dma_window)
 		panic("iommu_table_setparms_lpar: device %s has no"

arch/ppc64/kernel/pSeries_lpar.c

@@ -269,7 +269,7 @@ static int find_udbg_vterm(void)
 	}
 
 	/* now we have the stdout node; figure out what type of device it is. */
-	name = (char *)get_property(stdout_node, "name", 0);
+	name = (char *)get_property(stdout_node, "name", NULL);
 	if (!name) {
 		printk(KERN_WARNING "stdout node missing 'name' property!\n");
 		goto out;
@@ -277,7 +277,7 @@ static int find_udbg_vterm(void)
 
 	if (strncmp(name, "vty", 3) == 0) {
 		if (device_is_compatible(stdout_node, "hvterm1")) {
-			termno = (u32 *)get_property(stdout_node, "reg", 0);
+			termno = (u32 *)get_property(stdout_node, "reg", NULL);
 			if (termno) {
 				vtermno = termno[0];
 				ppc_md.udbg_putc = udbg_putcLP;

arch/ppc64/kernel/pci_dn.c

@@ -49,13 +49,13 @@ update_dn_pci_info(struct device_node *dn, void *data)
 #ifdef CONFIG_PPC_PSERIES
 	struct pci_controller *phb = (struct pci_controller *)data;
 	u32 *regs;
-	char *device_type = get_property(dn, "device_type", 0);
+	char *device_type = get_property(dn, "device_type", NULL);
 	char *model;
 
 	dn->phb = phb;
-	if (device_type && strcmp(device_type, "pci") == 0 && get_property(dn, "class-code", 0) == 0) {
+	if (device_type && strcmp(device_type, "pci") == 0 && get_property(dn, "class-code", NULL) == 0) {
 		/* special case for PHB's.  Sigh. */
-		regs = (u32 *)get_property(dn, "bus-range", 0);
+		regs = (u32 *)get_property(dn, "bus-range", NULL);
 		dn->busno = regs[0];
 
 		model = (char *)get_property(dn, "model", NULL);
@@ -65,7 +65,7 @@ update_dn_pci_info(struct device_node *dn, void *data)
 		else
 			dn->devfn = 0;	/* assumption */
 	} else {
-		regs = (u32 *)get_property(dn, "reg", 0);
+		regs = (u32 *)get_property(dn, "reg", NULL);
 		if (regs) {
 			/* First register entry is addr (00BBSS00)  */
 			dn->busno = (regs[0] >> 16) & 0xff;
@@ -107,7 +107,7 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre, travers
 	for (dn = start->child; dn; dn = nextdn) {
 		nextdn = NULL;
 #ifdef CONFIG_PPC_PSERIES
-		if (get_property(dn, "class-code", 0)) {
+		if (get_property(dn, "class-code", NULL)) {
 			if (pre && (ret = pre(dn, data)) != NULL)
 				return ret;
 			if (dn->child) {

arch/ppc64/kernel/pmac_pci.c

@@ -57,7 +57,7 @@ static int __init fixup_one_level_bus_range(struct device_node *node, int higher
 		int len;
 
 		/* For PCI<->PCI bridges or CardBus bridges, we go down */
-		class_code = (unsigned int *) get_property(node, "class-code", 0);
+		class_code = (unsigned int *) get_property(node, "class-code", NULL);
 		if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI &&
 			(*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS))
 			continue;

arch/ppc64/kernel/proc_ppc64.c

@@ -84,7 +84,7 @@ static int __init proc_ppc64_create(void)
 {
 	struct proc_dir_entry *root;
 
-	root = proc_mkdir("ppc64", 0);
+	root = proc_mkdir("ppc64", NULL);
 	if (!root)
 		return 1;
 
@@ -94,7 +94,7 @@ static int __init proc_ppc64_create(void)
 	if (!proc_mkdir("rtas", root))
 		return 1;
 
-	if (!proc_symlink("rtas", 0, "ppc64/rtas"))
+	if (!proc_symlink("rtas", NULL, "ppc64/rtas"))
 		return 1;
 
 	return 0;

arch/ppc64/kernel/rtas.c

@@ -31,7 +31,7 @@
 #include <asm/delay.h>
 #include <asm/uaccess.h>
 
-struct flash_block_list_header rtas_firmware_flash_list = {0, 0};
+struct flash_block_list_header rtas_firmware_flash_list = {0, NULL};
 
 struct rtas_t rtas = { 
 	.lock = SPIN_LOCK_UNLOCKED
@@ -329,7 +329,7 @@ rtas_flash_firmware(void)
 		if (f->next)
 			f->next = (struct flash_block_list *)virt_to_abs(f->next);
 		else
-			f->next = 0LL;
+			f->next = NULL;
 		/* make num_blocks into the version/length field */
 		f->num_blocks = (FLASH_BLOCK_LIST_VERSION << 56) | ((f->num_blocks+1)*16);
 	}

arch/ppc64/kernel/rtasd.c

@@ -455,7 +455,7 @@ static int __init rtas_init(void)
 	else
 		printk(KERN_ERR "Failed to create error_log proc entry\n");
 
-	if (kernel_thread(rtasd, 0, CLONE_FS) < 0)
+	if (kernel_thread(rtasd, NULL, CLONE_FS) < 0)
 		printk(KERN_ERR "Failed to start RTAS daemon\n");
 
 	return 0;

arch/ppc64/kernel/rtc.c

@@ -207,7 +207,7 @@ static int __init rtc_init(void)
 		return retval;
 
 #ifdef CONFIG_PROC_FS
-	if(create_proc_read_entry ("driver/rtc", 0, 0, rtc_read_proc, NULL) == NULL)
+	if (create_proc_read_entry ("driver/rtc", 0, NULL, rtc_read_proc, NULL) == NULL)
 		misc_deregister(&rtc_dev);
 		return -ENOMEM;
 #endif

arch/ppc64/kernel/smp.c

@@ -715,7 +715,7 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic,
 			printk("smp_call_function on cpu %d: other cpus not "
 			       "responding (%d)\n", smp_processor_id(),
 			       atomic_read(&data.started));
-			debugger(0);
+			debugger(NULL);
 			goto out;
 		}
 	}
@@ -730,7 +730,7 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic,
 				       smp_processor_id(),
 				       atomic_read(&data.finished),
 				       atomic_read(&data.started));
-				debugger(0);
+				debugger(NULL);
 				goto out;
 			}
 		}

arch/ppc64/kernel/vio.c

@@ -380,7 +380,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
 	viodev->dev.platform_data = of_node_get(of_node);
 
 	viodev->irq = NO_IRQ;
-	irq_p = (unsigned int *)get_property(of_node, "interrupts", 0);
+	irq_p = (unsigned int *)get_property(of_node, "interrupts", NULL);
 	if (irq_p) {
 		int virq = virt_irq_create_mapping(*irq_p);
 		if (virq == NO_IRQ) {

arch/ppc64/kernel/xics.c

@@ -475,7 +475,7 @@ void xics_init_IRQ(void)
 		while (1);
 	}
 nextnode:
-	ireg = (uint *)get_property(np, "ibm,interrupt-server-ranges", 0);
+	ireg = (uint *)get_property(np, "ibm,interrupt-server-ranges", NULL);
 	if (ireg) {
 		/*
 		 * set node starting index for this node
@@ -532,7 +532,7 @@ void xics_init_IRQ(void)
 		xics_irq_8259_cascade_real = -1;
 		xics_irq_8259_cascade = -1;
 	} else {
-		ireg = (uint *) get_property(np, "interrupts", 0);
+		ireg = (uint *) get_property(np, "interrupts", NULL);
 		if (!ireg) {
 			printk(KERN_WARNING "Can't find ISA Interrupts Property\n");
 			udbg_printf("Can't find ISA Interrupts Property\n");
@@ -589,7 +589,7 @@ static int __init xics_setup_i8259(void)
 	if (naca->interrupt_controller == IC_PPC_XIC &&
 	    xics_irq_8259_cascade != -1) {
 		if (request_irq(irq_offset_up(xics_irq_8259_cascade),
-				no_action, 0, "8259 cascade", 0))
+				no_action, 0, "8259 cascade", NULL))
 			printk(KERN_ERR "xics_init_IRQ: couldn't get 8259 cascade\n");
 		i8259_init();
 	}
@@ -604,7 +604,7 @@ void xics_request_IPIs(void)
 
 	/* IPIs are marked SA_INTERRUPT as they must run with irqs disabled */
 	request_irq(irq_offset_up(XICS_IPI), xics_ipi_action, SA_INTERRUPT,
-		    "IPI", 0);
+		    "IPI", NULL);
 	get_irq_desc(irq_offset_up(XICS_IPI))->status |= IRQ_PER_CPU;
 }
 #endif

fs/proc/proc_devtree.c

@@ -140,7 +140,7 @@ void proc_device_tree_add_node(struct device_node *np, struct proc_dir_entry *de
 		lastp = &al->next;
 	}
 	of_node_put(child);
-	*lastp = 0;
+	*lastp = NULL;
 	de->subdir = list;
 }
 
@@ -152,7 +152,7 @@ void proc_device_tree_init(void)
 	struct device_node *root;
 	if ( !have_of )
 		return;
-	proc_device_tree = proc_mkdir("device-tree", 0);
+	proc_device_tree = proc_mkdir("device-tree", NULL);
 	if (proc_device_tree == 0)
 		return;
 	root = of_find_node_by_path("/");