Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (21 commits)
  [POWERPC] spusched: Fix initial timeslice calculation
  [POWERPC] spufs: Fix incorrect initialization of cbe_spu_info.spus
  [POWERPC] Fix Maple platform ISA bus
  [POWERPC] Make pci_iounmap actually unmap things
  [POWERPC] Add function to check if address is an IO port
  [POWERPC] Fix Pegasos keyboard detection
  [POWERPC] iSeries: Fix section mismatch warning in lpevents
  [POWERPC] iSeries: Fix section mismatch warnings
  [POWERPC] iSeries: We need vio_enable_interrupts
  [POWERPC] Fix RTC and device tree on linkstation machines
  [POWERPC] Add of_register_i2c_devices()
  [POWERPC] Fix loop with unsigned long counter variable
  [POWERPC] Fix register labels on show_regs() message for 4xx/Book-E
  [POWERPC] Only allow building of BootX text support on PPC_MULTIPLATFORM
  [POWERPC] Fix the ability to reset on MPC8544 DS and MPC8568 MDS boards
  [POWERPC] Fix mpc7448hpc2 tsi108 device_type bug
  [POWREPC] Fixup a number of modpost warnings on ppc32
  [POWERPC] Fix ethernet PHY support on MPC8544 DS
  [POWERPC] Don't try to allocate resources for a Freescale POWERPC PHB
  Revert "[POWERPC] Don't complain if size-cells == 0 in prom_parse()"
  ...

arch/powerpc/Kconfig.debug

@@ -134,7 +134,7 @@ config BDI_SWITCH
 
 config BOOTX_TEXT
 	bool "Support for early boot text console (BootX or OpenFirmware only)"
-	depends PPC_OF
+	depends PPC_OF && PPC_MULTIPLATFORM
 	help
 	  Say Y here to see progress messages from the boot firmware in text
 	  mode. Requires either BootX or Open Firmware.

arch/powerpc/boot/dts/kuroboxHD.dts

@@ -33,12 +33,10 @@ cpus {
 		PowerPC,603e { /* Really 8241 */
 			device_type = "cpu";
 			reg = <0>;
-			clock-frequency = <bebc200>;	/* Fixed by bootwrapper */
-			timebase-frequency = <1743000>; /* Fixed by bootwrapper */
-			bus-frequency = <0>;		/* From bootloader */
+			clock-frequency = <bebc200>;	/* Fixed by bootloader */
+			timebase-frequency = <1743000>; /* Fixed by bootloader */
+			bus-frequency = <0>;		/* Fixed by bootloader */
 			/* Following required by dtc but not used */
-			i-cache-line-size = <0>;
-			d-cache-line-size = <0>;
 			i-cache-size = <4000>;
 			d-cache-size = <4000>;
 		};
@@ -64,11 +62,19 @@ fec00000 fec00000 00300000	/* pci cfg regs */
 			  fef00000 fef00000 00100000>;	/* pci iack */
 
 		i2c@80003000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			device_type = "i2c";
 			compatible = "fsl-i2c";
 			reg = <80003000 1000>;
 			interrupts = <5 2>;
 			interrupt-parent = <&mpic>;
+
+			rtc@32 {
+				device_type = "rtc";
+				compatible = "ricoh,rs5c372b";
+				reg = <32>;
+			};
 		};
 
 		serial@80004500 {
@@ -91,7 +97,7 @@ serial@80004600 {
 			interrupt-parent = <&mpic>;
 		};
 
-		mpic: pic@80040000 {
+		mpic: interrupt-controller@80040000 {
 			#interrupt-cells = <2>;
 			#address-cells = <0>;
 			device_type = "open-pic";

arch/powerpc/boot/dts/kuroboxHG.dts

@@ -33,12 +33,10 @@ cpus {
 		PowerPC,603e { /* Really 8241 */
 			device_type = "cpu";
 			reg = <0>;
-			clock-frequency = <fdad680>;	/* Fixed by bootwrapper */
-			timebase-frequency = <1F04000>; /* Fixed by bootwrapper */
-			bus-frequency = <0>;		/* From bootloader */
+			clock-frequency = <fdad680>;	/* Fixed by bootloader */
+			timebase-frequency = <1F04000>; /* Fixed by bootloader */
+			bus-frequency = <0>;		/* Fixed by bootloader */
 			/* Following required by dtc but not used */
-			i-cache-line-size = <0>;
-			d-cache-line-size = <0>;
 			i-cache-size = <4000>;
 			d-cache-size = <4000>;
 		};
@@ -64,11 +62,19 @@ fec00000 fec00000 00300000	/* pci cfg regs */
 			  fef00000 fef00000 00100000>;	/* pci iack */
 
 		i2c@80003000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
 			device_type = "i2c";
 			compatible = "fsl-i2c";
 			reg = <80003000 1000>;
 			interrupts = <5 2>;
 			interrupt-parent = <&mpic>;
+
+			rtc@32 {
+				device_type = "rtc";
+				compatible = "ricoh,rs5c372b";
+				reg = <32>;
+			};
 		};
 
 		serial@80004500 {
@@ -91,8 +97,7 @@ serial@80004600 {
 			interrupt-parent = <&mpic>;
 		};
 
-		mpic: pic@80040000 {
-			interrupt-parent = <&mpic>;
+		mpic: interrupt-controller@80040000 {
 			#interrupt-cells = <2>;
 			#address-cells = <0>;
 			device_type = "open-pic";

arch/powerpc/boot/dts/mpc7448hpc2.dts

@@ -45,7 +45,7 @@ tsi108@c0000000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		#interrupt-cells = <2>;
-		device_type = "tsi108-bridge";
+		device_type = "tsi-bridge";
 		ranges = <00000000 c0000000 00010000>;
 		reg = <c0000000 00010000>;
 		bus-frequency = <0>;

arch/powerpc/boot/dts/mpc8544ds.dts

@@ -104,6 +104,7 @@ ethernet@24000 {
 			interrupts = <1d 2 1e 2 22 2>;
 			interrupt-parent = <&mpic>;
 			phy-handle = <&phy0>;
+			phy-connection-type = "rgmii-id";
 		};
 
 		ethernet@26000 {
@@ -117,6 +118,7 @@ ethernet@26000 {
 			interrupts = <1f 2 20 2 21 2>;
 			interrupt-parent = <&mpic>;
 			phy-handle = <&phy1>;
+			phy-connection-type = "rgmii-id";
 		};
 
 		serial@4500 {
@@ -348,6 +350,12 @@ gpio@400 {
 
 		};
 
+		global-utilities@e0000 {	//global utilities block
+			compatible = "fsl,mpc8548-guts";
+			reg = <e0000 1000>;
+			fsl,has-rstcr;
+		};
+
 		mpic: pic@40000 {
 			clock-frequency = <0>;
 			interrupt-controller;

arch/powerpc/boot/dts/mpc8568mds.dts

@@ -170,6 +170,12 @@ serial@4500 {
 			interrupt-parent = <&mpic>;
 		};
 
+		global-utilities@e0000 {	//global utilities block
+			compatible = "fsl,mpc8548-guts";
+			reg = <e0000 1000>;
+			fsl,has-rstcr;
+		};
+
 		pci@8000 {
 			interrupt-map-mask = <f800 0 0 7>;
 			interrupt-map = <

arch/powerpc/kernel/head_64.S

@@ -809,8 +809,9 @@ system_reset_iSeries:
 	mtmsrd	r24			/* RI on */
 	lhz	r24,PACAPACAINDEX(r13)	/* Get processor # */
 	cmpwi	0,r24,0			/* Are we processor 0? */
-	beq	.__start_initialization_iSeries	/* Start up the first processor */
-	mfspr	r4,SPRN_CTRLF
+	bne	1f
+	b	.__start_initialization_iSeries	/* Start up the first processor */
+1:	mfspr	r4,SPRN_CTRLF
 	li	r5,CTRL_RUNLATCH	/* Turn off the run light */
 	andc	r4,r4,r5
 	mtspr	SPRN_CTRLT,r4
@@ -1611,7 +1612,7 @@ _GLOBAL(generic_secondary_smp_init)
 #endif
 
 #ifdef CONFIG_PPC_ISERIES
-_STATIC(__start_initialization_iSeries)
+_INIT_STATIC(__start_initialization_iSeries)
 	/* Clear out the BSS */
 	LOAD_REG_IMMEDIATE(r11,__bss_stop)
 	LOAD_REG_IMMEDIATE(r8,__bss_start)

arch/powerpc/kernel/iomap.c

@@ -7,6 +7,7 @@
 #include <linux/pci.h>
 #include <linux/mm.h>
 #include <asm/io.h>
+#include <asm/pci-bridge.h>
 
 /*
  * Here comes the ppc64 implementation of the IOMAP 
@@ -136,7 +137,12 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
 
 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
 {
-	/* Nothing to do */
+	if (isa_vaddr_is_ioport(addr))
+		return;
+	if (pcibios_vaddr_is_ioport(addr))
+		return;
+	iounmap(addr);
 }
+
 EXPORT_SYMBOL(pci_iomap);
 EXPORT_SYMBOL(pci_iounmap);

arch/powerpc/kernel/irq.c

@@ -418,7 +418,7 @@ irq_hw_number_t virq_to_hw(unsigned int virq)
 }
 EXPORT_SYMBOL_GPL(virq_to_hw);
 
-struct irq_host *irq_alloc_host(unsigned int revmap_type,
+__init_refok struct irq_host *irq_alloc_host(unsigned int revmap_type,
 						unsigned int revmap_arg,
 						struct irq_host_ops *ops,
 						irq_hw_number_t inval_irq)

arch/powerpc/kernel/pci-common.c

@@ -65,7 +65,7 @@ static void __devinit pci_setup_pci_controller(struct pci_controller *hose)
 	spin_unlock(&hose_spinlock);
 }
 
-struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
+__init_refok struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
 {
 	struct pci_controller *phb;
 
@@ -101,6 +101,29 @@ void pcibios_free_controller(struct pci_controller *phb)
 		kfree(phb);
 }
 
+int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+	int ret = 0;
+	struct pci_controller *hose;
+	unsigned long size;
+
+	spin_lock(&hose_spinlock);
+	list_for_each_entry(hose, &hose_list, list_node) {
+#ifdef CONFIG_PPC64
+		size = hose->pci_io_size;
+#else
+		size = hose->io_resource.end - hose->io_resource.start + 1;
+#endif
+		if (address >= hose->io_base_virt &&
+		    address < (hose->io_base_virt + size)) {
+			ret = 1;
+			break;
+		}
+	}
+	spin_unlock(&hose_spinlock);
+	return ret;
+}
+
 /*
  * Return the domain number for this bus.
  */

arch/powerpc/kernel/pci_32.c

@@ -59,6 +59,24 @@ LIST_HEAD(hose_list);
 
 static int pci_bus_count;
 
+static void
+fixup_hide_host_resource_fsl(struct pci_dev* dev)
+{
+	int i, class = dev->class >> 8;
+
+	if ((class == PCI_CLASS_PROCESSOR_POWERPC) &&
+		(dev->hdr_type == PCI_HEADER_TYPE_NORMAL) &&
+		(dev->bus->parent == NULL)) {
+		for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+			dev->resource[i].start = 0;
+			dev->resource[i].end = 0;
+			dev->resource[i].flags = 0;
+		}
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MOTOROLA, PCI_ANY_ID, fixup_hide_host_resource_fsl); 
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID, fixup_hide_host_resource_fsl); 
+
 static void
 fixup_broken_pcnet32(struct pci_dev* dev)
 {
@@ -1229,7 +1247,7 @@ pcibios_init(void)
 
 subsys_initcall(pcibios_init);
 
-void __init pcibios_fixup_bus(struct pci_bus *bus)
+void pcibios_fixup_bus(struct pci_bus *bus)
 {
 	struct pci_controller *hose = (struct pci_controller *) bus->sysdata;
 	unsigned long io_offset;

arch/powerpc/kernel/process.c

@@ -423,7 +423,11 @@ void show_regs(struct pt_regs * regs)
 	printk("  CR: %08lx  XER: %08lx\n", regs->ccr, regs->xer);
 	trap = TRAP(regs);
 	if (trap == 0x300 || trap == 0x600)
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
+		printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
+#else
 		printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr);
+#endif
 	printk("TASK = %p[%d] '%s' THREAD: %p",
 	       current, current->pid, current->comm, task_thread_info(current));
 

arch/powerpc/kernel/prom_parse.c

@@ -24,7 +24,7 @@
 /* Max address size we deal with */
 #define OF_MAX_ADDR_CELLS	4
 #define OF_CHECK_COUNTS(na, ns)	((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
-			(ns) >= 0)
+			(ns) > 0)
 
 static struct of_bus *of_match_bus(struct device_node *np);
 static int __of_address_to_resource(struct device_node *dev,

arch/powerpc/kernel/setup-common.c

@@ -496,6 +496,10 @@ int check_legacy_ioport(unsigned long base_port)
 			break;
 		}
 		np = of_find_node_by_type(NULL, "8042");
+		/* Pegasos has no device_type on its 8042 node, look for the
+		 * name instead */
+		if (!np)
+			np = of_find_node_by_name(NULL, "8042");
 		break;
 	case FDC_BASE: /* FDC1 */
 		np = of_find_node_by_type(NULL, "fdc");

arch/powerpc/kernel/udbg.c

@@ -155,7 +155,7 @@ static int early_console_initialized;
  * Called by setup_system after ppc_md->probe and ppc_md->early_init.
  * Call it again after setting udbg_putc in ppc_md->setup_arch.
  */
-void register_early_udbg_console(void)
+void __init register_early_udbg_console(void)
 {
 	if (early_console_initialized)
 		return;

arch/powerpc/mm/lmb.c

@@ -138,8 +138,8 @@ void __init lmb_analyze(void)
 static long __init lmb_add_region(struct lmb_region *rgn, unsigned long base,
 				  unsigned long size)
 {
-	unsigned long i, coalesced = 0;
-	long adjacent;
+	unsigned long coalesced = 0;
+	long adjacent, i;
 
 	/* First try and coalesce this LMB with another. */
 	for (i=0; i < rgn->cnt; i++) {

arch/powerpc/platforms/cell/spufs/context.c

@@ -59,7 +59,8 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang)
 	INIT_LIST_HEAD(&ctx->aff_list);
 	if (gang)
 		spu_gang_add_ctx(gang, ctx);
-	ctx->cpus_allowed = current->cpus_allowed;
+
+	__spu_update_sched_info(ctx);
 	spu_set_timeslice(ctx);
 	ctx->stats.util_state = SPU_UTIL_IDLE_LOADED;
 

arch/powerpc/platforms/cell/spufs/run.c

@@ -312,6 +312,7 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event)
 	spu_acquire(ctx);
 	if (ctx->state == SPU_STATE_SAVED) {
 		__spu_update_sched_info(ctx);
+		spu_set_timeslice(ctx);
 
 		ret = spu_activate(ctx, 0);
 		if (ret) {
@@ -322,6 +323,9 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event)
 		/*
 		 * We have to update the scheduling priority under active_mutex
 		 * to protect against find_victim().
+		 *
+		 * No need to update the timeslice ASAP, it will get updated
+		 * once the current one has expired.
 		 */
 		spu_update_sched_info(ctx);
 	}

arch/powerpc/platforms/cell/spufs/sched.c

@@ -927,10 +927,6 @@ int __init spu_sched_init(void)
 		INIT_LIST_HEAD(&spu_prio->runq[i]);
 		__clear_bit(i, spu_prio->bitmap);
 	}
-	for (i = 0; i < MAX_NUMNODES; i++) {
-		mutex_init(&cbe_spu_info[i].list_mutex);
-		INIT_LIST_HEAD(&cbe_spu_info[i].spus);
-	}
 	spin_lock_init(&spu_prio->runq_lock);
 
 	setup_timer(&spusched_timer, spusched_wake, 0);

arch/powerpc/platforms/iseries/lpevents.c

@@ -182,7 +182,7 @@ static int set_spread_lpevents(char *str)
 }
 __setup("spread_lpevents=", set_spread_lpevents);
 
-void setup_hvlpevent_queue(void)
+void __init setup_hvlpevent_queue(void)
 {
 	void *eventStack;
 

arch/powerpc/platforms/maple/pci.c

@@ -490,6 +490,9 @@ static int __init maple_add_bridge(struct device_node *dev)
 	/* Fixup "bus-range" OF property */
 	fixup_bus_range(dev);
 
+	/* Check for legacy IOs */
+	isa_bridge_find_early(hose);
+
 	return 0;
 }
 

arch/powerpc/sysdev/fsl_pci.c

@@ -107,7 +107,7 @@ void __init setup_pci_cmd(struct pci_controller *hose)
 	}
 }
 
-static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev)
+static void __init quirk_fsl_pcie_transparent(struct pci_dev *dev)
 {
 	struct resource *res;
 	int i, res_idx = PCI_BRIDGE_RESOURCES;
@@ -216,7 +216,7 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary)
 
 	/* check PCI express link status */
 	if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) {
-		hose->indirect_type = PPC_INDIRECT_TYPE_EXT_REG |
+		hose->indirect_type |= PPC_INDIRECT_TYPE_EXT_REG |
 			PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;
 		if (fsl_pcie_check_link(hose))
 			hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK;

arch/powerpc/sysdev/fsl_soc.c

@@ -305,6 +305,64 @@ static int __init gfar_of_init(void)
 
 arch_initcall(gfar_of_init);
 
+#ifdef CONFIG_I2C_BOARDINFO
+#include <linux/i2c.h>
+struct i2c_driver_device {
+	char	*of_device;
+	char	*i2c_driver;
+	char	*i2c_type;
+};
+
+static struct i2c_driver_device i2c_devices[] __initdata = {
+	{"ricoh,rs5c372a", "rtc-rs5c372", "rs5c372a",},
+	{"ricoh,rs5c372b", "rtc-rs5c372", "rs5c372b",},
+	{"ricoh,rv5c386",  "rtc-rs5c372", "rv5c386",},
+	{"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
+};
+
+static int __init of_find_i2c_driver(struct device_node *node, struct i2c_board_info *info)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
+		if (!of_device_is_compatible(node, i2c_devices[i].of_device))
+			continue;
+		strncpy(info->driver_name, i2c_devices[i].i2c_driver, KOBJ_NAME_LEN);
+		strncpy(info->type, i2c_devices[i].i2c_type, I2C_NAME_SIZE);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+static void __init of_register_i2c_devices(struct device_node *adap_node, int bus_num)
+{
+	struct device_node *node = NULL;
+
+	while ((node = of_get_next_child(adap_node, node))) {
+		struct i2c_board_info info;
+		const u32 *addr;
+		int len;
+
+		addr = of_get_property(node, "reg", &len);
+		if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
+			printk(KERN_WARNING "fsl_ioc.c: invalid i2c device entry\n");
+			continue;
+		}
+
+		info.irq = irq_of_parse_and_map(node, 0);
+		if (info.irq == NO_IRQ)
+			info.irq = -1;
+
+		if (of_find_i2c_driver(node, &info) < 0)
+			continue;
+
+		info.platform_data = NULL;
+		info.addr = *addr;
+
+		i2c_register_board_info(bus_num, &info, 1);
+	}
+}
+
 static int __init fsl_i2c_of_init(void)
 {
 	struct device_node *np;
@@ -349,6 +407,8 @@ static int __init fsl_i2c_of_init(void)
 						    fsl_i2c_platform_data));
 		if (ret)
 			goto unreg;
+
+		of_register_i2c_devices(np, i);
 	}
 
 	return 0;
@@ -360,6 +420,7 @@ static int __init fsl_i2c_of_init(void)
 }
 
 arch_initcall(fsl_i2c_of_init);
+#endif
 
 #ifdef CONFIG_PPC_83xx
 static int __init mpc83xx_wdt_init(void)

arch/powerpc/sysdev/indirect_pci.c

@@ -160,4 +160,5 @@ setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data, u32
 		mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE);
 	hose->cfg_data = mbase + (cfg_data & ~PAGE_MASK);
 	hose->ops = &indirect_pci_ops;
+	hose->indirect_type = flags;
 }

include/asm-powerpc/pci-bridge.h

@@ -71,6 +71,14 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
 	return bus->sysdata;
 }
 
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+	/* No specific ISA handling on ppc32 at this stage, it
+	 * all goes through PCI
+	 */
+	return 0;
+}
+
 /* These are used for config access before all the PCI probing
    has been done. */
 int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,
@@ -241,6 +249,13 @@ extern void pcibios_free_controller(struct pci_controller *phb);
 
 extern void isa_bridge_find_early(struct pci_controller *hose);
 
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+	/* Check if address hits the reserved legacy IO range */
+	unsigned long ea = (unsigned long)address;
+	return ea >= ISA_IO_BASE && ea < ISA_IO_END;
+}
+
 extern int pcibios_unmap_io_space(struct pci_bus *bus);
 extern int pcibios_map_io_space(struct pci_bus *bus);
 
@@ -271,11 +286,16 @@ extern struct pci_controller *
 pcibios_alloc_controller(struct device_node *dev);
 #ifdef CONFIG_PCI
 extern unsigned long pci_address_to_pio(phys_addr_t address);
+extern int pcibios_vaddr_is_ioport(void __iomem *address);
 #else
 static inline unsigned long pci_address_to_pio(phys_addr_t address)
 {
 	return (unsigned long)-1;
 }
+static inline int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+	return 0;
+}
 #endif
 
 

include/asm-powerpc/ppc_asm.h

@@ -181,6 +181,18 @@ name: \
 	.type GLUE(.,name),@function; \
 GLUE(.,name):
 
+#define _INIT_STATIC(name) \
+	.section ".text.init.refok"; \
+	.align 2 ; \
+	.section ".opd","aw"; \
+name: \
+	.quad GLUE(.,name); \
+	.quad .TOC.@tocbase; \
+	.quad 0; \
+	.previous; \
+	.type GLUE(.,name),@function; \
+GLUE(.,name):
+
 #else /* 32-bit */
 
 #define _GLOBAL(n)	\

include/asm-powerpc/vio.h

@@ -80,6 +80,11 @@ extern const void *vio_get_attribute(struct vio_dev *vdev, char *which,
 extern struct vio_dev *vio_find_node(struct device_node *vnode);
 extern int vio_enable_interrupts(struct vio_dev *dev);
 extern int vio_disable_interrupts(struct vio_dev *dev);
+#else
+static inline int vio_enable_interrupts(struct vio_dev *dev)
+{
+	return 0;
+}
 #endif
 
 static inline struct vio_driver *to_vio_driver(struct device_driver *drv)