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

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits)
  [POWERPC] Fix compile breakage for 64-bit UP configs
  [POWERPC] Define copy_siginfo_from_user32
  [POWERPC] Add compat handler for PTRACE_GETSIGINFO
  [POWERPC] i2c: Fix build breakage introduced by OF helpers
  [POWERPC] Optimize fls64() on 64-bit processors
  [POWERPC] irqtrace support for 64-bit powerpc
  [POWERPC] Stacktrace support for lockdep
  [POWERPC] Move stackframe definitions to common header
  [POWERPC] Fix device-tree locking vs. interrupts
  [POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const
  [POWERPC] Remove unused __max_memory variable
  [POWERPC] Simplify xics direct/lpar irq_host setup
  [POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ()
  [POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade()
  [POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c
  [POWERPC] Use asm-generic/bitops/find.h in bitops.h
  [POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup
  [POWERPC] 85xx: Fix the size of qe muram for MPC8568E
  [POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier.
  [POWERPC] 86xx: mark functions static, other minor cleanups
  ...

4 files changed, 179 insertions, 0 deletions

diff --git a/include/linux/lmb.h b/include/linux/lmb.h
new file mode 100644
index 000000000000..271153d27fba
--- /dev/null
+++ b/include/linux/lmb.h
@@ -0,0 +1,85 @@
+#ifndef _LINUX_LMB_H
+#define _LINUX_LMB_H
+#ifdef __KERNEL__
+
+/*
+ * Logical memory blocks.
+ *
+ * Copyright (C) 2001 Peter Bergner, IBM Corp.
+ *
+ * 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/init.h>
+#include <linux/mm.h>
+
+#define MAX_LMB_REGIONS 128
+
+struct lmb_property {
+        u64 base;
+        u64 size;
+};
+
+struct lmb_region {
+        unsigned long cnt;
+        u64 size;
+        struct lmb_property region[MAX_LMB_REGIONS+1];
+};
+
+struct lmb {
+        unsigned long debug;
+        u64 rmo_size;
+        struct lmb_region memory;
+        struct lmb_region reserved;
+};
+
+extern struct lmb lmb;
+
+extern void __init lmb_init(void);
+extern void __init lmb_analyze(void);
+extern long __init lmb_add(u64 base, u64 size);
+extern long __init lmb_reserve(u64 base, u64 size);
+extern u64 __init lmb_alloc_nid(u64 size, u64 align, int nid,
+                                u64 (*nid_range)(u64, u64, int *));
+extern u64 __init lmb_alloc(u64 size, u64 align);
+extern u64 __init lmb_alloc_base(u64 size,
+                u64, u64 max_addr);
+extern u64 __init __lmb_alloc_base(u64 size,
+                u64 align, u64 max_addr);
+extern u64 __init lmb_phys_mem_size(void);
+extern u64 __init lmb_end_of_DRAM(void);
+extern void __init lmb_enforce_memory_limit(u64 memory_limit);
+extern int __init lmb_is_reserved(u64 addr);
+
+extern void lmb_dump_all(void);
+
+static inline u64
+lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
+{
+        return type->region[region_nr].size;
+}
+static inline u64
+lmb_size_pages(struct lmb_region *type, unsigned long region_nr)
+{
+        return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT;
+}
+static inline u64
+lmb_start_pfn(struct lmb_region *type, unsigned long region_nr)
+{
+        return type->region[region_nr].base >> PAGE_SHIFT;
+}
+static inline u64
+lmb_end_pfn(struct lmb_region *type, unsigned long region_nr)
+{
+        return lmb_start_pfn(type, region_nr) +
+               lmb_size_pages(type, region_nr);
+}
+
+#include <asm/lmb.h>
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_LMB_H */
diff --git a/include/linux/of.h b/include/linux/of.h
index 6981016dcc25..59a61bdc98b6 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -62,6 +62,7 @@ extern struct property *of_find_property(const struct device_node *np,
                                          int *lenp);
 extern int of_device_is_compatible(const struct device_node *device,
                                    const char *);
+extern int of_device_is_available(const struct device_node *device);
 extern const void *of_get_property(const struct device_node *node,
                                 const char *name,
                                 int *lenp);
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
new file mode 100644
index 000000000000..2ee97e9877a7
--- /dev/null
+++ b/include/linux/of_gpio.h
@@ -0,0 +1,69 @@
+/*
+ * OF helpers for the GPIO API
+ *
+ * Copyright (c) 2007-2008  MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_OF_GPIO_H
+#define __LINUX_OF_GPIO_H
+
+#include <linux/errno.h>
+#include <asm/gpio.h>
+
+#ifdef CONFIG_OF_GPIO
+
+/*
+ * Generic OF GPIO chip
+ */
+struct of_gpio_chip {
+        struct gpio_chip gc;
+        int gpio_cells;
+        int (*xlate)(struct of_gpio_chip *of_gc, struct device_node *np,
+                     const void *gpio_spec);
+};
+
+static inline struct of_gpio_chip *to_of_gpio_chip(struct gpio_chip *gc)
+{
+        return container_of(gc, struct of_gpio_chip, gc);
+}
+
+/*
+ * OF GPIO chip for memory mapped banks
+ */
+struct of_mm_gpio_chip {
+        struct of_gpio_chip of_gc;
+        void (*save_regs)(struct of_mm_gpio_chip *mm_gc);
+        void __iomem *regs;
+};
+
+static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc)
+{
+        struct of_gpio_chip *of_gc = to_of_gpio_chip(gc);
+
+        return container_of(of_gc, struct of_mm_gpio_chip, of_gc);
+}
+
+extern int of_get_gpio(struct device_node *np, int index);
+extern int of_mm_gpiochip_add(struct device_node *np,
+                              struct of_mm_gpio_chip *mm_gc);
+extern int of_gpio_simple_xlate(struct of_gpio_chip *of_gc,
+                                struct device_node *np,
+                                const void *gpio_spec);
+#else
+
+/* Drivers may not strictly depend on the GPIO support, so let them link. */
+static inline int of_get_gpio(struct device_node *np, int index)
+{
+        return -ENOSYS;
+}
+
+#endif /* CONFIG_OF_GPIO */
+
+#endif /* __LINUX_OF_GPIO_H */
diff --git a/include/linux/of_i2c.h b/include/linux/of_i2c.h
new file mode 100644
index 000000000000..2e5a96732042
--- /dev/null
+++ b/include/linux/of_i2c.h
@@ -0,0 +1,24 @@
+/*
+ * Generic I2C API implementation for PowerPC.
+ *
+ * Copyright (c) 2008 Jochen Friedrich <jochen@scram.de>
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_OF_I2C_H
+#define __LINUX_OF_I2C_H
+
+#include <linux/i2c.h>
+
+#ifdef CONFIG_OF_I2C
+
+void of_register_i2c_devices(struct i2c_adapter *adap,
+                             struct device_node *adap_node);
+
+#endif /* CONFIG_OF_I2C */
+
+#endif /* __LINUX_OF_I2C_H */