Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6

9 files changed, 40 insertions, 247 deletions

diff --git a/include/asm-ppc64/msgbuf.h b/include/asm-ppc64/msgbuf.h
deleted file mode 100644
index 31c1cbf133c..00000000000
--- a/include/asm-ppc64/msgbuf.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef _PPC64_MSGBUF_H
-#define _PPC64_MSGBUF_H
-
-/* 
- * The msqid64_ds structure for the PPC architecture.
- *
- * 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.
- */
-
-struct msqid64_ds {
-	struct ipc64_perm msg_perm;
-	__kernel_time_t msg_stime;	/* last msgsnd time */
-	__kernel_time_t msg_rtime;	/* last msgrcv time */
-	__kernel_time_t msg_ctime;	/* last change time */
-	unsigned long  msg_cbytes;	/* current number of bytes on queue */
-	unsigned long  msg_qnum;	/* number of messages in queue */
-	unsigned long  msg_qbytes;	/* max number of bytes on queue */
-	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
-	__kernel_pid_t msg_lrpid;	/* last receive pid */
-	unsigned long  __unused1;
-	unsigned long  __unused2;
-};
-
-#endif /* _PPC64_MSGBUF_H */
diff --git a/include/asm-ppc64/param.h b/include/asm-ppc64/param.h
deleted file mode 100644
index 76c212d475b..00000000000
--- a/include/asm-ppc64/param.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef _ASM_PPC64_PARAM_H
-#define _ASM_PPC64_PARAM_H
-
-#include <linux/config.h>
-
-/*
- * 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.
- */
-
-#ifdef __KERNEL__
-# define HZ		CONFIG_HZ	/* Internal kernel timer frequency */
-# define USER_HZ	100		/* .. some user interfaces are in "ticks" */
-# define CLOCKS_PER_SEC	(USER_HZ)	/* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE	4096
-
-#ifndef NOGROUP
-#define NOGROUP		(-1)
-#endif
-
-#define MAXHOSTNAMELEN	64	/* max length of hostname */
-
-#endif /* _ASM_PPC64_PARAM_H */
diff --git a/include/asm-ppc64/pci-bridge.h b/include/asm-ppc64/pci-bridge.h
index c4f9023ea5e..6b4a5b1f695 100644
--- a/include/asm-ppc64/pci-bridge.h
+++ b/include/asm-ppc64/pci-bridge.h
@@ -48,19 +48,52 @@ struct pci_controller {
 	unsigned long dma_window_size;
 };
 
+/*
+ * PCI stuff, for nodes representing PCI devices, pointed to
+ * by device_node->data.
+ */
+struct pci_controller;
+struct iommu_table;
+
+struct pci_dn {
+	int	busno;			/* for pci devices */
+	int	bussubno;		/* for pci devices */
+	int	devfn;			/* for pci devices */
+	int	eeh_mode;		/* See eeh.h for possible EEH_MODEs */
+	int	eeh_config_addr;
+	int	eeh_capable;		/* from firmware */
+	int 	eeh_check_count;	/* # times driver ignored error */
+	int 	eeh_freeze_count;	/* # times this device froze up. */
+	int	eeh_is_bridge;		/* device is pci-to-pci bridge */
+
+	int	pci_ext_config_space;	/* for pci devices */
+	struct  pci_controller *phb;	/* for pci devices */
+	struct	iommu_table *iommu_table;	/* for phb's or bridges */
+	struct	pci_dev *pcidev;	/* back-pointer to the pci device */
+	struct	device_node *node;	/* back-pointer to the device_node */
+	u32	config_space[16];	/* saved PCI config space */
+};
+
+/* Get the pointer to a device_node's pci_dn */
+#define PCI_DN(dn)	((struct pci_dn *) (dn)->data)
+
 struct device_node *fetch_dev_dn(struct pci_dev *dev);
 
-/* Get a device_node from a pci_dev.  This code must be fast except in the case
- * where the sysdata is incorrect and needs to be fixed up (hopefully just once)
+/* Get a device_node from a pci_dev.  This code must be fast except
+ * in the case where the sysdata is incorrect and needs to be fixed
+ * up (this will only happen once).
+ * In this case the sysdata will have been inherited from a PCI host
+ * bridge or a PCI-PCI bridge further up the tree, so it will point
+ * to a valid struct pci_dn, just not the one we want.
  */
 static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
 {
 	struct device_node *dn = dev->sysdata;
+	struct pci_dn *pdn = dn->data;
 
-	if (dn->devfn == dev->devfn && dn->busno == dev->bus->number)
+	if (pdn && pdn->devfn == dev->devfn && pdn->busno == dev->bus->number)
 		return dn;	/* fast path.  sysdata is good */
-	else
-		return fetch_dev_dn(dev);
+	return fetch_dev_dn(dev);
 }
 
 static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
@@ -83,7 +116,7 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
 	struct device_node *busdn = bus->sysdata;
 
 	BUG_ON(busdn == NULL);
-	return busdn->phb;
+	return PCI_DN(busdn)->phb;
 }
 
 #endif
diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h
index dc5330b3950..c02ec1d6b90 100644
--- a/include/asm-ppc64/prom.h
+++ b/include/asm-ppc64/prom.h
@@ -116,14 +116,6 @@ struct property {
 	struct property *next;
 };
 
-/* NOTE: the device_node contains PCI specific info for pci devices.
- * This perhaps could be hung off the device_node with another struct,
- * but for now it is directly in the node.  The phb ptr is a good
- * indication of a real PCI node.  Other nodes leave these fields zeroed.
- */
-struct pci_controller;
-struct iommu_table;
-
 struct device_node {
 	char	*name;
 	char	*type;
@@ -135,16 +127,6 @@ struct device_node {
 	struct	interrupt_info *intrs;
 	char	*full_name;
 
-	/* PCI stuff probably doesn't belong here */
-	int	busno;			/* for pci devices */
-	int	bussubno;		/* for pci devices */
-	int	devfn;			/* for pci devices */
-	int	eeh_mode;		/* See eeh.h for possible EEH_MODEs */
-	int	eeh_config_addr;
-	int	pci_ext_config_space;	/* for pci devices */
-	struct  pci_controller *phb;	/* for pci devices */
-	struct	iommu_table *iommu_table;	/* for phb's or bridges */
-
 	struct	property *properties;
 	struct	device_node *parent;
 	struct	device_node *child;
@@ -154,6 +136,7 @@ struct device_node {
 	struct  proc_dir_entry *pde;	/* this node's proc directory */
 	struct  kref kref;
 	unsigned long _flags;
+	void	*data;
 };
 
 extern struct device_node *of_chosen;
diff --git a/include/asm-ppc64/segment.h b/include/asm-ppc64/segment.h
deleted file mode 100644
index d80fb68cc79..00000000000
--- a/include/asm-ppc64/segment.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __PPC64_SEGMENT_H
-#define __PPC64_SEGMENT_H
-
-/* Only here because we have some old header files that expect it.. */
-
-#endif /* __PPC64_SEGMENT_H */
diff --git a/include/asm-ppc64/setup.h b/include/asm-ppc64/setup.h
deleted file mode 100644
index b257b8348c7..00000000000
--- a/include/asm-ppc64/setup.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _PPC_SETUP_H
-#define _PPC_SETUP_H
-
-#define COMMAND_LINE_SIZE 512
-
-#endif /* _PPC_SETUP_H */
diff --git a/include/asm-ppc64/timex.h b/include/asm-ppc64/timex.h
deleted file mode 100644
index 8db4da4064c..00000000000
--- a/include/asm-ppc64/timex.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * linux/include/asm-ppc/timex.h
- *
- * PPC64 architecture timex specifications
- *
- * 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 _ASMPPC64_TIMEX_H
-#define _ASMPPC64_TIMEX_H
-
-#define CLOCK_TICK_RATE	1193180 /* Underlying HZ */
-
-typedef unsigned long cycles_t;
-
-static inline cycles_t get_cycles(void)
-{
-	cycles_t ret;
-
-	__asm__ __volatile__("mftb %0" : "=r" (ret) : );
-	return ret;
-}
-
-#endif
diff --git a/include/asm-ppc64/topology.h b/include/asm-ppc64/topology.h
deleted file mode 100644
index 1e9b1907323..00000000000
--- a/include/asm-ppc64/topology.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#ifndef _ASM_PPC64_TOPOLOGY_H
-#define _ASM_PPC64_TOPOLOGY_H
-
-#include <linux/config.h>
-#include <asm/mmzone.h>
-
-#ifdef CONFIG_NUMA
-
-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;
-}
-
-#define parent_node(node)	(node)
-
-static inline cpumask_t node_to_cpumask(int node)
-{
-	return numa_cpumask_lookup_table[node];
-}
-
-static inline int node_to_first_cpu(int node)
-{
-	cpumask_t tmp;
-	tmp = node_to_cpumask(node);
-	return first_cpu(tmp);
-}
-
-#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,	\
-	.parent			= NULL,			\
-	.groups			= NULL,			\
-	.min_interval		= 8,			\
-	.max_interval		= 32,			\
-	.busy_factor		= 32,			\
-	.imbalance_pct		= 125,			\
-	.cache_hot_time		= (10*1000000),		\
-	.cache_nice_tries	= 1,			\
-	.per_cpu_gain		= 100,			\
-	.flags			= SD_LOAD_BALANCE	\
-				| SD_BALANCE_EXEC	\
-				| SD_BALANCE_NEWIDLE	\
-				| SD_WAKE_IDLE		\
-				| SD_WAKE_BALANCE,	\
-	.last_balance		= jiffies,		\
-	.balance_interval	= 1,			\
-	.nr_balance_failed	= 0,			\
-}
-
-#else
-
-#include <asm-generic/topology.h>
-
-#endif /* CONFIG_NUMA */
-
-#endif /* _ASM_PPC64_TOPOLOGY_H */
diff --git a/include/asm-ppc64/user.h b/include/asm-ppc64/user.h
deleted file mode 100644
index d7d6554a421..00000000000
--- a/include/asm-ppc64/user.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifndef _PPC_USER_H
-#define _PPC_USER_H
-
-/* Adapted from <asm-alpha/user.h> 
- *
- * 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 <asm/ptrace.h>
-#include <asm/page.h>
-
-/*
- * Core file format: The core file is written in such a way that gdb
- * can understand it and provide useful information to the user (under
- * linux we use the `trad-core' bfd, NOT the osf-core).  The file contents
- * are as follows:
- *
- *  upage: 1 page consisting of a user struct that tells gdb
- *	what is present in the file.  Directly after this is a
- *	copy of the task_struct, which is currently not used by gdb,
- *	but it may come in handy at some point.  All of the registers
- *	are stored as part of the upage.  The upage should always be
- *	only one page long.
- *  data: The data segment follows next.  We use current->end_text to
- *	current->brk to pick up all of the user variables, plus any memory
- *	that may have been sbrk'ed.  No attempt is made to determine if a
- *	page is demand-zero or if a page is totally unused, we just cover
- *	the entire range.  All of the addresses are rounded in such a way
- *	that an integral number of pages is written.
- *  stack: We need the stack information in order to get a meaningful
- *	backtrace.  We need to write the data from usp to
- *	current->start_stack, so we round each of these in order to be able
- *	to write an integer number of pages.
- */
-struct user {
-	struct pt_regs	regs;			/* entire machine state */
-	size_t		u_tsize;		/* text size (pages) */
-	size_t		u_dsize;		/* data size (pages) */
-	size_t		u_ssize;		/* stack size (pages) */
-	unsigned long	start_code;		/* text starting address */
-	unsigned long	start_data;		/* data starting address */
-	unsigned long	start_stack;		/* stack starting address */
-	long int	signal;			/* signal causing core dump */
-	struct regs *	u_ar0;			/* help gdb find registers */
-	unsigned long	magic;			/* identifies a core file */
-	char		u_comm[32];		/* user command name */
-};
-
-#define NBPG			PAGE_SIZE
-#define UPAGES			1
-#define HOST_TEXT_START_ADDR	(u.start_code)
-#define HOST_DATA_START_ADDR	(u.start_data)
-#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)
-
-#endif /* _PPC_USER_H */