3 files changed, 14 insertions, 9 deletions

diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c
index 2e2a5923d4c2..a71e245801ee 100644
--- a/drivers/misc/isl29003.c
+++ b/drivers/misc/isl29003.c
@@ -64,6 +64,7 @@ struct isl29003_data {
         struct i2c_client *client;
         struct mutex lock;
         u8 reg_cache[ISL29003_NUM_CACHABLE_REGS];
+        u8 power_state_before_suspend;
 };
 
 static int gain_range[] = {
@@ -411,6 +412,9 @@ static int __devexit isl29003_remove(struct i2c_client *client)
 #ifdef CONFIG_PM
 static int isl29003_suspend(struct i2c_client *client, pm_message_t mesg)
 {
+        struct isl29003_data *data = i2c_get_clientdata(client);
+
+        data->power_state_before_suspend = isl29003_get_power_state(client);
         return isl29003_set_power_state(client, 0);
 }
 
@@ -421,10 +425,11 @@ static int isl29003_resume(struct i2c_client *client)
 
         /* restore registers from cache */
         for (i = 0; i < ARRAY_SIZE(data->reg_cache); i++)
-                if (!i2c_smbus_write_byte_data(client, i, data->reg_cache[i]))
+                if (i2c_smbus_write_byte_data(client, i, data->reg_cache[i]))
                         return -EIO;
 
-        return 0;
+        return isl29003_set_power_state(client,
+                data->power_state_before_suspend);
 }
 
 #else
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 3e6e42d2f01b..bbefe77c67a9 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -375,7 +375,7 @@ static int __init gru_init(void)
         void *gru_start_vaddr;
 
         if (!is_uv_system())
-                return -ENODEV;
+                return 0;
 
 #if defined CONFIG_IA64
         gru_start_paddr = 0xd000000000UL; /* ZZZZZZZZZZZZZZZZZZZ fixme */
diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index 16f8dcab2da4..7896849b16dc 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -248,19 +248,19 @@ xp_init(void)
         enum xp_retval ret;
         int ch_number;
 
+        /* initialize the connection registration mutex */
+        for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++)
+                mutex_init(&xpc_registrations[ch_number].mutex);
+
         if (is_shub())
                 ret = xp_init_sn2();
         else if (is_uv())
                 ret = xp_init_uv();
         else
-                ret = xpUnsupported;
+                ret = 0;
 
         if (ret != xpSuccess)
-                return -ENODEV;
-
-        /* initialize the connection registration mutex */
-        for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++)
-                mutex_init(&xpc_registrations[ch_number].mutex);
+                return ret;
 
         return 0;
 }