4 files changed, 20 insertions, 36 deletions
diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c
index 0632e2a849c..58f5cd76c8c 100644
--- a/arch/mips/kernel/stacktrace.c
+++ b/arch/mips/kernel/stacktrace.c
@@ -32,7 +32,8 @@ static void save_raw_context_stack(struct stack_trace *trace,
 	}
 }
 
-static void save_context_stack(struct stack_trace *trace, struct pt_regs *regs)
+static void save_context_stack(struct stack_trace *trace,
+	struct task_struct *tsk, struct pt_regs *regs)
 {
 	unsigned long sp = regs->regs[29];
 #ifdef CONFIG_KALLSYMS
@@ -41,7 +42,7 @@ static void save_context_stack(struct stack_trace *trace, struct pt_regs *regs)
 
 	if (raw_show_trace || !__kernel_text_address(pc)) {
 		unsigned long stack_page =
-			(unsigned long)task_stack_page(current);
+			(unsigned long)task_stack_page(tsk);
 		if (stack_page && sp >= stack_page &&
 		    sp <= stack_page + THREAD_SIZE - 32)
 			save_raw_context_stack(trace, sp);
@@ -54,7 +55,7 @@ static void save_context_stack(struct stack_trace *trace, struct pt_regs *regs)
 			trace->entries[trace->nr_entries++] = pc;
 		if (trace->nr_entries >= trace->max_entries)
 			break;
-		pc = unwind_stack(current, &sp, pc, &ra);
+		pc = unwind_stack(tsk, &sp, pc, &ra);
 	} while (pc);
 #else
 	save_raw_context_stack(trace, sp);
@@ -66,12 +67,23 @@ static void save_context_stack(struct stack_trace *trace, struct pt_regs *regs)
  */
 void save_stack_trace(struct stack_trace *trace)
 {
+	save_stack_trace_tsk(current, trace);
+}
+EXPORT_SYMBOL_GPL(save_stack_trace);
+
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
 	struct pt_regs dummyregs;
 	struct pt_regs *regs = &dummyregs;
 
 	WARN_ON(trace->nr_entries || !trace->max_entries);
 
-	prepare_frametrace(regs);
-	save_context_stack(trace, regs);
+	if (tsk != current) {
+		regs->regs[29] = tsk->thread.reg29;
+		regs->regs[31] = 0;
+		regs->cp0_epc = tsk->thread.reg31;
+	} else
+		prepare_frametrace(regs);
+	save_context_stack(trace, tsk, regs);
 }
-EXPORT_SYMBOL_GPL(save_stack_trace);
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index f97ab146101..dda6f205866 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -146,12 +146,6 @@ int __devinit pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 	return 0;
 }
 
-/* Most MIPS systems have straight-forward swizzling needs.  */
-static inline u8 bridge_swizzle(u8 pin, u8 slot)
-{
-	return (((pin - 1) + slot) % 4) + 1;
-}
-
 static inline struct pci_dev *bridge_root_dev(struct pci_dev *dev)
 {
 	while (dev->bus->parent) {
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 62cae740e25..b0eb9e75c68 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -149,28 +149,6 @@ out:
 	       "Skipping PCI bus scan due to resource conflict\n");
 }
 
-/* Most MIPS systems have straight-forward swizzling needs.  */
-
-static inline u8 bridge_swizzle(u8 pin, u8 slot)
-{
-	return (((pin - 1) + slot) % 4) + 1;
-}
-
-static u8 __init common_swizzle(struct pci_dev *dev, u8 *pinp)
-{
-	u8 pin = *pinp;
-
-	while (dev->bus->parent) {
-		pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
-		/* Move up the chain of bridges. */
-		dev = dev->bus->self;
-        }
-	*pinp = pin;
-
-	/* The slot is the slot of the last bridge. */
-	return PCI_SLOT(dev->devfn);
-}
-
 static int __init pcibios_init(void)
 {
 	struct pci_controller *hose;
@@ -179,7 +157,7 @@ static int __init pcibios_init(void)
 	for (hose = hose_head; hose; hose = hose->next)
 		pcibios_scanbus(hose);
 
-	pci_fixup_irqs(common_swizzle, pcibios_map_irq);
+	pci_fixup_irqs(pci_common_swizzle, pcibios_map_irq);
 
 	pci_initialized = 1;
 
diff --git a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c b/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c
index 97862f45496..caf5e9a0acc 100644
--- a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c
+++ b/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c
@@ -148,7 +148,7 @@ int read_eeprom(char *buffer, int eeprom_size, int size)
 	send_byte(W_HEADER);
 	recv_ack();
 
-	/* EEPROM with size of more then 2K need two byte addressing */
+	/* EEPROM with size of more than 2K need two byte addressing */
 	if (eeprom_size > 2048) {
 		send_byte(0x00);
 		recv_ack();