From 6bbbc30ce6b0ae428575c8af7c2a6c342c534e19 Mon Sep 17 00:00:00 2001
From: Richard Kuo <rkuo@codeaurora.org>
Date: Tue, 15 Nov 2011 16:58:11 -0600
Subject: Hexagon: misc compile warning/error cleanup due to missing headers

Fixed warnings/errors for EXPORT_SYMBOL, linux_binprm, elf related
defines

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c
index 3730221..0f2367c 100644
--- a/arch/hexagon/kernel/dma.c
+++ b/arch/hexagon/kernel/dma.c
@@ -22,6 +22,7 @@
 #include <linux/bootmem.h>
 #include <linux/genalloc.h>
 #include <asm/dma-mapping.h>
+#include <linux/module.h>
 
 struct dma_map_ops *dma_ops;
 EXPORT_SYMBOL(dma_ops);
diff --git a/arch/hexagon/kernel/ptrace.c b/arch/hexagon/kernel/ptrace.c
index 32342de..96c3b2c 100644
--- a/arch/hexagon/kernel/ptrace.c
+++ b/arch/hexagon/kernel/ptrace.c
@@ -28,6 +28,7 @@
 #include <linux/ptrace.h>
 #include <linux/regset.h>
 #include <linux/user.h>
+#include <linux/elf.h>
 
 #include <asm/user.h>
 
diff --git a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c
index 6bee15c..5d9b33b 100644
--- a/arch/hexagon/kernel/time.c
+++ b/arch/hexagon/kernel/time.c
@@ -28,6 +28,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
+#include <linux/module.h>
 
 #include <asm/timer-regs.h>
 #include <asm/hexagon_vm.h>
diff --git a/arch/hexagon/kernel/vdso.c b/arch/hexagon/kernel/vdso.c
index f212a45..5d39f42 100644
--- a/arch/hexagon/kernel/vdso.c
+++ b/arch/hexagon/kernel/vdso.c
@@ -21,6 +21,7 @@
 #include <linux/err.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
+#include <linux/binfmts.h>
 
 #include <asm/vdso.h>
 
-- 
cgit v0.10.2


From e8e42a5cff0704e83151455307a9b0d78fb43b93 Mon Sep 17 00:00:00 2001
From: Richard Kuo <rkuo@codeaurora.org>
Date: Wed, 7 Mar 2012 15:27:23 -0600
Subject: hexagon:  use renamed tick_nohz_idle_* functions

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c
index 18c4f0b..ff02821 100644
--- a/arch/hexagon/kernel/process.c
+++ b/arch/hexagon/kernel/process.c
@@ -1,7 +1,7 @@
 /*
  * Process creation support for Hexagon
  *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -88,7 +88,7 @@ void (*idle_sleep)(void) = default_idle;
 void cpu_idle(void)
 {
 	while (1) {
-		tick_nohz_stop_sched_tick(1);
+		tick_nohz_idle_enter();
 		local_irq_disable();
 		while (!need_resched()) {
 			idle_sleep();
@@ -97,7 +97,7 @@ void cpu_idle(void)
 			local_irq_disable();
 		}
 		local_irq_enable();
-		tick_nohz_restart_sched_tick();
+		tick_nohz_idle_exit();
 		schedule();
 	}
 }
-- 
cgit v0.10.2


From 57f27cca7ab59cec05adc85cef97e9b4f7d28d78 Mon Sep 17 00:00:00 2001
From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Date: Thu, 22 Mar 2012 16:58:25 +0530
Subject: hexagon/CPU hotplug: Add missing call to notify_cpu_starting()

The scheduler depends on receiving the CPU_STARTING notification, without
which we end up into a lot of trouble. So add the missing call to
notify_cpu_starting() in the bringup code.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c
index 9b44a9e..0672463 100644
--- a/arch/hexagon/kernel/smp.c
+++ b/arch/hexagon/kernel/smp.c
@@ -177,7 +177,12 @@ void __cpuinit start_secondary(void)
 
 	printk(KERN_INFO "%s cpu %d\n", __func__, current_thread_info()->cpu);
 
+	notify_cpu_starting(cpu);
+
+	ipi_call_lock();
 	set_cpu_online(cpu, true);
+	ipi_call_unlock();
+
 	local_irq_enable();
 
 	cpu_idle();
-- 
cgit v0.10.2


From e00574b7f3181c5277df819e960d5af205e0e87a Mon Sep 17 00:00:00 2001
From: Richard Kuo <rkuo@codeaurora.org>
Date: Thu, 12 Apr 2012 15:57:33 -0500
Subject: hexagon: add missing cpu.h include

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c
index 0672463..1298141 100644
--- a/arch/hexagon/kernel/smp.c
+++ b/arch/hexagon/kernel/smp.c
@@ -1,7 +1,7 @@
 /*
  * SMP support for Hexagon
  *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -28,6 +28,7 @@
 #include <linux/sched.h>
 #include <linux/smp.h>
 #include <linux/spinlock.h>
+#include <linux/cpu.h>
 
 #include <asm/time.h>    /*  timer_interrupt  */
 #include <asm/hexagon_vm.h>
-- 
cgit v0.10.2