7 files changed, 18 insertions, 53 deletions

diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index f0cb5c26c81c..494b63b72dd7 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -10,6 +10,7 @@ CFLAGS_REMOVE_early_printk.o = -pg
 CFLAGS_REMOVE_selfmod.o = -pg
 CFLAGS_REMOVE_heartbeat.o = -pg
 CFLAGS_REMOVE_ftrace.o = -pg
+CFLAGS_REMOVE_process.o = -pg
 endif
 
 extra-y := head.o vmlinux.lds
diff --git a/arch/microblaze/kernel/cpu/Makefile b/arch/microblaze/kernel/cpu/Makefile
index 59cc7bceaf8c..fceed4edea41 100644
--- a/arch/microblaze/kernel/cpu/Makefile
+++ b/arch/microblaze/kernel/cpu/Makefile
@@ -6,7 +6,7 @@ ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_cache.o = -pg
 endif
 
-EXTRA_CFLAGS += -DCPU_MAJOR=$(CPU_MAJOR) -DCPU_MINOR=$(CPU_MINOR) \
+ccflags-y := -DCPU_MAJOR=$(CPU_MAJOR) -DCPU_MINOR=$(CPU_MINOR) \
 		-DCPU_REV=$(CPU_REV)
 
 obj-y += cache.o cpuinfo.o cpuinfo-pvr-full.o cpuinfo-static.o mb.o pvr.o
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index cf0afd90a2c0..4b7d8a3f4aef 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -129,7 +129,7 @@ do {									\
  * to use for simple wdc or wic.
  *
  * start address is cache aligned
- * end address is not aligned, if end is aligned then I have to substract
+ * end address is not aligned, if end is aligned then I have to subtract
  * cacheline length because I can't flush/invalidate the next cacheline.
  * If is not, I align it because I will flush/invalidate whole line.
  */
diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c
index 515feb404555..357d56abe24a 100644
--- a/arch/microblaze/kernel/ftrace.c
+++ b/arch/microblaze/kernel/ftrace.c
@@ -51,6 +51,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
 			: "r" (parent), "r" (return_hooker)
 	);
 
+	flush_dcache_range((u32)parent, (u32)parent + 4);
+	flush_icache_range((u32)parent, (u32)parent + 4);
+
 	if (unlikely(faulted)) {
 		ftrace_graph_stop();
 		WARN_ON(1);
@@ -95,6 +98,9 @@ static int ftrace_modify_code(unsigned long addr, unsigned int value)
 	if (unlikely(faulted))
 		return -EFAULT;
 
+	flush_dcache_range(addr, addr + 4);
+	flush_icache_range(addr, addr + 4);
+
 	return 0;
 }
 
@@ -195,8 +201,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
 	ret += ftrace_modify_code((unsigned long)&ftrace_caller,
 				  MICROBLAZE_NOP);
 
-	/* All changes are done - lets do caches consistent */
-	flush_icache();
 	return ret;
 }
 
@@ -210,7 +214,6 @@ int ftrace_enable_ftrace_graph_caller(void)
 
 	old_jump = *(unsigned int *)ip; /* save jump over instruction */
 	ret = ftrace_modify_code(ip, MICROBLAZE_NOP);
-	flush_icache();
 
 	pr_debug("%s: Replace instruction: 0x%x\n", __func__, old_jump);
 	return ret;
@@ -222,7 +225,6 @@ int ftrace_disable_ftrace_graph_caller(void)
 	unsigned long ip = (unsigned long)(&ftrace_call_graph);
 
 	ret = ftrace_modify_code(ip, old_jump);
-	flush_icache();
 
 	pr_debug("%s\n", __func__);
 	return ret;
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index e4661285118e..c88f066f41bd 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -50,7 +50,7 @@ static void intc_enable_or_unmask(struct irq_data *d)
 	 * ack function since the handle_level_irq function
 	 * acks the irq before calling the interrupt handler
 	 */
-	if (irq_to_desc(d->irq)->status & IRQ_LEVEL)
+	if (irqd_is_level_type(d))
 		out_be32(INTC_BASE + IAR, mask);
 }
 
@@ -157,12 +157,12 @@ void __init init_IRQ(void)
 
 	for (i = 0; i < nr_irq; ++i) {
 		if (intr_type & (0x00000001 << i)) {
-			set_irq_chip_and_handler_name(i, &intc_dev,
-				handle_edge_irq, intc_dev.name);
+			irq_set_chip_and_handler_name(i, &intc_dev,
+				handle_edge_irq, "edge");
 			irq_clear_status_flags(i, IRQ_LEVEL);
 		} else {
-			set_irq_chip_and_handler_name(i, &intc_dev,
-				handle_level_irq, intc_dev.name);
+			irq_set_chip_and_handler_name(i, &intc_dev,
+				handle_level_irq, "level");
 			irq_set_status_flags(i, IRQ_LEVEL);
 		}
 	}
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index 098822413729..ce7ac8435d5c 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -47,48 +47,6 @@ next_irq:
 	trace_hardirqs_on();
 }
 
-int show_interrupts(struct seq_file *p, void *v)
-{
-	int i = *(loff_t *) v, j;
-	struct irq_desc *desc;
-	struct irqaction *action;
-	unsigned long flags;
-
-	if (i == 0) {
-		seq_printf(p, "		");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%-8d", j);
-		seq_putc(p, '\n');
-	}
-
-	if (i < nr_irq) {
-		desc = irq_to_desc(i);
-		raw_spin_lock_irqsave(&desc->lock, flags);
-		action = desc->action;
-		if (!action)
-			goto skip;
-		seq_printf(p, "%3d: ", i);
-#ifndef CONFIG_SMP
-		seq_printf(p, "%10u ", kstat_irqs(i));
-#else
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
-#endif
-		seq_printf(p, " %8s", desc->status &
-					IRQ_LEVEL ? "level" : "edge");
-		seq_printf(p, " %8s", desc->irq_data.chip->name);
-		seq_printf(p, "  %s", action->name);
-
-		for (action = action->next; action; action = action->next)
-			seq_printf(p, ", %s", action->name);
-
-		seq_putc(p, '\n');
-skip:
-		raw_spin_unlock_irqrestore(&desc->lock, flags);
-	}
-	return 0;
-}
-
 /* MS: There is no any advance mapping mechanism. We are using simple 32bit
   intc without any cascades or any connection that's why mapping is 1:1 */
 unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq)
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index e88a930fd1e3..85cea81d1ca1 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -375,3 +375,7 @@ ENTRY(sys_call_table)
 	.long sys_fanotify_init
 	.long sys_fanotify_mark
 	.long sys_prlimit64	/* 370 */
+	.long sys_name_to_handle_at
+	.long sys_open_by_handle_at
+	.long sys_clock_adjtime
+	.long sys_syncfs