From b70f4e19be985fe8ab969771a9b15742fe5b9c88 Mon Sep 17 00:00:00 2001
From: Guido Guenther <agx@sigxcpu.org>
Date: Mon, 18 Oct 2004 09:04:03 -0700
Subject: [PATCH] [PATCH] Mac swsusp driver fixes

Allow swsusp work with macintosh's own thermal sensor drivers enabled.

Contributions from Nathan Hand <nathanh@manu.com.au>

Signed-Of-By: Guido Guenther <agx@sigcpu.org>

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/macintosh/therm_adt746x.c | 7 +++++--
 drivers/macintosh/therm_pm72.c    | 6 ++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 8feba38461a25..fce84d29b799b 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/smp_lock.h>
 #include <linux/wait.h>
+#include <linux/suspend.h>
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
@@ -236,8 +237,10 @@ static int monitor_task(void *arg)
 #ifdef DEBUG
 	int mfan_speed;
 #endif
-	while(!kthread_should_stop())
-	{
+	while(!kthread_should_stop()) {
+		if (current->flags & PF_FREEZE)
+			refrigerator(PF_FREEZE);
+
 		msleep_interruptible(2000);
 
 		/* Check status */
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 32333f27d824d..d25e45312c4ee 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -88,6 +88,7 @@
 #include <linux/spinlock.h>
 #include <linux/smp_lock.h>
 #include <linux/wait.h>
+#include <linux/suspend.h>
 #include <linux/reboot.h>
 #include <linux/kmod.h>
 #include <linux/i2c.h>
@@ -1044,6 +1045,11 @@ static int main_control_loop(void *x)
 	while (state == state_attached) {
 		unsigned long elapsed, start;
 
+		if (current->flags & PF_FREEZE) {
+			printk(KERN_INFO "therm_pm72: freezing thermostat\n");
+			refrigerator(PF_FREEZE);
+		}
+
 		start = jiffies;
 
 		down(&driver_lock);
-- 
2.53.0