mei: remove flash_work_queue

Cancel each work properly and remove flash_work_queue.

Quoting documentation:

In most situations flushing the entire workqueue is overkill; you merely
need to know that a particular work item isn't queued and isn't running.
In such cases you should use cancel_delayed_work_sync() or
cancel_work_sync() instead.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index f7f3abb..83c879b 100644 (file)
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -131,6 +131,15 @@ err:
 }
 EXPORT_SYMBOL_GPL(mei_start);
 
+
+void mei_cancel_work(struct mei_device *dev)
+{
+       cancel_work_sync(&dev->init_work);
+
+       cancel_delayed_work(&dev->timer_work);
+}
+EXPORT_SYMBOL_GPL(mei_cancel_work);
+
 /**
  * mei_reset - resets host and fw.
  *
@@ -215,16 +224,14 @@ void mei_stop(struct mei_device *dev)
 {
        dev_dbg(&dev->pdev->dev, "stopping the device.\n");
 
-       flush_scheduled_work();
+       mei_cancel_work(dev);
 
-       mutex_lock(&dev->device_lock);
+       mei_nfc_host_exit(dev);
 
-       cancel_delayed_work(&dev->timer_work);
+       mutex_lock(&dev->device_lock);
 
        mei_wd_stop(dev);
 
-       mei_nfc_host_exit();
-
        dev->dev_state = MEI_DEV_POWER_DOWN;
        mei_reset(dev, 0);
 

diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 406f68e..6f577bf 100644 (file)
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -463,6 +463,7 @@ void mei_device_init(struct mei_device *dev);
 void mei_reset(struct mei_device *dev, int interrupts);
 int mei_start(struct mei_device *dev);
 void mei_stop(struct mei_device *dev);
+void mei_cancel_work(struct mei_device *dev);
 
 /*
  *  MEI interrupt functions prototype
@@ -510,7 +511,7 @@ int mei_amthif_irq_read(struct mei_device *dev, s32 *slots);
  * NFC functions
  */
 int mei_nfc_host_init(struct mei_device *dev);
-void mei_nfc_host_exit(void);
+void mei_nfc_host_exit(struct mei_device *dev);
 
 /*
  * NFC Client UUID

diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c
index 994ca4a..0a89220 100644 (file)
--- a/drivers/misc/mei/nfc.c
+++ b/drivers/misc/mei/nfc.c
@@ -547,12 +547,16 @@ err:
        return ret;
 }
 
-void mei_nfc_host_exit(void)
+void mei_nfc_host_exit(struct mei_device *dev)
 {
        struct mei_nfc_dev *ndev = &nfc_dev;
 
+       cancel_work_sync(&ndev->init_work);
+
+       mutex_lock(&dev->device_lock);
        if (ndev->cl && ndev->cl->device)
                mei_cl_remove_device(ndev->cl->device);
 
        mei_nfc_free(ndev);
+       mutex_unlock(&dev->device_lock);
 }

diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index b96205a..3bfae38 100644 (file)
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -195,8 +195,8 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        return 0;
 
 release_irq:
+       mei_cancel_work(dev);
        mei_disable_interrupts(dev);
-       flush_scheduled_work();
        free_irq(pdev->irq, dev);
 disable_msi:
        pci_disable_msi(pdev);