Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

15 files changed, 113 insertions, 117 deletions

diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 9d8b28ef3343..5c72367441a8 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -1,4 +1,6 @@
 #
 # Makefile for the PowerPC 83xx linux kernel.
 #
-obj-$(CONFIG_MPC834x_SYS)	+= mpc834x_sys.o pci.o
+obj-y				:= misc.o
+obj-$(CONFIG_PCI)		+= pci.o
+obj-$(CONFIG_MPC834x_SYS)	+= mpc834x_sys.o
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
new file mode 100644
index 000000000000..0eb3d99f1b93
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -0,0 +1,55 @@
+/*
+ * misc setup functions for MPC83xx
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+
+#include <asm/io.h>
+#include <asm/hw_irq.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc83xx.h"
+
+void mpc83xx_restart(char *cmd)
+{
+#define RST_OFFSET	0x00000900
+#define RST_PROT_REG	0x00000018
+#define RST_CTRL_REG	0x0000001c
+	__be32 __iomem *reg;
+
+	/* map reset register space */
+	reg = ioremap(get_immrbase() + 0x900, 0xff);
+
+	local_irq_disable();
+
+	/* enable software reset "RSTE" */
+	out_be32(reg + (RST_PROT_REG >> 2), 0x52535445);
+
+	/* set software hard reset */
+	out_be32(reg + (RST_CTRL_REG >> 2), 0x52535445);
+	for (;;) ;
+}
+
+long __init mpc83xx_time_init(void)
+{
+#define SPCR_OFFSET	0x00000110
+#define SPCR_TBEN	0x00400000
+	__be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4);
+	__be32 tmp;
+
+	tmp = in_be32(spcr);
+	out_be32(spcr, tmp | SPCR_TBEN);
+
+	iounmap(spcr);
+
+	return 0;
+}
diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.c b/arch/powerpc/platforms/83xx/mpc834x_sys.c
index 2098dd05a773..7c18b4cd5db4 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_sys.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_sys.c
@@ -24,22 +24,15 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
-#include <linux/module.h>
-#include <linux/fsl_devices.h>
 
 #include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
 #include <asm/atomic.h>
 #include <asm/time.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/ipic.h>
 #include <asm/bootinfo.h>
-#include <asm/pci-bridge.h>
-#include <asm/mpc83xx.h>
 #include <asm/irq.h>
-#include <mm/mmu_decl.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
@@ -52,8 +45,6 @@ unsigned long isa_mem_base = 0;
 #endif
 
 #ifdef CONFIG_PCI
-extern int mpc83xx_pci2_busno;
-
 static int
 mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
 {
@@ -78,26 +69,14 @@ mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
 	const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4;
 	return PCI_IRQ_TABLE_LOOKUP;
 }
-
-static int
-mpc83xx_exclude_device(u_char bus, u_char devfn)
-{
-	if (bus == 0 && PCI_SLOT(devfn) == 0)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-	if (mpc83xx_pci2_busno)
-		if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0)
-			return PCIBIOS_DEVICE_NOT_FOUND;
-	return PCIBIOS_SUCCESSFUL;
-}
-#endif /* CONFIG_PCI */
+#endif				/* CONFIG_PCI */
 
 /* ************************************************************************
  *
  * Setup the architecture
  *
  */
-static void __init
-mpc834x_sys_setup_arch(void)
+static void __init mpc834x_sys_setup_arch(void)
 {
 	struct device_node *np;
 
@@ -106,14 +85,14 @@ mpc834x_sys_setup_arch(void)
 
 	np = of_find_node_by_type(NULL, "cpu");
 	if (np != 0) {
-		unsigned int *fp = (int *) get_property(np, "clock-frequency", NULL);
+		unsigned int *fp =
+		    (int *)get_property(np, "clock-frequency", NULL);
 		if (fp != 0)
 			loops_per_jiffy = *fp / HZ;
 		else
 			loops_per_jiffy = 50000000 / HZ;
 		of_node_put(np);
 	}
-
 #ifdef CONFIG_PCI
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
 		add_bridge(np);
@@ -124,14 +103,13 @@ mpc834x_sys_setup_arch(void)
 #endif
 
 #ifdef  CONFIG_ROOT_NFS
-		ROOT_DEV = Root_NFS;
+	ROOT_DEV = Root_NFS;
 #else
-		ROOT_DEV = Root_HDA1;
+	ROOT_DEV = Root_HDA1;
 #endif
 }
 
-void __init
-mpc834x_sys_init_IRQ(void)
+void __init mpc834x_sys_init_IRQ(void)
 {
 	u8 senses[8] = {
 		0,			/* EXT 0 */
@@ -160,64 +138,27 @@ mpc834x_sys_init_IRQ(void)
 }
 
 #if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374)
-extern ulong	ds1374_get_rtc_time(void);
-extern int	ds1374_set_rtc_time(ulong);
+extern ulong ds1374_get_rtc_time(void);
+extern int ds1374_set_rtc_time(ulong);
 
-static int __init
-mpc834x_rtc_hookup(void)
+static int __init mpc834x_rtc_hookup(void)
 {
-	struct timespec	tv;
+	struct timespec tv;
 
 	ppc_md.get_rtc_time = ds1374_get_rtc_time;
 	ppc_md.set_rtc_time = ds1374_set_rtc_time;
 
 	tv.tv_nsec = 0;
-	tv.tv_sec = (ppc_md.get_rtc_time)();
+	tv.tv_sec = (ppc_md.get_rtc_time) ();
 	do_settimeofday(&tv);
 
 	return 0;
 }
+
 late_initcall(mpc834x_rtc_hookup);
 #endif
 
-static void
-mpc83xx_restart(char *cmd)
-{
-#define RST_OFFSET	0x00000900
-#define RST_PROT_REG	0x00000018
-#define RST_CTRL_REG	0x0000001c
-	__be32 __iomem *reg;
-
-	// map reset register space
-	reg = ioremap(get_immrbase() + 0x900, 0xff);
-
-	local_irq_disable();
-
-	/* enable software reset "RSTE" */
-	out_be32(reg + (RST_PROT_REG >> 2), 0x52535445);
-
-	/* set software hard reset */
-	out_be32(reg + (RST_CTRL_REG >> 2), 0x52535445);
-	for(;;);
-}
-
-static long __init
-mpc83xx_time_init(void)
-{
-#define SPCR_OFFSET	0x00000110
-#define SPCR_TBEN	0x00400000
-	__be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4);
-	__be32 tmp;
-
-	tmp = in_be32(spcr);
-	out_be32(spcr, tmp|SPCR_TBEN);
-
-	iounmap(spcr);
-
-	return 0;
-}
-void __init
-platform_init(void)
+void __init platform_init(void)
 {
 	/* setup the PowerPC module struct */
 	ppc_md.setup_arch = mpc834x_sys_setup_arch;
@@ -239,5 +180,3 @@ platform_init(void)
 
 	return;
 }
-
-
diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.h b/arch/powerpc/platforms/83xx/mpc834x_sys.h
index e4ca39f6a862..fedecb73f7ff 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_sys.h
+++ b/arch/powerpc/platforms/83xx/mpc834x_sys.h
@@ -20,4 +20,4 @@
 #define PIRQC	MPC83xx_IRQ_EXT6
 #define PIRQD	MPC83xx_IRQ_EXT7
 
-#endif                /* __MACH_MPC83XX_SYS_H__ */
+#endif				/* __MACH_MPC83XX_SYS_H__ */
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index ce9e66abef24..01cae106912b 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -10,5 +10,8 @@
  */
 
 extern int add_bridge(struct device_node *dev);
+extern int mpc83xx_exclude_device(u_char bus, u_char devfn);
+extern void mpc83xx_restart(char *cmd);
+extern long mpc83xx_time_init(void);
 
-#endif /* __MPC83XX_H__ */
+#endif				/* __MPC83XX_H__ */
diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c
index 469cdacc5bd4..16f7d3b30e1d 100644
--- a/arch/powerpc/platforms/83xx/pci.c
+++ b/arch/powerpc/platforms/83xx/pci.c
@@ -36,7 +36,16 @@
 
 int mpc83xx_pci2_busno;
 
-#ifdef CONFIG_PCI
+int mpc83xx_exclude_device(u_char bus, u_char devfn)
+{
+	if (bus == 0 && PCI_SLOT(devfn) == 0)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+	if (mpc83xx_pci2_busno)
+		if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	return PCIBIOS_SUCCESSFUL;
+}
+
 int __init add_bridge(struct device_node *dev)
 {
 	int len;
@@ -52,7 +61,7 @@ int __init add_bridge(struct device_node *dev)
 	has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
 
 	/* Get bus range if any */
-	bus_range = (int *) get_property(dev, "bus-range", &len);
+	bus_range = (int *)get_property(dev, "bus-range", &len);
 	if (bus_range == NULL || len < 2 * sizeof(int)) {
 		printk(KERN_WARNING "Can't get bus-range for %s, assume"
 		       " bus 0\n", dev->full_name);
@@ -74,7 +83,7 @@ int __init add_bridge(struct device_node *dev)
 	if ((rsrc.start & 0xfffff) == 0x8500) {
 		setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304);
 	}
-	/* PCI 2*/
+	/* PCI 2 */
 	if ((rsrc.start & 0xfffff) == 0x8600) {
 		setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384);
 		primary = 0;
@@ -84,10 +93,10 @@ int __init add_bridge(struct device_node *dev)
 
 	printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%08lx. "
 	       "Firmware bus number: %d->%d\n",
-		rsrc.start, hose->first_busno, hose->last_busno);
+	       rsrc.start, hose->first_busno, hose->last_busno);
 
 	DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
-		hose, hose->cfg_addr, hose->cfg_data);
+	    hose, hose->cfg_addr, hose->cfg_data);
 
 	/* Interpret the "ranges" property */
 	/* This also maps the I/O region and sets isa_io/mem_base */
@@ -95,5 +104,3 @@ int __init add_bridge(struct device_node *dev)
 
 	return 0;
 }
-
-#endif
diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile
index 16031b565be4..3b998a393e3f 100644
--- a/arch/powerpc/platforms/cell/Makefile
+++ b/arch/powerpc/platforms/cell/Makefile
@@ -2,7 +2,7 @@ obj-y			+= interrupt.o iommu.o setup.o spider-pic.o
 obj-y			+= pervasive.o
 
 obj-$(CONFIG_SMP)	+= smp.o
-obj-$(CONFIG_SPU_FS)	+= spufs/ spu-base.o
+obj-$(CONFIG_SPU_FS)	+= spu-base.o spufs/
 
 spu-base-y		+= spu_base.o spu_priv1.o
 
diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h
index 3a2057fa314a..814f54742e0f 100644
--- a/arch/powerpc/platforms/chrp/chrp.h
+++ b/arch/powerpc/platforms/chrp/chrp.h
@@ -5,7 +5,6 @@
 extern void chrp_nvram_init(void);
 extern void chrp_get_rtc_time(struct rtc_time *);
 extern int chrp_set_rtc_time(struct rtc_time *);
-extern void chrp_calibrate_decr(void);
 extern long chrp_time_init(void);
 
 extern void chrp_find_bridges(void);
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 00c52f27ef4f..8ef279ad36ad 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -204,9 +204,11 @@ static void __init setup_peg2(struct pci_controller *hose, struct device_node *d
 	struct device_node *root = find_path_device("/");
 	struct device_node *rtas;
 
+	of_node_get(root);
 	rtas = of_find_node_by_name (root, "rtas");
 	if (rtas) {
 		hose->ops = &rtas_pci_ops;
+		of_node_put(rtas);
 	} else {
 		printk ("RTAS supporting Pegasos OF not found, please upgrade"
 			" your firmware\n");
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 2dc87aa5962f..e1fadbf49150 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -506,7 +506,7 @@ void __init chrp_init(void)
 	ppc_md.halt           = rtas_halt;
 
 	ppc_md.time_init      = chrp_time_init;
-	ppc_md.calibrate_decr = chrp_calibrate_decr;
+	ppc_md.calibrate_decr = generic_calibrate_decr;
 
 	/* this may get overridden with rtas routines later... */
 	ppc_md.set_rtc_time   = chrp_set_rtc_time;
diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c
index 36a0f97bb7b1..78df2e7ca88a 100644
--- a/arch/powerpc/platforms/chrp/time.c
+++ b/arch/powerpc/platforms/chrp/time.c
@@ -167,24 +167,3 @@ void chrp_get_rtc_time(struct rtc_time *tm)
 	tm->tm_mon = mon;
 	tm->tm_year = year;
 }
-
-
-void __init chrp_calibrate_decr(void)
-{
-	struct device_node *cpu;
-	unsigned int freq, *fp;
-
-	/*
-	 * The cpu node should have a timebase-frequency property
-	 * to tell us the rate at which the decrementer counts.
-	 */
-	freq = 16666000;		/* hardcoded default */
-	cpu = find_type_devices("cpu");
-	if (cpu != 0) {
-		fp = (unsigned int *)
-			get_property(cpu, "timebase-frequency", NULL);
-		if (fp != 0)
-			freq = *fp;
-	}
-	ppc_tb_freq = freq;
-}
diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index c32c623001dc..356a739e52b2 100644
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -862,21 +862,28 @@ int pmf_register_irq_client(struct device_node *target,
 		spin_unlock_irqrestore(&pmf_lock, flags);
 		return -ENODEV;
 	}
+	if (list_empty(&func->irq_clients))
+		func->dev->handlers->irq_enable(func);
 	list_add(&client->link, &func->irq_clients);
+	client->func = func;
 	spin_unlock_irqrestore(&pmf_lock, flags);
 
 	return 0;
 }
 EXPORT_SYMBOL_GPL(pmf_register_irq_client);
 
-void pmf_unregister_irq_client(struct device_node *np,
-			      const char *name,
-			      struct pmf_irq_client *client)
+void pmf_unregister_irq_client(struct pmf_irq_client *client)
 {
+	struct pmf_function *func = client->func;
 	unsigned long flags;
 
+	BUG_ON(func == NULL);
+
 	spin_lock_irqsave(&pmf_lock, flags);
+	client->func = NULL;
 	list_del(&client->link);
+	if (list_empty(&func->irq_clients))
+		func->dev->handlers->irq_disable(func);
 	spin_unlock_irqrestore(&pmf_lock, flags);
 }
 EXPORT_SYMBOL_GPL(pmf_unregister_irq_client);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 89c4c3636161..616b1e3ebe04 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -88,11 +88,10 @@ int ppc_override_l2cr = 0;
 int ppc_override_l2cr_value;
 int has_l2cache = 0;
 
-int pmac_newworld = 1;
+int pmac_newworld;
 
 static int current_root_goodness = -1;
 
-extern int pmac_newworld;
 extern struct machdep_calls pmac_md;
 
 #define DEFAULT_ROOT_DEVICE Root_SDA1	/* sda1 - slightly silly choice */
@@ -310,9 +309,10 @@ static void __init pmac_setup_arch(void)
 	for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; )
 		if (get_property(ic, "interrupt-controller", NULL))
 			break;
-	pmac_newworld = (ic != NULL);
-	if (ic)
+	if (ic) {
+		pmac_newworld = 1;
 		of_node_put(ic);
+	}
 
 	/* Lookup PCI hosts */
 	pmac_pci_init();
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 21934784f936..bdaa8aabdaa6 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -58,6 +58,7 @@ pcibios_find_pci_bus(struct device_node *dn)
 
 	return find_bus_among_children(pdn->phb->bus, dn);
 }
+EXPORT_SYMBOL_GPL(pcibios_find_pci_bus);
 
 /**
  * pcibios_remove_pci_devices - remove all devices under this bus
@@ -106,6 +107,7 @@ pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus)
 		}
 	}
 }
+EXPORT_SYMBOL_GPL(pcibios_fixup_new_pci_devices);
 
 static int
 pcibios_pci_config_bridge(struct pci_dev *dev)
@@ -172,3 +174,4 @@ pcibios_add_pci_devices(struct pci_bus * bus)
 			pcibios_pci_config_bridge(dev);
 	}
 }
+EXPORT_SYMBOL_GPL(pcibios_add_pci_devices);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index da6cebaf72cd..9edeca83f434 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -585,7 +585,7 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
 static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
 {
 	/* Don't risk a hypervisor call if we're crashing */
-	if (!crash_shutdown) {
+	if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
 		unsigned long vpa = __pa(get_lppaca());
 
 		if (unregister_vpa(hard_smp_processor_id(), vpa)) {