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-rw-r--r--arch/ppc64/Kconfig11
-rw-r--r--arch/ppc64/Kconfig.debug4
-rw-r--r--arch/ppc64/boot/main.c11
-rw-r--r--arch/ppc64/kernel/idle.c1
-rw-r--r--arch/ppc64/kernel/kprobes.c138
-rw-r--r--arch/ppc64/kernel/lparcfg.c4
-rw-r--r--arch/ppc64/kernel/machine_kexec.c1
-rw-r--r--arch/ppc64/kernel/misc.S72
-rw-r--r--arch/ppc64/kernel/pci.c17
-rw-r--r--arch/ppc64/kernel/prom.c25
-rw-r--r--arch/ppc64/kernel/prom_init.c3
-rw-r--r--arch/ppc64/kernel/rtas_pci.c6
-rw-r--r--arch/ppc64/kernel/scanlog.c3
-rw-r--r--arch/ppc64/kernel/sysfs.c1
-rw-r--r--arch/ppc64/kernel/udbg.c55
15 files changed, 200 insertions, 152 deletions
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 2130cc31595..29552348e58 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -56,6 +56,7 @@ config PPC_STD_MMU
# max order + 1
config FORCE_MAX_ZONEORDER
int
+ default "9" if PPC_64K_PAGES
default "13"
source "init/Kconfig"
@@ -173,6 +174,16 @@ config KEXEC
support. As of this writing the exact hardware interface is
strongly in flux, so no good recommendation can be made.
+source "drivers/cpufreq/Kconfig"
+
+config CPU_FREQ_PMAC64
+ bool "Support for some Apple G5s"
+ depends on CPU_FREQ && PMAC_SMU && PPC64
+ select CPU_FREQ_TABLE
+ help
+ This adds support for frequency switching on Apple iMac G5,
+ and some of the more recent desktop G5 machines as well.
+
config IBMVIO
depends on PPC_PSERIES || PPC_ISERIES
bool
diff --git a/arch/ppc64/Kconfig.debug b/arch/ppc64/Kconfig.debug
index f16a5030527..b258c9314a1 100644
--- a/arch/ppc64/Kconfig.debug
+++ b/arch/ppc64/Kconfig.debug
@@ -55,10 +55,6 @@ config XMON_DEFAULT
xmon is normally disabled unless booted with 'xmon=on'.
Use 'xmon=off' to disable xmon init during runtime.
-config PPCDBG
- bool "Include PPCDBG realtime debugging"
- depends on DEBUG_KERNEL
-
config IRQSTACKS
bool "Use separate kernel stacks when processing interrupts"
help
diff --git a/arch/ppc64/boot/main.c b/arch/ppc64/boot/main.c
index c1dc876bcca..e0dde24a72c 100644
--- a/arch/ppc64/boot/main.c
+++ b/arch/ppc64/boot/main.c
@@ -203,8 +203,15 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp)
if (elf64ph->p_type == PT_LOAD && elf64ph->p_offset != 0)
break;
}
- vmlinux.size = (unsigned long)elf64ph->p_filesz;
- vmlinux.memsize = (unsigned long)elf64ph->p_memsz;
+ vmlinux.size = (unsigned long)elf64ph->p_filesz +
+ (unsigned long)elf64ph->p_offset;
+ /* We need to claim the memsize plus the file offset since gzip
+ * will expand the header (file offset), then the kernel, then
+ * possible rubbish we don't care about. But the kernel bss must
+ * be claimed (it will be zero'd by the kernel itself)
+ */
+ vmlinux.memsize = (unsigned long)elf64ph->p_memsz +
+ (unsigned long)elf64ph->p_offset;
printf("Allocating 0x%lx bytes for kernel ...\n\r", vmlinux.memsize);
vmlinux.addr = try_claim(vmlinux.memsize);
if (vmlinux.addr == 0) {
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 8abd2ad9283..8fec2746980 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -28,6 +28,7 @@
#include <asm/time.h>
#include <asm/systemcfg.h>
#include <asm/machdep.h>
+#include <asm/smp.h>
extern void power4_idle(void);
diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c
index ed876a5178a..511af54e623 100644
--- a/arch/ppc64/kernel/kprobes.c
+++ b/arch/ppc64/kernel/kprobes.c
@@ -30,19 +30,14 @@
#include <linux/config.h>
#include <linux/kprobes.h>
#include <linux/ptrace.h>
-#include <linux/spinlock.h>
#include <linux/preempt.h>
#include <asm/cacheflush.h>
#include <asm/kdebug.h>
#include <asm/sstep.h>
static DECLARE_MUTEX(kprobe_mutex);
-
-static struct kprobe *current_kprobe;
-static unsigned long kprobe_status, kprobe_saved_msr;
-static struct kprobe *kprobe_prev;
-static unsigned long kprobe_status_prev, kprobe_saved_msr_prev;
-static struct pt_regs jprobe_saved_regs;
+DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
+DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
int __kprobes arch_prepare_kprobe(struct kprobe *p)
{
@@ -108,20 +103,28 @@ static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
regs->nip = (unsigned long)p->ainsn.insn;
}
-static inline void save_previous_kprobe(void)
+static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+{
+ kcb->prev_kprobe.kp = kprobe_running();
+ kcb->prev_kprobe.status = kcb->kprobe_status;
+ kcb->prev_kprobe.saved_msr = kcb->kprobe_saved_msr;
+}
+
+static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
{
- kprobe_prev = current_kprobe;
- kprobe_status_prev = kprobe_status;
- kprobe_saved_msr_prev = kprobe_saved_msr;
+ __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
+ kcb->kprobe_status = kcb->prev_kprobe.status;
+ kcb->kprobe_saved_msr = kcb->prev_kprobe.saved_msr;
}
-static inline void restore_previous_kprobe(void)
+static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+ struct kprobe_ctlblk *kcb)
{
- current_kprobe = kprobe_prev;
- kprobe_status = kprobe_status_prev;
- kprobe_saved_msr = kprobe_saved_msr_prev;
+ __get_cpu_var(current_kprobe) = p;
+ kcb->kprobe_saved_msr = regs->msr;
}
+/* Called with kretprobe_lock held */
void __kprobes arch_prepare_kretprobe(struct kretprobe *rp,
struct pt_regs *regs)
{
@@ -145,19 +148,24 @@ static inline int kprobe_handler(struct pt_regs *regs)
struct kprobe *p;
int ret = 0;
unsigned int *addr = (unsigned int *)regs->nip;
+ struct kprobe_ctlblk *kcb;
+
+ /*
+ * We don't want to be preempted for the entire
+ * duration of kprobe processing
+ */
+ preempt_disable();
+ kcb = get_kprobe_ctlblk();
/* Check we're not actually recursing */
if (kprobe_running()) {
- /* We *are* holding lock here, so this is safe.
- Disarm the probe we just hit, and ignore it. */
p = get_kprobe(addr);
if (p) {
kprobe_opcode_t insn = *p->ainsn.insn;
- if (kprobe_status == KPROBE_HIT_SS &&
+ if (kcb->kprobe_status == KPROBE_HIT_SS &&
is_trap(insn)) {
regs->msr &= ~MSR_SE;
- regs->msr |= kprobe_saved_msr;
- unlock_kprobes();
+ regs->msr |= kcb->kprobe_saved_msr;
goto no_kprobe;
}
/* We have reentered the kprobe_handler(), since
@@ -166,27 +174,24 @@ static inline int kprobe_handler(struct pt_regs *regs)
* just single step on the instruction of the new probe
* without calling any user handlers.
*/
- save_previous_kprobe();
- current_kprobe = p;
- kprobe_saved_msr = regs->msr;
+ save_previous_kprobe(kcb);
+ set_current_kprobe(p, regs, kcb);
+ kcb->kprobe_saved_msr = regs->msr;
p->nmissed++;
prepare_singlestep(p, regs);
- kprobe_status = KPROBE_REENTER;
+ kcb->kprobe_status = KPROBE_REENTER;
return 1;
} else {
- p = current_kprobe;
+ p = __get_cpu_var(current_kprobe);
if (p->break_handler && p->break_handler(p, regs)) {
goto ss_probe;
}
}
- /* If it's not ours, can't be delete race, (we hold lock). */
goto no_kprobe;
}
- lock_kprobes();
p = get_kprobe(addr);
if (!p) {
- unlock_kprobes();
if (*addr != BREAKPOINT_INSTRUCTION) {
/*
* PowerPC has multiple variants of the "trap"
@@ -209,24 +214,19 @@ static inline int kprobe_handler(struct pt_regs *regs)
goto no_kprobe;
}
- kprobe_status = KPROBE_HIT_ACTIVE;
- current_kprobe = p;
- kprobe_saved_msr = regs->msr;
+ kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+ set_current_kprobe(p, regs, kcb);
if (p->pre_handler && p->pre_handler(p, regs))
/* handler has already set things up, so skip ss setup */
return 1;
ss_probe:
prepare_singlestep(p, regs);
- kprobe_status = KPROBE_HIT_SS;
- /*
- * This preempt_disable() matches the preempt_enable_no_resched()
- * in post_kprobe_handler().
- */
- preempt_disable();
+ kcb->kprobe_status = KPROBE_HIT_SS;
return 1;
no_kprobe:
+ preempt_enable_no_resched();
return ret;
}
@@ -251,9 +251,10 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
struct kretprobe_instance *ri = NULL;
struct hlist_head *head;
struct hlist_node *node, *tmp;
- unsigned long orig_ret_address = 0;
+ unsigned long flags, orig_ret_address = 0;
unsigned long trampoline_address =(unsigned long)&kretprobe_trampoline;
+ spin_lock_irqsave(&kretprobe_lock, flags);
head = kretprobe_inst_table_head(current);
/*
@@ -292,12 +293,14 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address));
regs->nip = orig_ret_address;
- unlock_kprobes();
+ reset_current_kprobe();
+ spin_unlock_irqrestore(&kretprobe_lock, flags);
+ preempt_enable_no_resched();
/*
* By returning a non-zero value, we are telling
- * kprobe_handler() that we have handled unlocking
- * and re-enabling preemption.
+ * kprobe_handler() that we don't want the post_handler
+ * to run (and have re-enabled preemption)
*/
return 1;
}
@@ -323,23 +326,26 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
static inline int post_kprobe_handler(struct pt_regs *regs)
{
- if (!kprobe_running())
+ struct kprobe *cur = kprobe_running();
+ struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+ if (!cur)
return 0;
- if ((kprobe_status != KPROBE_REENTER) && current_kprobe->post_handler) {
- kprobe_status = KPROBE_HIT_SSDONE;
- current_kprobe->post_handler(current_kprobe, regs, 0);
+ if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {
+ kcb->kprobe_status = KPROBE_HIT_SSDONE;
+ cur->post_handler(cur, regs, 0);
}
- resume_execution(current_kprobe, regs);
- regs->msr |= kprobe_saved_msr;
+ resume_execution(cur, regs);
+ regs->msr |= kcb->kprobe_saved_msr;
/*Restore back the original saved kprobes variables and continue. */
- if (kprobe_status == KPROBE_REENTER) {
- restore_previous_kprobe();
+ if (kcb->kprobe_status == KPROBE_REENTER) {
+ restore_previous_kprobe(kcb);
goto out;
}
- unlock_kprobes();
+ reset_current_kprobe();
out:
preempt_enable_no_resched();
@@ -354,19 +360,20 @@ out:
return 1;
}
-/* Interrupts disabled, kprobe_lock held. */
static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
- if (current_kprobe->fault_handler
- && current_kprobe->fault_handler(current_kprobe, regs, trapnr))
+ struct kprobe *cur = kprobe_running();
+ struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+ if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
return 1;
- if (kprobe_status & KPROBE_HIT_SS) {
- resume_execution(current_kprobe, regs);
+ if (kcb->kprobe_status & KPROBE_HIT_SS) {
+ resume_execution(cur, regs);
regs->msr &= ~MSR_SE;
- regs->msr |= kprobe_saved_msr;
+ regs->msr |= kcb->kprobe_saved_msr;
- unlock_kprobes();
+ reset_current_kprobe();
preempt_enable_no_resched();
}
return 0;
@@ -381,11 +388,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
struct die_args *args = (struct die_args *)data;
int ret = NOTIFY_DONE;
- /*
- * Interrupts are not disabled here. We need to disable
- * preemption, because kprobe_running() uses smp_processor_id().
- */
- preempt_disable();
switch (val) {
case DIE_BPT:
if (kprobe_handler(args->regs))
@@ -396,22 +398,25 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
ret = NOTIFY_STOP;
break;
case DIE_PAGE_FAULT:
+ /* kprobe_running() needs smp_processor_id() */
+ preempt_disable();
if (kprobe_running() &&
kprobe_fault_handler(args->regs, args->trapnr))
ret = NOTIFY_STOP;
+ preempt_enable();
break;
default:
break;
}
- preempt_enable_no_resched();
return ret;
}
int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
{
struct jprobe *jp = container_of(p, struct jprobe, kp);
+ struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
- memcpy(&jprobe_saved_regs, regs, sizeof(struct pt_regs));
+ memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs));
/* setup return addr to the jprobe handler routine */
regs->nip = (unsigned long)(((func_descr_t *)jp->entry)->entry);
@@ -431,12 +436,15 @@ void __kprobes jprobe_return_end(void)
int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
{
+ struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
/*
* FIXME - we should ideally be validating that we got here 'cos
* of the "trap" in jprobe_return() above, before restoring the
* saved regs...
*/
- memcpy(regs, &jprobe_saved_regs, sizeof(struct pt_regs));
+ memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs));
+ preempt_enable_no_resched();
return 1;
}
diff --git a/arch/ppc64/kernel/lparcfg.c b/arch/ppc64/kernel/lparcfg.c
index e86155770bb..3e7b2f28ec8 100644
--- a/arch/ppc64/kernel/lparcfg.c
+++ b/arch/ppc64/kernel/lparcfg.c
@@ -599,9 +599,7 @@ int __init lparcfg_init(void)
void __exit lparcfg_cleanup(void)
{
if (proc_ppc64_lparcfg) {
- if (proc_ppc64_lparcfg->data) {
- kfree(proc_ppc64_lparcfg->data);
- }
+ kfree(proc_ppc64_lparcfg->data);
remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent);
}
}
diff --git a/arch/ppc64/kernel/machine_kexec.c b/arch/ppc64/kernel/machine_kexec.c
index ff8679f260f..07ea03598c0 100644
--- a/arch/ppc64/kernel/machine_kexec.c
+++ b/arch/ppc64/kernel/machine_kexec.c
@@ -24,6 +24,7 @@
#include <asm/mmu.h>
#include <asm/sections.h> /* _end */
#include <asm/prom.h>
+#include <asm/smp.h>
#define HASH_GROUP_SIZE 0x80 /* size of each hash group, asm/mmu.h */
diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
index 077507ffbab..914632ec587 100644
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -560,7 +560,7 @@ _GLOBAL(real_readb)
isync
blr
- /*
+/*
* Do an IO access in real mode
*/
_GLOBAL(real_writeb)
@@ -593,6 +593,76 @@ _GLOBAL(real_writeb)
#endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */
/*
+ * SCOM access functions for 970 (FX only for now)
+ *
+ * unsigned long scom970_read(unsigned int address);
+ * void scom970_write(unsigned int address, unsigned long value);
+ *
+ * The address passed in is the 24 bits register address. This code
+ * is 970 specific and will not check the status bits, so you should
+ * know what you are doing.
+ */
+_GLOBAL(scom970_read)
+ /* interrupts off */
+ mfmsr r4
+ ori r0,r4,MSR_EE
+ xori r0,r0,MSR_EE
+ mtmsrd r0,1
+
+ /* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits
+ * (including parity). On current CPUs they must be 0'd,
+ * and finally or in RW bit
+ */
+ rlwinm r3,r3,8,0,15
+ ori r3,r3,0x8000
+
+ /* do the actual scom read */
+ sync
+ mtspr SPRN_SCOMC,r3
+ isync
+ mfspr r3,SPRN_SCOMD
+ isync
+ mfspr r0,SPRN_SCOMC
+ isync
+
+ /* XXX: fixup result on some buggy 970's (ouch ! we lost a bit, bah
+ * that's the best we can do). Not implemented yet as we don't use
+ * the scom on any of the bogus CPUs yet, but may have to be done
+ * ultimately
+ */
+
+ /* restore interrupts */
+ mtmsrd r4,1
+ blr
+
+
+_GLOBAL(scom970_write)
+ /* interrupts off */
+ mfmsr r5
+ ori r0,r5,MSR_EE
+ xori r0,r0,MSR_EE
+ mtmsrd r0,1
+
+ /* rotate 24 bits SCOM address 8 bits left and mask out it's low 8 bits
+ * (including parity). On current CPUs they must be 0'd.
+ */
+
+ rlwinm r3,r3,8,0,15
+
+ sync
+ mtspr SPRN_SCOMD,r4 /* write data */
+ isync
+ mtspr SPRN_SCOMC,r3 /* write command */
+ isync
+ mfspr 3,SPRN_SCOMC
+ isync
+
+ /* restore interrupts */
+ mtmsrd r5,1
+ blr
+
+
+/*
* Create a kernel thread
* kernel_thread(fn, arg, flags)
*/
diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
index 3d2106b022a..30247ff7497 100644
--- a/arch/ppc64/kernel/pci.c
+++ b/arch/ppc64/kernel/pci.c
@@ -295,8 +295,8 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev)
}
}
-static struct pci_dev *of_create_pci_dev(struct device_node *node,
- struct pci_bus *bus, int devfn)
+struct pci_dev *of_create_pci_dev(struct device_node *node,
+ struct pci_bus *bus, int devfn)
{
struct pci_dev *dev;
const char *type;
@@ -354,10 +354,9 @@ static struct pci_dev *of_create_pci_dev(struct device_node *node,
return dev;
}
+EXPORT_SYMBOL(of_create_pci_dev);
-static void of_scan_pci_bridge(struct device_node *node, struct pci_dev *dev);
-
-static void __devinit of_scan_bus(struct device_node *node,
+void __devinit of_scan_bus(struct device_node *node,
struct pci_bus *bus)
{
struct device_node *child = NULL;
@@ -381,9 +380,10 @@ static void __devinit of_scan_bus(struct device_node *node,
do_bus_setup(bus);
}
+EXPORT_SYMBOL(of_scan_bus);
-static void __devinit of_scan_pci_bridge(struct device_node *node,
- struct pci_dev *dev)
+void __devinit of_scan_pci_bridge(struct device_node *node,
+ struct pci_dev *dev)
{
struct pci_bus *bus;
u32 *busrange, *ranges;
@@ -464,9 +464,10 @@ static void __devinit of_scan_pci_bridge(struct device_node *node,
else if (mode == PCI_PROBE_NORMAL)
pci_scan_child_bus(bus);
}
+EXPORT_SYMBOL(of_scan_pci_bridge);
#endif /* CONFIG_PPC_MULTIPLATFORM */
-static void __devinit scan_phb(struct pci_controller *hose)
+void __devinit scan_phb(struct pci_controller *hose)
{
struct pci_bus *bus;
struct device_node *node = hose->arch_data;
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c
index dece31e58bc..3402fbee62c 100644
--- a/arch/ppc64/kernel/prom.c
+++ b/arch/ppc64/kernel/prom.c
@@ -31,6 +31,7 @@
#include <linux/initrd.h>
#include <linux/bitops.h>
#include <linux/module.h>
+#include <linux/module.h>
#include <asm/prom.h>
#include <asm/rtas.h>
@@ -46,7 +47,6 @@
#include <asm/pgtable.h>
#include <asm/pci.h>
#include <asm/iommu.h>
-#include <asm/ppcdebug.h>
#include <asm/btext.h>
#include <asm/sections.h>
#include <asm/machdep.h>
@@ -1866,17 +1866,32 @@ get_property(struct device_node *np, const char *name, int *lenp)
EXPORT_SYMBOL(get_property);
/*
- * Add a property to a node
+ * Add a property to a node.
*/
-void
+int
prom_add_property(struct device_node* np, struct property* prop)
{
- struct property **next = &np->properties;
+ struct property **next;
prop->next = NULL;
- while (*next)
+ write_lock(&devtree_lock);
+ next = &np->properties;
+ while (*next) {
+ if (strcmp(prop->name, (*next)->name) == 0) {
+ /* duplicate ! don't insert it */
+ write_unlock(&devtree_lock);
+ return -1;
+ }
next = &(*next)->next;
+ }
*next = prop;
+ write_unlock(&devtree_lock);
+
+ /* try to add to proc as well if it was initialized */
+ if (np->pde)
+ proc_device_tree_add_prop(np->pde, prop);
+
+ return 0;
}
#if 0
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index a4bbca6dbb8..e4c880dab99 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -44,7 +44,6 @@
#include <asm/pgtable.h>
#include <asm/pci.h>
#include <asm/iommu.h>
-#include <asm/ppcdebug.h>
#include <asm/btext.h>
#include <asm/sections.h>
#include <asm/machdep.h>
@@ -1825,7 +1824,7 @@ static void __init fixup_device_tree(void)
if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev))
== PROM_ERROR)
return;
- if (u3_rev != 0x35 && u3_rev != 0x37)
+ if (u3_rev < 0x35 || u3_rev > 0x39)
return;
/* does it need fixup ? */
if (prom_getproplen(i2c, "interrupts") > 0)
diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c
index 3ad15c90fbb..3c3f19192fc 100644
--- a/arch/ppc64/kernel/rtas_pci.c
+++ b/arch/ppc64/kernel/rtas_pci.c
@@ -440,7 +440,6 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
struct device_node *root = of_find_node_by_path("/");
unsigned int root_size_cells = 0;
struct pci_controller *phb;
- struct pci_bus *bus;
int primary;
root_size_cells = prom_n_size_cells(root);
@@ -456,10 +455,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
of_node_put(root);
pci_devs_phb_init_dynamic(phb);
- phb->last_busno = 0xff;
- bus = pci_scan_bus(phb->first_busno, phb->ops, phb->arch_data);
- phb->bus = bus;
- phb->last_busno = bus->subordinate;
+ scan_phb(phb);
return phb;
}
diff --git a/arch/ppc64/kernel/scanlog.c b/arch/ppc64/kernel/scanlog.c
index 215bf890030..2edc947f7c4 100644
--- a/arch/ppc64/kernel/scanlog.c
+++ b/arch/ppc64/kernel/scanlog.c
@@ -225,8 +225,7 @@ int __init scanlog_init(void)
void __exit scanlog_cleanup(void)
{
if (proc_ppc64_scan_log_dump) {
- if (proc_ppc64_scan_log_dump->data)
- kfree(proc_ppc64_scan_log_dump->data);
+ kfree(proc_ppc64_scan_log_dump->data);
remove_proc_entry("scan-log-dump", proc_ppc64_scan_log_dump->parent);
}
}
diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c
index 6654b350979..e99ec62c2c5 100644
--- a/arch/ppc64/kernel/sysfs.c
+++ b/arch/ppc64/kernel/sysfs.c
@@ -20,6 +20,7 @@
#include <asm/paca.h>
#include <asm/lppaca.h>
#include <asm/machdep.h>
+#include <asm/smp.h>
static DEFINE_PER_CPU(struct cpu, cpu_devices);
diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c
index d49c3613c8e..0d878e72fc4 100644
--- a/arch/ppc64/kernel/udbg.c
+++ b/arch/ppc64/kernel/udbg.c
@@ -10,12 +10,10 @@
*/
#include <stdarg.h>
-#define WANT_PPCDBG_TAB /* Only defined here */
#include <linux/config.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/console.h>
-#include <asm/ppcdebug.h>
#include <asm/processor.h>
void (*udbg_putc)(unsigned char c);
@@ -89,59 +87,6 @@ void udbg_printf(const char *fmt, ...)
va_end(args);
}
-/* PPCDBG stuff */
-
-u64 ppc64_debug_switch;
-
-/* Special print used by PPCDBG() macro */
-void udbg_ppcdbg(unsigned long debug_flags, const char *fmt, ...)
-{
- unsigned long active_debugs = debug_flags & ppc64_debug_switch;
-
- if (active_debugs) {
- va_list ap;
- unsigned char buf[UDBG_BUFSIZE];
- unsigned long i, len = 0;
-
- for (i=0; i < PPCDBG_NUM_FLAGS; i++) {
- if (((1U << i) & active_debugs) &&
- trace_names[i]) {
- len += strlen(trace_names[i]);
- udbg_puts(trace_names[i]);
- break;
- }
- }
-
- snprintf(buf, UDBG_BUFSIZE, " [%s]: ", current->comm);
- len += strlen(buf);
- udbg_puts(buf);
-
- while (len < 18) {
- udbg_puts(" ");
- len++;
- }
-
- va_start(ap, fmt);
- vsnprintf(buf, UDBG_BUFSIZE, fmt, ap);
- udbg_puts(buf);
- va_end(ap);
- }
-}
-
-unsigned long udbg_ifdebug(unsigned long flags)
-{
- return (flags & ppc64_debug_switch);
-}
-
-/*
- * Initialize the PPCDBG state. Called before relocation has been enabled.
- */
-void __init ppcdbg_initialize(void)
-{
- ppc64_debug_switch = PPC_DEBUG_DEFAULT; /* | PPCDBG_BUSWALK | */
- /* PPCDBG_PHBINIT | PPCDBG_MM | PPCDBG_MMINIT | PPCDBG_TCEINIT | PPCDBG_TCE */;
-}
-
/*
* Early boot console based on udbg
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 07:02:25 +0000