20 files changed, 189 insertions, 179 deletions

diff --git a/include/asm-powerpc/auxvec.h b/include/asm-powerpc/auxvec.h
index 79d8c47323..19a099b62c 100644
--- a/include/asm-powerpc/auxvec.h
+++ b/include/asm-powerpc/auxvec.h
@@ -14,8 +14,6 @@
 /* The vDSO location. We have to use the same value as x86 for glibc's
  * sake :-)
  */
-#ifdef __powerpc64__
 #define AT_SYSINFO_EHDR         33
-#endif
 
 #endif
diff --git a/include/asm-powerpc/elf.h b/include/asm-powerpc/elf.h
index feac3458d7..3dcd65edf9 100644
--- a/include/asm-powerpc/elf.h
+++ b/include/asm-powerpc/elf.h
@@ -269,14 +269,12 @@ extern int dcache_bsize;
 extern int icache_bsize;
 extern int ucache_bsize;
 
-#ifdef __powerpc64__
+/* vDSO has arch_setup_additional_pages */
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
 struct linux_binprm;
-#define ARCH_HAS_SETUP_ADDITIONAL_PAGES /* vDSO has arch_setup_additional_pages */
-extern int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack);
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+                                       int executable_stack);
 #define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b);
-#else
-#define VDSO_AUX_ENT(a,b)
-#endif /* __powerpc64__ */
 
 /*
  * The requirements here are:
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index c9fbcede0e..8eb7e857ec 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -389,6 +389,7 @@ extern u64 ppc64_interrupt_controller;
 #define SIU_INT_TIMER4          ((uint)0x0f + CPM_IRQ_OFFSET)
 #define SIU_INT_TMCNT           ((uint)0x10 + CPM_IRQ_OFFSET)
 #define SIU_INT_PIT             ((uint)0x11 + CPM_IRQ_OFFSET)
+#define SIU_INT_PCI             ((uint)0x12 + CPM_IRQ_OFFSET)
 #define SIU_INT_IRQ1            ((uint)0x13 + CPM_IRQ_OFFSET)
 #define SIU_INT_IRQ2            ((uint)0x14 + CPM_IRQ_OFFSET)
 #define SIU_INT_IRQ3            ((uint)0x15 + CPM_IRQ_OFFSET)
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index f6f186b56b..d12382d292 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -177,8 +177,8 @@ struct thread_struct {
 #ifdef CONFIG_PPC64
         unsigned long   start_tb;       /* Start purr when proc switched in */
         unsigned long   accum_tb;       /* Total accumilated purr for process */
-        unsigned long   vdso_base;      /* base of the vDSO library */
 #endif
+        unsigned long   vdso_base;      /* base of the vDSO library */
         unsigned long   dabr;           /* Data address breakpoint register */
 #ifdef CONFIG_ALTIVEC
         /* Complete AltiVec register set */
diff --git a/include/asm-powerpc/sparsemem.h b/include/asm-powerpc/sparsemem.h
index 58d2aab416..ba1b34fdb9 100644
--- a/include/asm-powerpc/sparsemem.h
+++ b/include/asm-powerpc/sparsemem.h
@@ -8,8 +8,8 @@
  * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
  */
 #define SECTION_SIZE_BITS       24
-#define MAX_PHYSADDR_BITS       38
-#define MAX_PHYSMEM_BITS        36
+#define MAX_PHYSADDR_BITS       44
+#define MAX_PHYSMEM_BITS        44
 
 #ifdef CONFIG_MEMORY_HOTPLUG
 extern void create_section_mapping(unsigned long start, unsigned long end);
diff --git a/include/asm-powerpc/systemcfg.h b/include/asm-powerpc/systemcfg.h
deleted file mode 100644
index 36b5cbe466..0000000000
--- a/include/asm-powerpc/systemcfg.h
+++ /dev/null
@@ -1,64 +0,0 @@
-#ifndef _SYSTEMCFG_H
-#define _SYSTEMCFG_H
-
-/*
- * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
- *
- * 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.
- */
-
-/* Change Activity:
- * 2002/09/30 : bergner  : Created
- * End Change Activity
- */
-
-/*
- * If the major version changes we are incompatible.
- * Minor version changes are a hint.
- */
-#define SYSTEMCFG_MAJOR 1
-#define SYSTEMCFG_MINOR 1
-
-#ifndef __ASSEMBLY__
-
-#include <linux/unistd.h>
-
-#define SYSCALL_MAP_SIZE      ((__NR_syscalls + 31) / 32)
-
-struct systemcfg {
-        __u8  eye_catcher[16];          /* Eyecatcher: SYSTEMCFG:PPC64  0x00 */
-        struct {                        /* Systemcfg version numbers         */
-                __u32 major;            /* Major number                 0x10 */
-                __u32 minor;            /* Minor number                 0x14 */
-        } version;
-
-        __u32 platform;                 /* Platform flags               0x18 */
-        __u32 processor;                /* Processor type               0x1C */
-        __u64 processorCount;           /* # of physical processors     0x20 */
-        __u64 physicalMemorySize;       /* Size of real memory(B)       0x28 */
-        __u64 tb_orig_stamp;            /* Timebase at boot             0x30 */
-        __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
-        __u64 tb_to_xs;                 /* Inverse of TB to 2^20        0x40 */
-        __u64 stamp_xsec;               /*                              0x48 */
-        __u64 tb_update_count;          /* Timebase atomicity ctr       0x50 */
-        __u32 tz_minuteswest;           /* Minutes west of Greenwich    0x58 */
-        __u32 tz_dsttime;               /* Type of dst correction       0x5C */
-        /* next four are no longer used except to be exported to /proc */
-        __u32 dcache_size;              /* L1 d-cache size              0x60 */
-        __u32 dcache_line_size;         /* L1 d-cache line size         0x64 */
-        __u32 icache_size;              /* L1 i-cache size              0x68 */
-        __u32 icache_line_size;         /* L1 i-cache line size         0x6C */
-        __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of available syscalls 0x70 */
-        __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of available syscalls */
-};
-
-#ifdef __KERNEL__
-extern struct systemcfg *_systemcfg; /* to be renamed */
-#endif
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _SYSTEMCFG_H */
diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h
index 2512e3836b..015d28746e 100644
--- a/include/asm-powerpc/topology.h
+++ b/include/asm-powerpc/topology.h
@@ -9,15 +9,7 @@
 
 static inline int cpu_to_node(int cpu)
 {
-        int node;
-
-        node = numa_cpu_lookup_table[cpu];
-
-#ifdef DEBUG_NUMA
-        BUG_ON(node == -1);
-#endif
-
-        return node;
+        return numa_cpu_lookup_table[cpu];
 }
 
 #define parent_node(node)       (node)
@@ -37,8 +29,6 @@ static inline int node_to_first_cpu(int node)
 #define pcibus_to_node(node)    (-1)
 #define pcibus_to_cpumask(bus)  (cpu_online_map)
 
-#define nr_cpus_node(node)      (nr_cpus_in_node[node])
-
 /* sched_domains SD_NODE_INIT for PPC64 machines */
 #define SD_NODE_INIT (struct sched_domain) {            \
         .span                   = CPU_MASK_NONE,        \
diff --git a/include/asm-ppc64/udbg.h b/include/asm-powerpc/udbg.h
index e3b9279918..a383383bc4 100644
--- a/include/asm-ppc64/udbg.h
+++ b/include/asm-powerpc/udbg.h
@@ -1,9 +1,3 @@
-#ifndef __UDBG_HDR
-#define __UDBG_HDR
-
-#include <linux/compiler.h>
-#include <linux/init.h>
-
 /*
  * c 2001 PPC 64 Team, IBM Corp
  *
@@ -13,6 +7,12 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+#ifndef _ASM_POWERPC_UDBG_H
+#define _ASM_POWERPC_UDBG_H
+
+#include <linux/compiler.h>
+#include <linux/init.h>
+
 extern void (*udbg_putc)(unsigned char c);
 extern unsigned char (*udbg_getc)(void);
 extern int (*udbg_getc_poll)(void);
@@ -28,4 +28,4 @@ extern void udbg_init_uart(void __iomem *comport, unsigned int speed);
 
 struct device_node;
 extern void udbg_init_scc(struct device_node *np);
-#endif
+#endif /* _ASM_POWERPC_UDBG_H */
diff --git a/include/asm-ppc64/vdso.h b/include/asm-powerpc/vdso.h
index 85d8a7be25..85d8a7be25 100644
--- a/include/asm-ppc64/vdso.h
+++ b/include/asm-powerpc/vdso.h
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
new file mode 100644
index 0000000000..fc323b5136
--- /dev/null
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -0,0 +1,108 @@
+#ifndef _VDSO_DATAPAGE_H
+#define _VDSO_DATAPAGE_H
+
+/*
+ * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
+ * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>,
+ *                    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.
+ */
+
+
+/*
+ * Note about this structure:
+ *
+ * This structure was historically called systemcfg and exposed to
+ * userland via /proc/ppc64/systemcfg. Unfortunately, this became an
+ * ABI issue as some proprietary software started relying on being able
+ * to mmap() it, thus we have to keep the base layout at least for a
+ * few kernel versions.
+ *
+ * However, since ppc32 doesn't suffer from this backward handicap,
+ * a simpler version of the data structure is used there with only the
+ * fields actually used by the vDSO.
+ *
+ */
+
+/*
+ * If the major version changes we are incompatible.
+ * Minor version changes are a hint.
+ */
+#define SYSTEMCFG_MAJOR 1
+#define SYSTEMCFG_MINOR 1
+
+#ifndef __ASSEMBLY__
+
+#include <linux/unistd.h>
+
+#define SYSCALL_MAP_SIZE      ((__NR_syscalls + 31) / 32)
+
+/*
+ * So here is the ppc64 backward compatible version
+ */
+
+#ifdef CONFIG_PPC64
+
+struct vdso_data {
+        __u8  eye_catcher[16];          /* Eyecatcher: SYSTEMCFG:PPC64  0x00 */
+        struct {                        /* Systemcfg version numbers         */
+                __u32 major;            /* Major number                 0x10 */
+                __u32 minor;            /* Minor number                 0x14 */
+        } version;
+
+        __u32 platform;                 /* Platform flags               0x18 */
+        __u32 processor;                /* Processor type               0x1C */
+        __u64 processorCount;           /* # of physical processors     0x20 */
+        __u64 physicalMemorySize;       /* Size of real memory(B)       0x28 */
+        __u64 tb_orig_stamp;            /* Timebase at boot             0x30 */
+        __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
+        __u64 tb_to_xs;                 /* Inverse of TB to 2^20        0x40 */
+        __u64 stamp_xsec;               /*                              0x48 */
+        __u64 tb_update_count;          /* Timebase atomicity ctr       0x50 */
+        __u32 tz_minuteswest;           /* Minutes west of Greenwich    0x58 */
+        __u32 tz_dsttime;               /* Type of dst correction       0x5C */
+        __u32 dcache_size;              /* L1 d-cache size              0x60 */
+        __u32 dcache_line_size;         /* L1 d-cache line size         0x64 */
+        __u32 icache_size;              /* L1 i-cache size              0x68 */
+        __u32 icache_line_size;         /* L1 i-cache line size         0x6C */
+
+        /* those additional ones don't have to be located anywhere
+         * special as they were not part of the original systemcfg
+         */
+        __s64 wtom_clock_sec;                   /* Wall to monotonic clock */
+        __s32 wtom_clock_nsec;
+        __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls  */
+        __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
+};
+
+#else /* CONFIG_PPC64 */
+
+/*
+ * And here is the simpler 32 bits version
+ */
+struct vdso_data {
+        __u64 tb_orig_stamp;            /* Timebase at boot             0x30 */
+        __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
+        __u64 tb_to_xs;                 /* Inverse of TB to 2^20        0x40 */
+        __u64 stamp_xsec;               /*                              0x48 */
+        __u32 tb_update_count;          /* Timebase atomicity ctr       0x50 */
+        __u32 tz_minuteswest;           /* Minutes west of Greenwich    0x58 */
+        __u32 tz_dsttime;               /* Type of dst correction       0x5C */
+        __s32 wtom_clock_sec;                   /* Wall to monotonic clock */
+        __s32 wtom_clock_nsec;
+        __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
+};
+
+#endif /* CONFIG_PPC64 */
+
+#ifdef __KERNEL__
+extern struct vdso_data *vdso_data;
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _SYSTEMCFG_H */
diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h
index fc44f7ca62..538e0c8ab2 100644
--- a/include/asm-ppc/page.h
+++ b/include/asm-ppc/page.h
@@ -1,9 +1,12 @@
 #ifndef _PPC_PAGE_H
 #define _PPC_PAGE_H
 
+#include <linux/config.h>
+#include <asm/asm-compat.h>
+
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT      12
-#define PAGE_SIZE       (1UL << PAGE_SHIFT)
+#define PAGE_SIZE       (ASM_CONST(1) << PAGE_SHIFT)
 
 /*
  * Subtle: this is an int (not an unsigned long) and so it
@@ -169,5 +172,8 @@ extern __inline__ int get_order(unsigned long size)
 #define VM_DATA_DEFAULT_FLAGS   (VM_READ | VM_WRITE | VM_EXEC | \
                                  VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+/* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */
+#define __HAVE_ARCH_GATE_AREA           1
+
 #endif /* __KERNEL__ */
 #endif /* _PPC_PAGE_H */
diff --git a/include/asm-ppc64/mmzone.h b/include/asm-ppc64/mmzone.h
index 15e777ce0f..54958d6cae 100644
--- a/include/asm-ppc64/mmzone.h
+++ b/include/asm-ppc64/mmzone.h
@@ -8,15 +8,14 @@
 #define _ASM_MMZONE_H_
 
 #include <linux/config.h>
-#include <asm/smp.h>
 
-/* generic non-linear memory support:
+/*
+ * generic non-linear memory support:
  *
  * 1) we will not split memory into more chunks than will fit into the
  *    flags field of the struct page
  */
 
-
 #ifdef CONFIG_NEED_MULTIPLE_NODES
 
 extern struct pglist_data *node_data[];
@@ -30,44 +29,11 @@ extern struct pglist_data *node_data[];
  */
 
 extern int numa_cpu_lookup_table[];
-extern char *numa_memory_lookup_table;
 extern cpumask_t numa_cpumask_lookup_table[];
-extern int nr_cpus_in_node[];
 #ifdef CONFIG_MEMORY_HOTPLUG
 extern unsigned long max_pfn;
 #endif
 
-/* 16MB regions */
-#define MEMORY_INCREMENT_SHIFT 24
-#define MEMORY_INCREMENT (1UL << MEMORY_INCREMENT_SHIFT)
-
-/* NUMA debugging, will not work on a DLPAR machine */
-#undef DEBUG_NUMA
-
-static inline int pa_to_nid(unsigned long pa)
-{
-        int nid;
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-        /* kludge hot added sections default to node 0 */
-        if (pa >= (max_pfn << PAGE_SHIFT))
-                return 0;
-#endif
-        nid = numa_memory_lookup_table[pa >> MEMORY_INCREMENT_SHIFT];
-
-#ifdef DEBUG_NUMA
-        /* the physical address passed in is not in the map for the system */
-        if (nid == -1) {
-                printk("bad address: %lx\n", pa);
-                BUG();
-        }
-#endif
-
-        return nid;
-}
-
-#define node_localnr(pfn, nid)  ((pfn) - NODE_DATA(nid)->node_start_pfn)
-
 /*
  * Following are macros that each numa implmentation must define.
  */
@@ -75,39 +41,10 @@ static inline int pa_to_nid(unsigned long pa)
 #define node_start_pfn(nid)     (NODE_DATA(nid)->node_start_pfn)
 #define node_end_pfn(nid)       (NODE_DATA(nid)->node_end_pfn)
 
-#ifdef CONFIG_DISCONTIGMEM
-
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr)    pa_to_nid(__pa(kaddr))
-
-#define pfn_to_nid(pfn)         pa_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
-
-/* Written this way to avoid evaluating arguments twice */
-#define discontigmem_pfn_to_page(pfn) \
-({ \
-        unsigned long __tmp = pfn; \
-        (NODE_DATA(pfn_to_nid(__tmp))->node_mem_map + \
-         node_localnr(__tmp, pfn_to_nid(__tmp))); \
-})
-
-#define discontigmem_page_to_pfn(p) \
-({ \
-        struct page *__tmp = p; \
-        (((__tmp) - page_zone(__tmp)->zone_mem_map) + \
-         page_zone(__tmp)->zone_start_pfn); \
-})
-
-/* XXX fix for discontiguous physical memory */
-#define discontigmem_pfn_valid(pfn)             ((pfn) < num_physpages)
-
-#endif /* CONFIG_DISCONTIGMEM */
-
 #endif /* CONFIG_NEED_MULTIPLE_NODES */
 
 #ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
-#define early_pfn_to_nid(pfn)  pa_to_nid(((unsigned long)pfn) << PAGE_SHIFT)
+extern int __init early_pfn_to_nid(unsigned long pfn);
 #endif
 
 #endif /* _ASM_MMZONE_H_ */
diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
index e32f1187aa..3efc3288f7 100644
--- a/include/asm-ppc64/page.h
+++ b/include/asm-ppc64/page.h
@@ -279,11 +279,6 @@ extern u64 ppc64_pft_size;		/* Log 2 of page table size */
 
 #define __va(x) ((void *)((unsigned long)(x) + KERNELBASE))
 
-#ifdef CONFIG_DISCONTIGMEM
-#define page_to_pfn(page)       discontigmem_page_to_pfn(page)
-#define pfn_to_page(pfn)        discontigmem_pfn_to_page(pfn)
-#define pfn_valid(pfn)          discontigmem_pfn_valid(pfn)
-#endif
 #ifdef CONFIG_FLATMEM
 #define pfn_to_page(pfn)        (mem_map + (pfn))
 #define page_to_pfn(page)       ((unsigned long)((page) - mem_map))
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 7fb3ff9c7b..d37c8d808b 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -8,6 +8,10 @@
  * Small id to pointer translation service avoiding fixed sized
  * tables.
  */
+
+#ifndef __IDR_H__
+#define __IDR_H__
+
 #include <linux/types.h>
 #include <linux/bitops.h>
 
@@ -77,3 +81,5 @@ int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
 void idr_remove(struct idr *idp, int id);
 void idr_destroy(struct idr *idp);
 void idr_init(struct idr *idp);
+
+#endif /* __IDR_H__ */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 6f0752219f..ad5996183e 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -29,6 +29,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <linux/ata.h>
 #include <linux/workqueue.h>
@@ -398,12 +399,13 @@ struct ata_port_operations {
 };
 
 struct ata_port_info {
-        struct scsi_host_template *sht;
+        struct scsi_host_template       *sht;
         unsigned long           host_flags;
         unsigned long           pio_mask;
         unsigned long           mwdma_mask;
         unsigned long           udma_mask;
         const struct ata_port_operations *port_ops;
+        void                    *private_data;
 };
 
 struct ata_timing {
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4e06eb0f44..d00f8ba7f2 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -442,6 +442,7 @@
 #define PCI_DEVICE_ID_IBM_SNIPE         0x0180
 #define PCI_DEVICE_ID_IBM_CITRINE               0x028C
 #define PCI_DEVICE_ID_IBM_GEMSTONE              0xB166
+#define PCI_DEVICE_ID_IBM_OBSIDIAN              0x02BD
 #define PCI_DEVICE_ID_IBM_ICOM_DEV_ID_1 0x0031
 #define PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2 0x0219
 #define PCI_DEVICE_ID_IBM_ICOM_V2_TWO_PORTS_RVX         0x021A
@@ -2147,6 +2148,7 @@
 #define PCI_DEVICE_ID_ADAPTEC2_7899B    0x00c1
 #define PCI_DEVICE_ID_ADAPTEC2_7899D    0x00c3
 #define PCI_DEVICE_ID_ADAPTEC2_7899P    0x00cf
+#define PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN   0x0500
 #define PCI_DEVICE_ID_ADAPTEC2_SCAMP    0x0503
 
 
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 1a165b7ae0..17e336f40b 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -43,4 +43,19 @@ extern int platform_device_add_data(struct platform_device *pdev, void *data, si
 extern int platform_device_add(struct platform_device *pdev);
 extern void platform_device_put(struct platform_device *pdev);
 
+struct platform_driver {
+        int (*probe)(struct platform_device *);
+        int (*remove)(struct platform_device *);
+        void (*shutdown)(struct platform_device *);
+        int (*suspend)(struct platform_device *, pm_message_t state);
+        int (*resume)(struct platform_device *);
+        struct device_driver driver;
+};
+
+extern int platform_driver_register(struct platform_driver *);
+extern void platform_driver_unregister(struct platform_driver *);
+
+#define platform_get_drvdata(_dev)      dev_get_drvdata(&(_dev)->dev)
+#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
+
 #endif /* _PLATFORM_DEVICE_H_ */
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
index a71123c282..48831eac29 100644
--- a/include/linux/raid_class.h
+++ b/include/linux/raid_class.h
@@ -1,4 +1,9 @@
 /*
+ * raid_class.h - a generic raid visualisation class
+ *
+ * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
+ *
+ * This file is licensed under GPLv2
  */
 #include <linux/transport_class.h>
 
@@ -14,20 +19,35 @@ struct raid_function_template {
 };
 
 enum raid_state {
-        RAID_ACTIVE = 1,
-        RAID_DEGRADED,
-        RAID_RESYNCING,
-        RAID_OFFLINE,
+        RAID_STATE_UNKNOWN = 0,
+        RAID_STATE_ACTIVE,
+        RAID_STATE_DEGRADED,
+        RAID_STATE_RESYNCING,
+        RAID_STATE_OFFLINE,
+};
+
+enum raid_level {
+        RAID_LEVEL_UNKNOWN = 0,
+        RAID_LEVEL_LINEAR,
+        RAID_LEVEL_0,
+        RAID_LEVEL_1,
+        RAID_LEVEL_3,
+        RAID_LEVEL_4,
+        RAID_LEVEL_5,
+        RAID_LEVEL_6,
 };
 
 struct raid_data {
         struct list_head component_list;
         int component_count;
-        int level;
+        enum raid_level level;
         enum raid_state state;
         int resync;
 };
 
+/* resync complete goes from 0 to this */
+#define RAID_MAX_RESYNC         (10000)
+
 #define DEFINE_RAID_ATTRIBUTE(type, attr)                                     \
 static inline void                                                            \
 raid_set_##attr(struct raid_template *r, struct device *dev, type value) {    \
@@ -48,7 +68,7 @@ raid_get_##attr(struct raid_template *r, struct device *dev) {		      \
         return rd->attr;                                                      \
 }
 
-DEFINE_RAID_ATTRIBUTE(int, level)
+DEFINE_RAID_ATTRIBUTE(enum raid_level, level)
 DEFINE_RAID_ATTRIBUTE(int, resync)
 DEFINE_RAID_ATTRIBUTE(enum raid_state, state)
         
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index ecd53d7872..6cbb1982ed 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -7,6 +7,7 @@
 #include <linux/workqueue.h>
 
 struct block_device;
+struct completion;
 struct module;
 struct scsi_cmnd;
 struct scsi_device;
@@ -467,10 +468,8 @@ struct Scsi_Host {
 
         struct list_head        eh_cmd_q;
         struct task_struct    * ehandler;  /* Error recovery thread. */
-        struct semaphore      * eh_action; /* Wait for specific actions on the
-                                          host. */
-        unsigned int            eh_active:1; /* Indicates the eh thread is awake and active if
-                                          this is true. */
+        struct completion     * eh_action; /* Wait for specific actions on the
+                                              host. */
         wait_queue_head_t       host_wait;
         struct scsi_host_template *hostt;
         struct scsi_transport_template *transportt;
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
index 2539debb79..98d69fdb85 100644
--- a/include/scsi/scsi_request.h
+++ b/include/scsi/scsi_request.h
@@ -47,9 +47,6 @@ struct scsi_request {
 
 extern struct scsi_request *scsi_allocate_request(struct scsi_device *, gfp_t);
 extern void scsi_release_request(struct scsi_request *);
-extern void scsi_wait_req(struct scsi_request *, const void *cmnd,
-                          void *buffer, unsigned bufflen,
-                          int timeout, int retries);
 extern void scsi_do_req(struct scsi_request *, const void *cmnd,
                         void *buffer, unsigned bufflen,
                         void (*done) (struct scsi_cmnd *),