From b9c4dadc11e5ddd956d683b9fc97db69598c7c68 Mon Sep 17 00:00:00 2001
From: Imre Kaloz <kaloz@openwrt.org>
Date: Tue, 31 Mar 2015 19:12:27 +0000
Subject: [PATCH] mvebu: deal with the new path in the fan control script for
 Linux 4.0+

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 45195
---
 target/linux/mvebu/base-files/sbin/fan_ctrl.sh | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/target/linux/mvebu/base-files/sbin/fan_ctrl.sh b/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
index f7f4e0598d..06e462119d 100755
--- a/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
+++ b/target/linux/mvebu/base-files/sbin/fan_ctrl.sh
@@ -11,10 +11,18 @@ DDR_HIGH=75
 WIFI_LOW=100
 WIFI_HIGH=115
 
-if [ "$CPU_TEMP" -ge "$CPU_HIGH" -o "$DDR_TEMP" -ge "$DDR_HIGH" -o "$WIFI_TEMP" -ge "$WIFI_HIGH" ];then
-	echo "255" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
-elif [ "$CPU_TEMP" -ge "$CPU_LOW" -o "$DDR_TEMP" -ge "$DDR_LOW" -o "$WIFI_TEMP" -ge "$WIFI_LOW" ];then
-	echo "100" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+if [ -d /sys/devices/pwm_fan ];then
+	FAN_CTRL=/sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+elif [ -d /sys/devices/platform/pwm_fan ];then
+	FAN_CTRL=/sys/devices/platform/pwm_fan/hwmon/hwmon0/pwm1
 else
-	echo "0" > /sys/devices/pwm_fan/hwmon/hwmon0/pwm1
+	exit 0
+fi
+
+if [ "$CPU_TEMP" -ge "$CPU_HIGH" -o "$DDR_TEMP" -ge "$DDR_HIGH" -o "$WIFI_TEMP" -ge "$WIFI_HIGH" ];then
+	echo "255" > $FAN_CTRL
+elif [ "$CPU_TEMP" -ge "$CPU_LOW" -o "$DDR_TEMP" -ge "$DDR_LOW" -o "$WIFI_TEMP" -ge "$WIFI_LOW" ];then
+	echo "100" > $FAN_CTRL
+else
+	echo "0" > $FAN_CTRL
 fi