diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/Makefile b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/Makefile
index 9de6dc2f..20ef0708 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/Makefile
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/Makefile
@@ -1,4 +1,4 @@
-KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64
+KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64 onl-kernel-3.2-deb7-x86-64-all:amd64
 KMODULES := $(wildcard *.c)
 PLATFORM := x86-64-accton-as5712-54x
 ARCH := x86_64
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/x86-64-accton-as5712-54x-cpld.c b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/x86-64-accton-as5712-54x-cpld.c
index a947fca1..ad09168d 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/x86-64-accton-as5712-54x-cpld.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/modules/builds/x86-64-accton-as5712-54x-cpld.c
@@ -33,6 +33,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-mux.h>
 #include <linux/dmi.h>
+#include <linux/version.h>
 
 static struct dmi_system_id as5712_dmi_table[] = {
     {
@@ -266,7 +267,7 @@ static ssize_t show_cpld_version(struct device *dev, struct device_attribute *at
     len = sprintf(buf, "%d", i2c_smbus_read_byte_data(client, reg));
 
     return len;
-}	
+}
 
 static struct device_attribute ver = __ATTR(version, 0600, show_cpld_version, NULL);
 
@@ -313,9 +314,11 @@ static int accton_i2c_cpld_mux_probe(struct i2c_client *client,
         int idx;
 #endif
         data->virt_adaps[chan] = i2c_add_mux_adapter(adap, &client->dev, client, 0, chan,
-                                I2C_CLASS_HWMON | I2C_CLASS_SPD,
-                                accton_i2c_cpld_mux_select_chan,
-                                accton_i2c_cpld_mux_deselect_mux);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+                                                     I2C_CLASS_HWMON | I2C_CLASS_SPD,
+#endif
+                                                     accton_i2c_cpld_mux_select_chan,
+                                                     accton_i2c_cpld_mux_deselect_mux);
 
         if (data->virt_adaps[chan] == NULL) {
             ret = -ENODEV;
@@ -463,5 +466,3 @@ MODULE_LICENSE("GPL");
 
 module_init(accton_i2c_cpld_mux_init);
 module_exit(accton_i2c_cpld_mux_exit);
-
-
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/lib/x86-64-accton-as5712-54x-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/lib/x86-64-accton-as5712-54x-r0.yml
index e03fe786..fa4eea34 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/lib/x86-64-accton-as5712-54x-r0.yml
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/lib/x86-64-accton-as5712-54x-r0.yml
@@ -18,7 +18,7 @@ x86-64-accton-as5712-54x-r0:
       --stop=1
 
     kernel:
-      <<: *kernel-3-16
+      <<: *kernel-3-2
 
     args: >-
       nopat
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/python/x86_64_accton_as5712_54x_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/python/x86_64_accton_as5712_54x_r0/__init__.py
index 6e9d0aa0..f5999753 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/python/x86_64_accton_as5712_54x_r0/__init__.py
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5712-54x/platform-config/r0/src/python/x86_64_accton_as5712_54x_r0/__init__.py
@@ -9,9 +9,9 @@ class OnlPlatform_x86_64_accton_as5712_54x_r0(OnlPlatformAccton,
     SYS_OBJECT_ID=".5712.54"
 
     def baseconfig(self):
-        self.insmod('cpr_4011_4mxx', required=False)
+        self.insmod('cpr_4011_4mxx')
         for m in [ 'cpld', 'fan', 'psu', 'leds', 'sfp' ]:
-            self.insmod("x86-64-accton-as5712-54x-%s.ko" % m, required=False)
+            self.insmod("x86-64-accton-as5712-54x-%s.ko" % m)
 
         ########### initialize I2C bus 0 ###########
         # initialize CPLDs
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/Makefile b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/Makefile
index 46ebca16..5385dc37 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/Makefile
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/modules/builds/Makefile
@@ -1,4 +1,4 @@
-KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64
+KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64 onl-kernel-3.2-deb7-x86-64-all:amd64
 KMODULES := $(wildcard *.c)
 PLATFORM := x86-64-accton-as5812-54t
 ARCH := x86_64
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/lib/x86-64-accton-as5812-54t-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/lib/x86-64-accton-as5812-54t-r0.yml
index 62190b5a..0741e829 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/lib/x86-64-accton-as5812-54t-r0.yml
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/lib/x86-64-accton-as5812-54t-r0.yml
@@ -18,7 +18,7 @@ x86-64-accton-as5812-54t-r0:
       --stop=1
 
     kernel:
-      <<: *kernel-3-16
+      <<: *kernel-3-2
 
     args: >-
       nopat
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py
index c372a4e7..e5d139c9 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54t/platform-config/r0/src/python/x86_64_accton_as5812_54t_r0/__init__.py
@@ -10,10 +10,10 @@ class OnlPlatform_x86_64_accton_as5812_54t_r0(OnlPlatformAccton,
 
     def baseconfig(self):
         ########### initialize I2C bus 0 ###########
-        self.insmod("accton_i2c_cpld", required=False)
-        self.insmod("cpr_4011_4mxx", required=False)
+        self.insmod("accton_i2c_cpld")
+        self.insmod("cpr_4011_4mxx")
         for m in [ "sfp", "psu", "fan", "leds" ]:
-            self.insmod("x86-64-accton-as5812-54t-%s" % m, required=False)
+            self.insmod("x86-64-accton-as5812-54t-%s" % m)
 
         # initialize CPLDs
         self.new_i2c_device('accton_i2c_cpld', 0x60, 0)
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/Makefile b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/Makefile
index 9fc1159e..af7d8095 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/Makefile
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/Makefile
@@ -1,4 +1,4 @@
-KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64
+KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64 onl-kernel-3.2-deb7-x86-64-all:amd64
 KMODULES := $(wildcard *.c)
 PLATFORM := x86-64-accton-as5812-54x
 ARCH := x86_64
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/x86-64-accton-as5812-54x-cpld.c b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/x86-64-accton-as5812-54x-cpld.c
index 710c5202..14e1d860 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/x86-64-accton-as5812-54x-cpld.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/modules/builds/x86-64-accton-as5812-54x-cpld.c
@@ -34,6 +34,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-mux.h>
 #include <linux/dmi.h>
+#include <linux/version.h>
 
 static struct dmi_system_id as5812_54x_dmi_table[] = {
     {
@@ -228,7 +229,7 @@ static ssize_t show_cpld_version(struct device *dev, struct device_attribute *at
     len = sprintf(buf, "%d", i2c_smbus_read_byte_data(client, reg));
 
     return len;
-}	
+}
 
 static struct device_attribute ver = __ATTR(version, 0600, show_cpld_version, NULL);
 
@@ -262,9 +263,11 @@ static int accton_i2c_cpld_mux_probe(struct i2c_client *client,
     /* Now create an adapter for each channel */
     for (chan = 0; chan < chips[data->type].nchans; chan++) {
         data->virt_adaps[chan] = i2c_add_mux_adapter(adap, &client->dev, client, 0, chan,
-                                I2C_CLASS_HWMON | I2C_CLASS_SPD,
-                                accton_i2c_cpld_mux_select_chan,
-                                accton_i2c_cpld_mux_deselect_mux);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+                                                     I2C_CLASS_HWMON | I2C_CLASS_SPD,
+#endif
+                                                     accton_i2c_cpld_mux_select_chan,
+                                                     accton_i2c_cpld_mux_deselect_mux);
 
         if (data->virt_adaps[chan] == NULL) {
             ret = -ENODEV;
@@ -391,5 +394,3 @@ MODULE_LICENSE("GPL");
 
 module_init(accton_i2c_cpld_mux_init);
 module_exit(accton_i2c_cpld_mux_exit);
-
-
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/lib/x86-64-accton-as5812-54x-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/lib/x86-64-accton-as5812-54x-r0.yml
index 014340dc..d0f26744 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/lib/x86-64-accton-as5812-54x-r0.yml
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/lib/x86-64-accton-as5812-54x-r0.yml
@@ -18,7 +18,7 @@ x86-64-accton-as5812-54x-r0:
       --stop=1
 
     kernel:
-      <<: *kernel-3-16
+      <<: *kernel-3-2
 
     args: >-
       nopat
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/python/x86_64_accton_as5812_54x_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/python/x86_64_accton_as5812_54x_r0/__init__.py
index f6c28147..b71c2674 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/python/x86_64_accton_as5812_54x_r0/__init__.py
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5812-54x/platform-config/r0/src/python/x86_64_accton_as5812_54x_r0/__init__.py
@@ -9,9 +9,9 @@ class OnlPlatform_x86_64_accton_as5812_54x_r0(OnlPlatformAccton,
     SYS_OBJECT_ID=".5812.54.1"
 
     def baseconfig(self):
-        self.insmod('cpr_4011_4mxx', required=False)
+        self.insmod('cpr_4011_4mxx')
         for m in [ 'cpld', 'fan', 'psu', 'leds', 'sfp' ]:
-            self.insmod("x86-64-accton-as5812-54x-%s.ko" % m, required=False)
+            self.insmod("x86-64-accton-as5812-54x-%s.ko" % m)
 
         ########### initialize I2C bus 0 ###########
 
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/Makefile b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/Makefile
index 7a8c22ac..b1af96e3 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/Makefile
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/Makefile
@@ -1,4 +1,4 @@
-KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64
+KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64 onl-kernel-3.2-deb7-x86-64-all:amd64
 KMODULES := $(wildcard *.c)
 PLATFORM := x86-64-accton-as6712-32x
 ARCH := x86_64
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/x86-64-accton-as6712-32x-cpld.c b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/x86-64-accton-as6712-32x-cpld.c
index e37d06bc..d1c1892e 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/x86-64-accton-as6712-32x-cpld.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/modules/builds/x86-64-accton-as6712-32x-cpld.c
@@ -33,6 +33,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-mux.h>
 #include <linux/dmi.h>
+#include <linux/version.h>
 
 static struct dmi_system_id as6712_dmi_table[] = {
     {
@@ -132,7 +133,7 @@ static int accton_i2c_cpld_mux_reg_write(struct i2c_adapter *adap,
 		buf[1] = val;
 		msg.buf = buf;
 		ret = adap->algo->master_xfer(adap, &msg, 1);
-	} 
+	}
     else {
 		union i2c_smbus_data data;
 		ret = adap->algo->smbus_xfer(adap, client->addr,
@@ -157,7 +158,7 @@ static int accton_i2c_cpld_mux_reg_write(struct i2c_adapter *adap,
 		/* Retry automatically on arbitration loss */
 		orig_jiffies = jiffies;
 		for (res = 0, try = 0; try <= adap->retries; try++) {
-			res = adap->algo->smbus_xfer(adap, client->addr, flags, 
+			res = adap->algo->smbus_xfer(adap, client->addr, flags,
                                                      I2C_SMBUS_WRITE, 0x2,
                                                      I2C_SMBUS_BYTE_DATA, &data);
 			if (res != -EAGAIN)
@@ -196,21 +197,21 @@ static int accton_i2c_cpld_mux_deselect_mux(struct i2c_adapter *adap,
 
 	/* Deselect active channel */
 	data->last_chan = chips[data->type].deselectChan;
-    
+
 	return accton_i2c_cpld_mux_reg_write(adap, client, data->last_chan);
 }
 
 static void accton_i2c_cpld_add_client(struct i2c_client *client)
 {
     struct cpld_client_node *node = kzalloc(sizeof(struct cpld_client_node), GFP_KERNEL);
-    
+
     if (!node) {
         dev_dbg(&client->dev, "Can't allocate cpld_client_node (0x%x)\n", client->addr);
         return;
     }
-    
+
     node->client = client;
-	
+
 	mutex_lock(&list_lock);
     list_add(&node->list, &cpld_client_list);
 	mutex_unlock(&list_lock);
@@ -221,24 +222,24 @@ static void accton_i2c_cpld_remove_client(struct i2c_client *client)
     struct list_head        *list_node = NULL;
     struct cpld_client_node *cpld_node = NULL;
     int found = 0;
-	
+
 	mutex_lock(&list_lock);
 
     list_for_each(list_node, &cpld_client_list)
     {
         cpld_node = list_entry(list_node, struct cpld_client_node, list);
-        
+
         if (cpld_node->client == client) {
             found = 1;
             break;
         }
     }
-    
+
     if (found) {
         list_del(list_node);
         kfree(cpld_node);
     }
-	
+
 	mutex_unlock(&list_lock);
 }
 
@@ -252,7 +253,7 @@ static ssize_t show_cpld_version(struct device *dev, struct device_attribute *at
     len = sprintf(buf, "%d", i2c_smbus_read_byte_data(client, reg));
 
     return len;
-}	
+}
 
 static struct device_attribute ver = __ATTR(version, 0600, show_cpld_version, NULL);
 
@@ -294,17 +295,19 @@ static int accton_i2c_cpld_mux_probe(struct i2c_client *client,
     	data->last_chan = chips[data->type].deselectChan; /* force the first selection */
 
         /* Now create an adapter for each channel */
-        for (chan = 0; chan < chips[data->type].nchans; chan++) {        
+        for (chan = 0; chan < chips[data->type].nchans; chan++) {
             data->virt_adaps[chan] = i2c_add_mux_adapter(adap, &client->dev, client, 0, chan,
-                                I2C_CLASS_HWMON | I2C_CLASS_SPD,
-                                                            accton_i2c_cpld_mux_select_chan,
-                                                            accton_i2c_cpld_mux_deselect_mux);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+                                                         I2C_CLASS_HWMON | I2C_CLASS_SPD,
+#endif
+                                                         accton_i2c_cpld_mux_select_chan,
+                                                         accton_i2c_cpld_mux_deselect_mux);
 
             if (data->virt_adaps[chan] == NULL) {
                 ret = -ENODEV;
                 dev_err(&client->dev, "failed to register multiplexed adapter %d\n", chan);
                 goto virt_reg_failed;
-            }      
+            }
         }
 
         dev_info(&client->dev, "registered %d multiplexed busses for I2C mux %s\n",
@@ -338,14 +341,14 @@ static int accton_i2c_cpld_mux_remove(struct i2c_client *client)
 
     for (chan = 0; chan < chip->nchans; ++chan) {
         if (data->virt_adaps[chan]) {
-            i2c_del_mux_adapter(data->virt_adaps[chan]); 
+            i2c_del_mux_adapter(data->virt_adaps[chan]);
             data->virt_adaps[chan] = NULL;
         }
     }
 
     kfree(data);
     accton_i2c_cpld_remove_client(client);
-    
+
     return 0;
 }
 
@@ -354,19 +357,19 @@ int as6712_32x_i2c_cpld_read(unsigned short cpld_addr, u8 reg)
     struct list_head   *list_node = NULL;
     struct cpld_client_node *cpld_node = NULL;
     int ret = -EPERM;
-	
+
     mutex_lock(&list_lock);
 
     list_for_each(list_node, &cpld_client_list)
     {
         cpld_node = list_entry(list_node, struct cpld_client_node, list);
-        
+
         if (cpld_node->client->addr == cpld_addr) {
             ret = i2c_smbus_read_byte_data(cpld_node->client, reg);
 			break;
         }
     }
-	
+
 	mutex_unlock(&list_lock);
 
     return ret;
@@ -378,19 +381,19 @@ int as6712_32x_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value)
     struct list_head   *list_node = NULL;
     struct cpld_client_node *cpld_node = NULL;
     int ret = -EIO;
-	
+
 	mutex_lock(&list_lock);
 
     list_for_each(list_node, &cpld_client_list)
     {
         cpld_node = list_entry(list_node, struct cpld_client_node, list);
-        
+
         if (cpld_node->client->addr == cpld_addr) {
             ret = i2c_smbus_write_byte_data(cpld_node->client, reg, value);
 			break;
         }
     }
-	
+
 	mutex_unlock(&list_lock);
 
     return ret;
@@ -424,5 +427,3 @@ MODULE_LICENSE("GPL");
 
 module_init(accton_i2c_cpld_mux_init);
 module_exit(accton_i2c_cpld_mux_exit);
-
-
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/lib/x86-64-accton-as6712-32x-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/lib/x86-64-accton-as6712-32x-r0.yml
index f685f030..beb9db4c 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/lib/x86-64-accton-as6712-32x-r0.yml
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/lib/x86-64-accton-as6712-32x-r0.yml
@@ -18,7 +18,7 @@ x86-64-accton-as6712-32x-r0:
       --stop=1
 
     kernel:
-      <<: *kernel-3-16
+      <<: *kernel-3-2
 
     args: >-
       nopat
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/python/x86_64_accton_as6712_32x_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/python/x86_64_accton_as6712_32x_r0/__init__.py
index 9ac98c66..a27d74e5 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/python/x86_64_accton_as6712_32x_r0/__init__.py
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6712-32x/platform-config/r0/src/python/x86_64_accton_as6712_32x_r0/__init__.py
@@ -8,9 +8,9 @@ class OnlPlatform_x86_64_accton_as6712_32x_r0(OnlPlatformAccton,
     SYS_OBJECT_ID=".6712.32"
 
     def baseconfig(self):
-        self.insmod('cpr_4011_4mxx', required=False)
+        self.insmod('cpr_4011_4mxx')
         for m in [ 'cpld', 'fan', 'psu', 'leds', 'sfp' ]:
-            self.insmod("x86-64-accton-as6712-32x-%s.ko" % m, required=False)
+            self.insmod("x86-64-accton-as6712-32x-%s.ko" % m)
 
         ########### initialize I2C bus 0 ###########
         # initialize CPLD
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/Makefile b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/Makefile
index 81d692dd..0ee5e509 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/Makefile
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/Makefile
@@ -1,4 +1,4 @@
-KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64
+KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64 onl-kernel-3.2-deb7-x86-64-all:amd64
 KMODULES := $(wildcard *.c)
 PLATFORM := x86-64-accton-as6812-32x
 ARCH := x86_64
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/x86-64-accton-as6812-32x-cpld.c b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/x86-64-accton-as6812-32x-cpld.c
index dafa5e1b..6c146767 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/x86-64-accton-as6812-32x-cpld.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/modules/builds/x86-64-accton-as6812-32x-cpld.c
@@ -34,6 +34,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-mux.h>
 #include <linux/dmi.h>
+#include <linux/version.h>
 
 static struct dmi_system_id as6812_dmi_table[] = {
 	{
@@ -132,7 +133,7 @@ static int accton_i2c_cpld_mux_reg_write(struct i2c_adapter *adap,
 		/* Retry automatically on arbitration loss */
 		orig_jiffies = jiffies;
 		for (res = 0, try = 0; try <= adap->retries; try++) {
-			res = adap->algo->smbus_xfer(adap, client->addr, flags, 
+			res = adap->algo->smbus_xfer(adap, client->addr, flags,
 													 I2C_SMBUS_WRITE, 0x2,
 													 I2C_SMBUS_BYTE_DATA, &data);
 			if (res != -EAGAIN)
@@ -170,21 +171,21 @@ static int accton_i2c_cpld_mux_deselect_mux(struct i2c_adapter *adap,
 
 	/* Deselect active channel */
 	data->last_chan = chips[data->type].deselectChan;
-	
+
 	return accton_i2c_cpld_mux_reg_write(adap, client, data->last_chan);
 }
 
 static void accton_i2c_cpld_add_client(struct i2c_client *client)
 {
 	struct cpld_client_node *node = kzalloc(sizeof(struct cpld_client_node), GFP_KERNEL);
-	
+
 	if (!node) {
 		dev_dbg(&client->dev, "Can't allocate cpld_client_node (0x%x)\n", client->addr);
 		return;
 	}
-	
+
 	node->client = client;
-	
+
 	mutex_lock(&list_lock);
 	list_add(&node->list, &cpld_client_list);
 	mutex_unlock(&list_lock);
@@ -195,24 +196,24 @@ static void accton_i2c_cpld_remove_client(struct i2c_client *client)
 	struct list_head		*list_node = NULL;
 	struct cpld_client_node *cpld_node = NULL;
 	int found = 0;
-	
+
 	mutex_lock(&list_lock);
 
 	list_for_each(list_node, &cpld_client_list)
 	{
 		cpld_node = list_entry(list_node, struct cpld_client_node, list);
-		
+
 		if (cpld_node->client == client) {
 			found = 1;
 			break;
 		}
 	}
-	
+
 	if (found) {
 		list_del(list_node);
 		kfree(cpld_node);
 	}
-	
+
 	mutex_unlock(&list_lock);
 }
 
@@ -226,7 +227,7 @@ static ssize_t show_cpld_version(struct device *dev, struct device_attribute *at
 	len = sprintf(buf, "%d", i2c_smbus_read_byte_data(client, reg));
 
 	return len;
-}	
+}
 
 static struct device_attribute ver = __ATTR(version, 0600, show_cpld_version, NULL);
 
@@ -258,17 +259,19 @@ static int accton_i2c_cpld_mux_probe(struct i2c_client *client,
 		data->last_chan = chips[data->type].deselectChan; /* force the first selection */
 
 		/* Now create an adapter for each channel */
-		for (chan = 0; chan < chips[data->type].nchans; chan++) {		 
+		for (chan = 0; chan < chips[data->type].nchans; chan++) {
 			data->virt_adaps[chan] = i2c_add_mux_adapter(adap, &client->dev, client, 0, chan,
-                                I2C_CLASS_HWMON | I2C_CLASS_SPD,
-					accton_i2c_cpld_mux_select_chan,
-					accton_i2c_cpld_mux_deselect_mux);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+                                                                     I2C_CLASS_HWMON | I2C_CLASS_SPD,
+#endif
+                                                                     accton_i2c_cpld_mux_select_chan,
+                                                                     accton_i2c_cpld_mux_deselect_mux);
 
 			if (data->virt_adaps[chan] == NULL) {
 				ret = -ENODEV;
 				dev_err(&client->dev, "failed to register multiplexed adapter %d\n", chan);
 				goto virt_reg_failed;
-			}	   
+			}
 		}
 
 		dev_info(&client->dev, "registered %d multiplexed busses for I2C mux %s\n",
@@ -302,14 +305,14 @@ static int accton_i2c_cpld_mux_remove(struct i2c_client *client)
 
 	for (chan = 0; chan < chip->nchans; ++chan) {
 		if (data->virt_adaps[chan]) {
-			i2c_del_mux_adapter(data->virt_adaps[chan]); 
+			i2c_del_mux_adapter(data->virt_adaps[chan]);
 			data->virt_adaps[chan] = NULL;
 		}
 	}
 
 	kfree(data);
 	accton_i2c_cpld_remove_client(client);
-	
+
 	return 0;
 }
 
@@ -318,19 +321,19 @@ int as6812_32x_i2c_cpld_read(unsigned short cpld_addr, u8 reg)
 	struct list_head   *list_node = NULL;
 	struct cpld_client_node *cpld_node = NULL;
 	int ret = -EPERM;
-	
+
 	mutex_lock(&list_lock);
 
 	list_for_each(list_node, &cpld_client_list)
 	{
 		cpld_node = list_entry(list_node, struct cpld_client_node, list);
-		
+
 		if (cpld_node->client->addr == cpld_addr) {
 			ret = i2c_smbus_read_byte_data(cpld_node->client, reg);
 			break;
 		}
 	}
-	
+
 	mutex_unlock(&list_lock);
 
 	return ret;
@@ -342,19 +345,19 @@ int as6812_32x_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value)
 	struct list_head   *list_node = NULL;
 	struct cpld_client_node *cpld_node = NULL;
 	int ret = -EIO;
-	
+
 	mutex_lock(&list_lock);
 
 	list_for_each(list_node, &cpld_client_list)
 	{
 		cpld_node = list_entry(list_node, struct cpld_client_node, list);
-		
+
 		if (cpld_node->client->addr == cpld_addr) {
 			ret = i2c_smbus_write_byte_data(cpld_node->client, reg, value);
 			break;
 		}
 	}
-	
+
 	mutex_unlock(&list_lock);
 
 	return ret;
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/lib/x86-64-accton-as6812-32x-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/lib/x86-64-accton-as6812-32x-r0.yml
index 18dda3ba..97f6b35a 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/lib/x86-64-accton-as6812-32x-r0.yml
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/lib/x86-64-accton-as6812-32x-r0.yml
@@ -18,7 +18,7 @@ x86-64-accton-as6812-32x-r0:
       --stop=1
 
     kernel:
-      <<: *kernel-3-16
+      <<: *kernel-3-2
 
     args: >-
       nopat
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/python/x86_64_accton_as6812_32x_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/python/x86_64_accton_as6812_32x_r0/__init__.py
index 2dd65d5d..edc5c26a 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/python/x86_64_accton_as6812_32x_r0/__init__.py
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as6812-32x/platform-config/r0/src/python/x86_64_accton_as6812_32x_r0/__init__.py
@@ -8,10 +8,9 @@ class OnlPlatform_x86_64_accton_as6812_32x_r0(OnlPlatformAccton,
     SYS_OBJECT_ID=".6812.32"
 
     def baseconfig(self):
-
-        self.insmod('cpr_4011_4mxx', required=False)
+        self.insmod('cpr_4011_4mxx')
         for m in [ 'cpld', 'fan', 'psu', 'leds', 'sfp' ]:
-            self.insmod("x86-64-accton-as6812-32x-%s.ko" % m, required=False)
+            self.insmod("x86-64-accton-as6812-32x-%s.ko" % m)
 
         ########### initialize I2C bus 0 ###########
         # initialize CPLD
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/Makefile b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/Makefile
index 3be04999..35af35dc 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/Makefile
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/Makefile
@@ -1,4 +1,4 @@
-KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64
+KERNELS := onl-kernel-3.16-lts-x86-64-all:amd64 onl-kernel-3.2-deb7-x86-64-all:amd64
 KMODULES := $(wildcard *.c)
 PLATFORM := x86-64-accton-as7712-32x
 ARCH := x86_64
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-fan.c b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-fan.c
index dae9a9e7..74c577d4 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-fan.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-fan.c
@@ -43,6 +43,7 @@ extern int accton_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value);
  */
 static const u8 fan_reg[] = {
     0x0F,       /* fan 1-6 present status */
+    0x10,        /* fan 1-6 direction(0:B2F 1:F2B) */
     0x11,       /* fan PWM(for all fan) */
     0x12,       /* front fan 1 speed(rpm) */
     0x13,       /* front fan 2 speed(rpm) */
@@ -78,6 +79,7 @@ enum fan_id {
 
 enum sysfs_fan_attributes {
     FAN_PRESENT_REG,
+    FAN_DIRECTION_REG,
     FAN_DUTY_CYCLE_PERCENTAGE, /* Only one CPLD register to control duty cycle for all fans */
     FAN1_FRONT_SPEED_RPM,
     FAN2_FRONT_SPEED_RPM,
@@ -91,6 +93,12 @@ enum sysfs_fan_attributes {
     FAN4_REAR_SPEED_RPM,
     FAN5_REAR_SPEED_RPM,
     FAN6_REAR_SPEED_RPM,
+    FAN1_DIRECTION,
+    FAN2_DIRECTION,
+    FAN3_DIRECTION,
+    FAN4_DIRECTION,
+    FAN5_DIRECTION,
+    FAN6_DIRECTION,
     FAN1_PRESENT,
     FAN2_PRESENT,
     FAN3_PRESENT,
@@ -150,6 +158,13 @@ DECLARE_FAN_PRESENT_SENSOR_DEV_ATTR(3);
 DECLARE_FAN_PRESENT_SENSOR_DEV_ATTR(4);
 DECLARE_FAN_PRESENT_SENSOR_DEV_ATTR(5);
 DECLARE_FAN_PRESENT_SENSOR_DEV_ATTR(6);
+/* 6 fan direction attribute in this platform */
+DECLARE_FAN_DIRECTION_SENSOR_DEV_ATTR(1);
+DECLARE_FAN_DIRECTION_SENSOR_DEV_ATTR(2);
+DECLARE_FAN_DIRECTION_SENSOR_DEV_ATTR(3);
+DECLARE_FAN_DIRECTION_SENSOR_DEV_ATTR(4);
+DECLARE_FAN_DIRECTION_SENSOR_DEV_ATTR(5);
+DECLARE_FAN_DIRECTION_SENSOR_DEV_ATTR(6);
 /* 1 fan duty cycle attribute in this platform */
 DECLARE_FAN_DUTY_CYCLE_SENSOR_DEV_ATTR();
 
@@ -173,6 +188,12 @@ static struct attribute *as7712_32x_fan_attributes[] = {
     DECLARE_FAN_PRESENT_ATTR(4),
     DECLARE_FAN_PRESENT_ATTR(5),
     DECLARE_FAN_PRESENT_ATTR(6),
+    DECLARE_FAN_DIRECTION_ATTR(1),
+    DECLARE_FAN_DIRECTION_ATTR(2),
+    DECLARE_FAN_DIRECTION_ATTR(3),
+    DECLARE_FAN_DIRECTION_ATTR(4),
+    DECLARE_FAN_DIRECTION_ATTR(5),
+    DECLARE_FAN_DIRECTION_ATTR(6),
     DECLARE_FAN_DUTY_CYCLE_ATTR(),
     NULL
 };
@@ -209,6 +230,14 @@ static u32 reg_val_to_speed_rpm(u8 reg_val)
     return (u32)reg_val * FAN_REG_VAL_TO_SPEED_RPM_STEP;
 }
 
+static u8 reg_val_to_direction(u8 reg_val, enum fan_id id)
+{
+    u8 mask = (1 << id);
+
+    reg_val &= mask;
+
+    return reg_val ? 1 : 0;
+}
 static u8 reg_val_to_is_present(u8 reg_val, enum fan_id id)
 {
     u8 mask = (1 << id);
@@ -299,6 +328,16 @@ static ssize_t fan_show_value(struct device *dev, struct device_attribute *da,
             case FAN6_FAULT:
                 ret = sprintf(buf, "%d\n", is_fan_fault(data, attr->index - FAN1_FAULT));
                 break;
+            case FAN1_DIRECTION:
+            case FAN2_DIRECTION:
+            case FAN3_DIRECTION:
+            case FAN4_DIRECTION:
+            case FAN5_DIRECTION:
+            case FAN6_DIRECTION:
+                ret = sprintf(buf, "%d\n",
+                              reg_val_to_direction(data->reg_val[FAN_DIRECTION_REG],
+                              attr->index - FAN1_DIRECTION));
+                break;
             default:
                 break;
         }        
@@ -430,10 +469,10 @@ static struct i2c_driver as7712_32x_fan_driver = {
 
 static int __init as7712_32x_fan_init(void)
 {
-	extern int platform_accton_as7712_32x(void);
-	if (!platform_accton_as7712_32x()) {
-		return -ENODEV;
-	}
+    extern int platform_accton_as7712_32x(void);
+    if (!platform_accton_as7712_32x()) {
+        return -ENODEV;
+    }
 
     return i2c_add_driver(&as7712_32x_fan_driver);
 }
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-psu.c b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-psu.c
index 4de2db3a..65f7a16a 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-psu.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/modules/builds/x86-64-accton-as7712-32x-psu.c
@@ -34,14 +34,18 @@
 #include <linux/delay.h>
 #include <linux/dmi.h>
 
+#define MAX_MODEL_NAME          16
+
+#define DC12V_FAN_DIR_OFFSET    0x34
+#define DC12V_FAN_DIR_LEN       3
+
 static ssize_t show_status(struct device *dev, struct device_attribute *da, char *buf);
-static ssize_t show_model_name(struct device *dev, struct device_attribute *da, char *buf);
 static int as7712_32x_psu_read_block(struct i2c_client *client, u8 command, u8 *data,int data_len);
 extern int accton_i2c_cpld_read(unsigned short cpld_addr, u8 reg);
 
 /* Addresses scanned 
  */
-static const unsigned short normal_i2c[] = { 0x50, 0x53, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
 
 /* Each client has this additional data 
  */
@@ -52,27 +56,32 @@ struct as7712_32x_psu_data {
     unsigned long       last_updated;    /* In jiffies */
     u8  index;           /* PSU index */
     u8  status;          /* Status(present/power_good) register read from CPLD */
-    char model_name[9]; /* Model name, read from eeprom */
+    char model_name[MAX_MODEL_NAME]; /* Model name, read from eeprom */
+    char fan_dir[DC12V_FAN_DIR_LEN+1]; /* DC12V fan direction */
 };
 
+static ssize_t show_string(struct device *dev, struct device_attribute *da, char *buf);
 static struct as7712_32x_psu_data *as7712_32x_psu_update_device(struct device *dev);             
 
 enum as7712_32x_psu_sysfs_attributes {
     PSU_PRESENT,
     PSU_MODEL_NAME,
-    PSU_POWER_GOOD
+    PSU_POWER_GOOD,
+    PSU_FAN_DIR /* For DC12V only */
 };
 
 /* sysfs attributes for hwmon 
  */
-static SENSOR_DEVICE_ATTR(psu_present,    S_IRUGO, show_status,    NULL, PSU_PRESENT);
-static SENSOR_DEVICE_ATTR(psu_model_name, S_IRUGO, show_model_name,NULL, PSU_MODEL_NAME);
-static SENSOR_DEVICE_ATTR(psu_power_good, S_IRUGO, show_status,    NULL, PSU_POWER_GOOD);
+static SENSOR_DEVICE_ATTR(psu_present,    S_IRUGO, show_status, NULL, PSU_PRESENT);
+static SENSOR_DEVICE_ATTR(psu_model_name, S_IRUGO, show_string, NULL, PSU_MODEL_NAME);
+static SENSOR_DEVICE_ATTR(psu_power_good, S_IRUGO, show_status, NULL, PSU_POWER_GOOD);
+static SENSOR_DEVICE_ATTR(psu_fan_dir,       S_IRUGO, show_string, NULL, PSU_FAN_DIR);
 
 static struct attribute *as7712_32x_psu_attributes[] = {
     &sensor_dev_attr_psu_present.dev_attr.attr,
     &sensor_dev_attr_psu_model_name.dev_attr.attr,
     &sensor_dev_attr_psu_power_good.dev_attr.attr,
+    &sensor_dev_attr_psu_fan_dir.dev_attr.attr,
     NULL
 };
 
@@ -83,6 +92,10 @@ static ssize_t show_status(struct device *dev, struct device_attribute *da,
     struct as7712_32x_psu_data *data = as7712_32x_psu_update_device(dev);
     u8 status = 0;
 
+    if (!data->valid) {
+        return -EIO;
+    }
+
     if (attr->index == PSU_PRESENT) {
         status = !(data->status >> (1-data->index) & 0x1);
     }
@@ -93,12 +106,25 @@ static ssize_t show_status(struct device *dev, struct device_attribute *da,
     return sprintf(buf, "%d\n", status);
 }
 
-static ssize_t show_model_name(struct device *dev, struct device_attribute *da,
+static ssize_t show_string(struct device *dev, struct device_attribute *da,
              char *buf)
 {
+    struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
     struct as7712_32x_psu_data *data = as7712_32x_psu_update_device(dev);
-    
-    return sprintf(buf, "%s\n", data->model_name);
+    char *ptr = NULL;
+
+    if (!data->valid) {
+        return -EIO;
+    }
+
+    if (attr->index == PSU_MODEL_NAME) {
+        ptr = data->model_name;
+    }
+    else { /* PSU_FAN_DIR */
+        ptr = data->fan_dir;
+    }
+
+    return sprintf(buf, "%s\n", ptr);
 }
 
 static const struct attribute_group as7712_32x_psu_group = {
@@ -195,30 +221,83 @@ static int as7712_32x_psu_read_block(struct i2c_client *client, u8 command, u8 *
 {
     int result = 0;
     int retry_count = 5;
-	
-	while (retry_count) {
-	    retry_count--;
-	
-	    result = i2c_smbus_read_i2c_block_data(client, command, data_len, data);
-		
-		if (unlikely(result < 0)) {
-		    msleep(10);
-	        continue;
-		}
-		
-        if (unlikely(result != data_len)) {
-            result = -EIO;
-			msleep(10);
+    
+    while (retry_count) {
+        retry_count--;
+    
+        result = i2c_smbus_read_i2c_block_data(client, command, data_len, data);
+        
+        if (unlikely(result < 0)) {
+            msleep(10);
             continue;
         }
-		
-		result = 0;
-		break;
-	}
-	
+        
+        if (unlikely(result != data_len)) {
+            result = -EIO;
+            msleep(10);
+            continue;
+        }
+        
+        result = 0;
+        break;
+    }
+    
     return result;
 }
 
+enum psu_type {
+    PSU_TYPE_AC_110V,
+    PSU_TYPE_DC_48V,
+    PSU_TYPE_DC_12V
+};
+
+struct model_name_info {
+    enum psu_type type;
+    u8 offset;
+    u8 length;
+    char* model_name;
+};
+
+struct model_name_info models[] = {
+{PSU_TYPE_AC_110V, 0x20, 8,  "YM-2651Y"},
+{PSU_TYPE_DC_48V,  0x20, 8,  "YM-2651V"},
+{PSU_TYPE_DC_12V,  0x00, 11, "PSU-12V-750"},
+};
+
+static int as7712_32x_psu_model_name_get(struct device *dev)
+{
+    struct i2c_client *client = to_i2c_client(dev);
+    struct as7712_32x_psu_data *data = i2c_get_clientdata(client);
+    int i, status;
+
+    for (i = 0; i < ARRAY_SIZE(models); i++) {
+        memset(data->model_name, 0, sizeof(data->model_name));
+
+        status = as7712_32x_psu_read_block(client, models[i].offset,
+                                           data->model_name, models[i].length);
+        if (status < 0) {
+            data->model_name[0] = '\0';
+            dev_dbg(&client->dev, "unable to read model name from (0x%x) offset(0x%x)\n", 
+                                  client->addr, models[i].offset);
+            return status;
+        }
+        else {
+            data->model_name[models[i].length] = '\0';
+        }
+
+        /* Determine if the model name is known, if not, read next index
+         */
+        if (strncmp(data->model_name, models[i].model_name, models[i].length) == 0) {
+            return 0;
+        }
+        else {
+            data->model_name[0] = '\0';
+        }
+    }
+
+    return -ENODATA;
+}
+
 static struct as7712_32x_psu_data *as7712_32x_psu_update_device(struct device *dev)
 {
     struct i2c_client *client = to_i2c_client(dev);
@@ -229,8 +308,9 @@ static struct as7712_32x_psu_data *as7712_32x_psu_update_device(struct device *d
     if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
         || !data->valid) {
         int status;
-		int power_good = 0;
+        int power_good = 0;
 
+        data->valid = 0;
         dev_dbg(&client->dev, "Starting as7712_32x update\n");
 
         /* Read psu status */
@@ -238,25 +318,35 @@ static struct as7712_32x_psu_data *as7712_32x_psu_update_device(struct device *d
         
         if (status < 0) {
             dev_dbg(&client->dev, "cpld reg 0x60 err %d\n", status);
+            goto exit;
         }
         else {
             data->status = status;
         }
-		
+        
         /* Read model name */
         memset(data->model_name, 0, sizeof(data->model_name));
+        memset(data->fan_dir, 0, sizeof(data->fan_dir));
         power_good = (data->status >> (3-data->index) & 0x1);
-		
-        if (power_good) {
-            status = as7712_32x_psu_read_block(client, 0x20, data->model_name, 
-                                               ARRAY_SIZE(data->model_name)-1);
 
-            if (status < 0) {
-                data->model_name[0] = '\0';
-                dev_dbg(&client->dev, "unable to read model name from (0x%x)\n", client->addr);
+        if (power_good) {
+            if (as7712_32x_psu_model_name_get(dev) < 0) {
+                goto exit;
             }
-            else {
-                data->model_name[ARRAY_SIZE(data->model_name)-1] = '\0';
+
+            if (strncmp(data->model_name, 
+                        models[PSU_TYPE_DC_12V].model_name,
+                        models[PSU_TYPE_DC_12V].length) == 0) {
+                /* Read fan direction */
+                status = as7712_32x_psu_read_block(client, DC12V_FAN_DIR_OFFSET, 
+                                                   data->fan_dir, DC12V_FAN_DIR_LEN);
+
+                if (status < 0) {
+                    data->fan_dir[0] = '\0';
+                    dev_dbg(&client->dev, "unable to read fan direction from (0x%x) offset(0x%x)\n", 
+                                          client->addr, DC12V_FAN_DIR_OFFSET);
+                    goto exit;
+                }
             }
         }
         
@@ -264,6 +354,7 @@ static struct as7712_32x_psu_data *as7712_32x_psu_update_device(struct device *d
         data->valid = 1;
     }
 
+exit:
     mutex_unlock(&data->update_lock);
 
     return data;
@@ -271,10 +362,10 @@ static struct as7712_32x_psu_data *as7712_32x_psu_update_device(struct device *d
 
 static int __init as7712_32x_psu_init(void)
 {
-	extern int platform_accton_as7712_32x(void);
-	if (!platform_accton_as7712_32x()) {
-		return -ENODEV;
-	}
+    extern int platform_accton_as7712_32x(void);
+    if (!platform_accton_as7712_32x()) {
+        return -ENODEV;
+    }
 
     return i2c_add_driver(&as7712_32x_psu_driver);
 }
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/x86-64-accton-as7712-32x-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/x86-64-accton-as7712-32x-r0.yml
index 1aef0594..2352f103 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/x86-64-accton-as7712-32x-r0.yml
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/x86-64-accton-as7712-32x-r0.yml
@@ -18,7 +18,7 @@ x86-64-accton-as7712-32x-r0:
       --stop=1
 
     kernel:
-      <<: *kernel-3-16
+      <<: *kernel-3-2
 
     args: >-
       nopat
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/python/x86_64_accton_as7712_32x_r0/__init__.py b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/python/x86_64_accton_as7712_32x_r0/__init__.py
index 4040d2a7..e460484f 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/python/x86_64_accton_as7712_32x_r0/__init__.py
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/python/x86_64_accton_as7712_32x_r0/__init__.py
@@ -11,7 +11,7 @@ class OnlPlatform_x86_64_accton_as7712_32x_r0(OnlPlatformAccton,
         self.insmod('ym2651y')
         self.insmod('accton_i2c_cpld')
         for m in [ 'fan', 'psu', 'leds', 'sfp' ]:
-            self.insmod("x86-64-accton-as7712-32x-%s.ko" % m, required=False)
+            self.insmod("x86-64-accton-as7712-32x-%s.ko" % m)
 
         ########### initialize I2C bus 0 ###########
         self.new_i2c_devices([