4 files changed, 21 insertions, 9 deletions

diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index f7b90661e321..e068a76a5f6f 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -66,14 +66,19 @@ EXPORT_SYMBOL(ssc_request);
 
 void ssc_free(struct ssc_device *ssc)
 {
+        bool disable_clk = true;
+
         spin_lock(&user_lock);
-        if (ssc->user) {
+        if (ssc->user)
                 ssc->user--;
-                clk_disable_unprepare(ssc->clk);
-        } else {
+        else {
+                disable_clk = false;
                 dev_dbg(&ssc->pdev->dev, "device already free\n");
         }
         spin_unlock(&user_lock);
+
+        if (disable_clk)
+                clk_disable_unprepare(ssc->clk);
 }
 EXPORT_SYMBOL(ssc_free);
 
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index f9296abcf02a..6127ab64bb39 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -167,7 +167,7 @@ int mei_hbm_start_req(struct mei_device *dev)
 
         dev->hbm_state = MEI_HBM_IDLE;
         if (mei_write_message(dev, mei_hdr, dev->wr_msg.data)) {
-                dev_err(&dev->pdev->dev, "version message writet failed\n");
+                dev_err(&dev->pdev->dev, "version message write failed\n");
                 dev->dev_state = MEI_DEV_RESETTING;
                 mei_reset(dev, 1);
                 return -ENODEV;
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index e4f8dec4dc3c..b22c7e247225 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -239,14 +239,18 @@ static int mei_me_hw_ready_wait(struct mei_device *dev)
         if (mei_me_hw_is_ready(dev))
                 return 0;
 
+        dev->recvd_hw_ready = false;
         mutex_unlock(&dev->device_lock);
         err = wait_event_interruptible_timeout(dev->wait_hw_ready,
-                        dev->recvd_hw_ready, MEI_INTEROP_TIMEOUT);
+                        dev->recvd_hw_ready,
+                        mei_secs_to_jiffies(MEI_INTEROP_TIMEOUT));
         mutex_lock(&dev->device_lock);
         if (!err && !dev->recvd_hw_ready) {
+                if (!err)
+                        err = -ETIMEDOUT;
                 dev_err(&dev->pdev->dev,
-                        "wait hw ready failed. status = 0x%x\n", err);
-                return -ETIMEDOUT;
+                        "wait hw ready failed. status = %d\n", err);
+                return err;
         }
 
         dev->recvd_hw_ready = false;
@@ -483,7 +487,9 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id)
         /* check if ME wants a reset */
         if (!mei_hw_is_ready(dev) &&
             dev->dev_state != MEI_DEV_RESETTING &&
-            dev->dev_state != MEI_DEV_INITIALIZING) {
+            dev->dev_state != MEI_DEV_INITIALIZING &&
+            dev->dev_state != MEI_DEV_POWER_DOWN &&
+            dev->dev_state != MEI_DEV_POWER_UP) {
                 dev_dbg(&dev->pdev->dev, "FW not ready.\n");
                 mei_reset(dev, 1);
                 mutex_unlock(&dev->device_lock);
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index ed1d75203af6..e6f16f83ecde 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -148,7 +148,8 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
 
         dev->hbm_state = MEI_HBM_IDLE;
 
-        if (dev->dev_state != MEI_DEV_INITIALIZING) {
+        if (dev->dev_state != MEI_DEV_INITIALIZING &&
+            dev->dev_state != MEI_DEV_POWER_UP) {
                 if (dev->dev_state != MEI_DEV_DISABLED &&
                     dev->dev_state != MEI_DEV_POWER_DOWN)
                         dev->dev_state = MEI_DEV_RESETTING;