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-rw-r--r--arch/ppc/kernel/head.S17
-rw-r--r--arch/ppc/kernel/pci.c59
-rw-r--r--arch/ppc/kernel/ppc_ksyms.c6
-rw-r--r--arch/ppc/kernel/semaphore.c131
-rw-r--r--arch/ppc/kernel/setup.c2
5 files changed, 3 insertions, 212 deletions
diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index 1b0ec7202dd5..e7e642b95138 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -701,23 +701,6 @@ load_up_altivec:
b fast_exception_return
/*
- * AltiVec unavailable trap from kernel - print a message, but let
- * the task use AltiVec in the kernel until it returns to user mode.
- */
-KernelAltiVec:
- lwz r3,_MSR(r1)
- oris r3,r3,MSR_VEC@h
- stw r3,_MSR(r1) /* enable use of AltiVec after return */
- lis r3,87f@h
- ori r3,r3,87f@l
- mr r4,r2 /* current */
- lwz r5,_NIP(r1)
- bl printk
- b ret_from_except
-87: .string "AltiVec used in kernel (task=%p, pc=%x) \n"
- .align 4,0
-
-/*
* giveup_altivec(tsk)
* Disable AltiVec for the task given as the argument,
* and save the AltiVec registers in its thread_struct.
diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c
index c2ec13bea006..50ce83f20adb 100644
--- a/arch/ppc/kernel/pci.c
+++ b/arch/ppc/kernel/pci.c
@@ -578,39 +578,6 @@ pcibios_assign_resources(void)
}
-int
-pcibios_enable_resources(struct pci_dev *dev, int mask)
-{
- u16 cmd, old_cmd;
- int idx;
- struct resource *r;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- for (idx=0; idx<6; idx++) {
- /* Only set up the requested stuff */
- if (!(mask & (1<<idx)))
- continue;
-
- r = &dev->resource[idx];
- if (r->flags & IORESOURCE_UNSET) {
- printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- if (dev->resource[PCI_ROM_RESOURCE].start)
- cmd |= PCI_COMMAND_MEMORY;
- if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
-
static int next_controller_index;
struct pci_controller * __init
@@ -785,33 +752,11 @@ pcibios_update_irq(struct pci_dev *dev, int irq)
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
- u16 cmd, old_cmd;
- int idx;
- struct resource *r;
-
if (ppc_md.pcibios_enable_device_hook)
if (ppc_md.pcibios_enable_device_hook(dev, 0))
return -EINVAL;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- for (idx=0; idx<6; idx++) {
- r = &dev->resource[idx];
- if (r->flags & IORESOURCE_UNSET) {
- printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n",
- pci_name(dev), old_cmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
+
+ return pci_enable_resources(dev, mask);
}
struct pci_controller*
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index c35350250cfc..d9036ef0b658 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -12,7 +12,6 @@
#include <linux/irq.h>
#include <linux/pci.h>
#include <linux/delay.h>
-#include <linux/ide.h>
#include <linux/pm.h>
#include <linux/bitops.h>
@@ -89,6 +88,7 @@ EXPORT_SYMBOL(strncpy);
EXPORT_SYMBOL(strcat);
EXPORT_SYMBOL(strlen);
EXPORT_SYMBOL(strcmp);
+EXPORT_SYMBOL(strncmp);
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
@@ -124,10 +124,6 @@ EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(ioremap_bot); /* aka VMALLOC_END */
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-EXPORT_SYMBOL(ppc_ide_md);
-#endif
-
#ifdef CONFIG_PCI
EXPORT_SYMBOL(isa_io_base);
EXPORT_SYMBOL(isa_mem_base);
diff --git a/arch/ppc/kernel/semaphore.c b/arch/ppc/kernel/semaphore.c
deleted file mode 100644
index 2fe429b27c14..000000000000
--- a/arch/ppc/kernel/semaphore.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * PowerPC-specific semaphore code.
- *
- * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
- *
- * 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.
- *
- * April 2001 - Reworked by Paul Mackerras <paulus@samba.org>
- * to eliminate the SMP races in the old version between the updates
- * of `count' and `waking'. Now we use negative `count' values to
- * indicate that some process(es) are waiting for the semaphore.
- */
-
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <asm/atomic.h>
-#include <asm/semaphore.h>
-#include <asm/errno.h>
-
-/*
- * Atomically update sem->count.
- * This does the equivalent of the following:
- *
- * old_count = sem->count;
- * tmp = MAX(old_count, 0) + incr;
- * sem->count = tmp;
- * return old_count;
- */
-static inline int __sem_update_count(struct semaphore *sem, int incr)
-{
- int old_count, tmp;
-
- __asm__ __volatile__("\n"
-"1: lwarx %0,0,%3\n"
-" srawi %1,%0,31\n"
-" andc %1,%0,%1\n"
-" add %1,%1,%4\n"
- PPC405_ERR77(0,%3)
-" stwcx. %1,0,%3\n"
-" bne 1b"
- : "=&r" (old_count), "=&r" (tmp), "=m" (sem->count)
- : "r" (&sem->count), "r" (incr), "m" (sem->count)
- : "cc");
-
- return old_count;
-}
-
-void __up(struct semaphore *sem)
-{
- /*
- * Note that we incremented count in up() before we came here,
- * but that was ineffective since the result was <= 0, and
- * any negative value of count is equivalent to 0.
- * This ends up setting count to 1, unless count is now > 0
- * (i.e. because some other cpu has called up() in the meantime),
- * in which case we just increment count.
- */
- __sem_update_count(sem, 1);
- wake_up(&sem->wait);
-}
-
-/*
- * Note that when we come in to __down or __down_interruptible,
- * we have already decremented count, but that decrement was
- * ineffective since the result was < 0, and any negative value
- * of count is equivalent to 0.
- * Thus it is only when we decrement count from some value > 0
- * that we have actually got the semaphore.
- */
-void __sched __down(struct semaphore *sem)
-{
- struct task_struct *tsk = current;
- DECLARE_WAITQUEUE(wait, tsk);
-
- tsk->state = TASK_UNINTERRUPTIBLE;
- add_wait_queue_exclusive(&sem->wait, &wait);
- smp_wmb();
-
- /*
- * Try to get the semaphore. If the count is > 0, then we've
- * got the semaphore; we decrement count and exit the loop.
- * If the count is 0 or negative, we set it to -1, indicating
- * that we are asleep, and then sleep.
- */
- while (__sem_update_count(sem, -1) <= 0) {
- schedule();
- tsk->state = TASK_UNINTERRUPTIBLE;
- }
- remove_wait_queue(&sem->wait, &wait);
- tsk->state = TASK_RUNNING;
-
- /*
- * If there are any more sleepers, wake one of them up so
- * that it can either get the semaphore, or set count to -1
- * indicating that there are still processes sleeping.
- */
- wake_up(&sem->wait);
-}
-
-int __sched __down_interruptible(struct semaphore * sem)
-{
- int retval = 0;
- struct task_struct *tsk = current;
- DECLARE_WAITQUEUE(wait, tsk);
-
- tsk->state = TASK_INTERRUPTIBLE;
- add_wait_queue_exclusive(&sem->wait, &wait);
- smp_wmb();
-
- while (__sem_update_count(sem, -1) <= 0) {
- if (signal_pending(current)) {
- /*
- * A signal is pending - give up trying.
- * Set sem->count to 0 if it is negative,
- * since we are no longer sleeping.
- */
- __sem_update_count(sem, 0);
- retval = -EINTR;
- break;
- }
- schedule();
- tsk->state = TASK_INTERRUPTIBLE;
- }
- tsk->state = TASK_RUNNING;
- remove_wait_queue(&sem->wait, &wait);
- wake_up(&sem->wait);
- return retval;
-}
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 294055902f0c..bfddfdee0b65 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -10,7 +10,6 @@
#include <linux/reboot.h>
#include <linux/delay.h>
#include <linux/initrd.h>
-#include <linux/ide.h>
#include <linux/screen_info.h>
#include <linux/bootmem.h>
#include <linux/seq_file.h>
@@ -57,7 +56,6 @@ extern void ppc6xx_idle(void);
extern void power4_idle(void);
extern boot_infos_t *boot_infos;
-struct ide_machdep_calls ppc_ide_md;
/* Used with the BI_MEMSIZE bootinfo parameter to store the memory
size value reported by the boot loader. */