mei: move clients cleanup code from init.c to client.c
authorTomas Winkler <tomas.winkler@intel.com>
Wed, 6 Feb 2013 12:06:44 +0000 (14:06 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Feb 2013 19:24:33 +0000 (11:24 -0800)
during reset we clean up client data structures
we move that code into wrappers in client
and call the wrappers

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/client.c
drivers/misc/mei/client.h
drivers/misc/mei/init.c

index e46663ee76de40f0f775c030770d24f3677f3cbe..1569afe935de6b19474136faed2adba2c77e318d 100644 (file)
@@ -676,3 +676,54 @@ err:
        return rets;
 }
 
+/**
+ * mei_cl_all_disconnect - disconnect forcefully all connected clients
+ *
+ * @dev - mei device
+ */
+
+void mei_cl_all_disconnect(struct mei_device *dev)
+{
+       struct mei_cl *cl, *next;
+
+       list_for_each_entry_safe(cl, next, &dev->file_list, link) {
+               cl->state = MEI_FILE_DISCONNECTED;
+               cl->mei_flow_ctrl_creds = 0;
+               cl->read_cb = NULL;
+               cl->timer_count = 0;
+       }
+}
+
+
+/**
+ * mei_cl_all_read_wakeup  - wake up all readings so they can be interrupted
+ *
+ * @dev  - mei device
+ */
+void mei_cl_all_read_wakeup(struct mei_device *dev)
+{
+       struct mei_cl *cl, *next;
+       list_for_each_entry_safe(cl, next, &dev->file_list, link) {
+               if (waitqueue_active(&cl->rx_wait)) {
+                       dev_dbg(&dev->pdev->dev, "Waking up client!\n");
+                       wake_up_interruptible(&cl->rx_wait);
+               }
+       }
+}
+
+/**
+ * mei_cl_all_write_clear - clear all pending writes
+
+ * @dev - mei device
+ */
+void mei_cl_all_write_clear(struct mei_device *dev)
+{
+       struct mei_cl_cb *cb, *next;
+
+       list_for_each_entry_safe(cb, next, &dev->write_list.list, list) {
+               list_del(&cb->list);
+               mei_io_cb_free(cb);
+       }
+}
+
+
index 240a1f321342c10b75321653ae337d7c03f5d24c..214b2397ec3efe37457207a76dfcfb0eb1bd0d69 100644 (file)
@@ -94,4 +94,9 @@ int mei_cl_connect(struct mei_cl *cl, struct file *file);
 void mei_host_client_init(struct work_struct *work);
 
 
+void mei_cl_all_disconnect(struct mei_device *dev);
+void mei_cl_all_read_wakeup(struct mei_device *dev);
+void mei_cl_all_write_clear(struct mei_device *dev);
+
+
 #endif /* _MEI_CLIENT_H_ */
index 51a005e80952cdffd604d9d65707016c59f668c8..6ec530168afbbe2268da06d1c2508fd044cb943d 100644 (file)
@@ -135,10 +135,6 @@ err:
  */
 void mei_reset(struct mei_device *dev, int interrupts_enabled)
 {
-       struct mei_cl *cl_pos = NULL;
-       struct mei_cl *cl_next = NULL;
-       struct mei_cl_cb *cb_pos = NULL;
-       struct mei_cl_cb *cb_next = NULL;
        bool unexpected;
 
        if (dev->dev_state == MEI_DEV_RECOVERING_FROM_RESET)
@@ -157,13 +153,8 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
                    dev->dev_state != MEI_DEV_POWER_DOWN)
                        dev->dev_state = MEI_DEV_RESETING;
 
-               list_for_each_entry_safe(cl_pos,
-                               cl_next, &dev->file_list, link) {
-                       cl_pos->state = MEI_FILE_DISCONNECTED;
-                       cl_pos->mei_flow_ctrl_creds = 0;
-                       cl_pos->read_cb = NULL;
-                       cl_pos->timer_count = 0;
-               }
+               mei_cl_all_disconnect(dev);
+
                /* remove entry if already in list */
                dev_dbg(&dev->pdev->dev, "remove iamthif and wd from the file list.\n");
                mei_cl_unlink(&dev->wd_cl);
@@ -185,18 +176,11 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
                dev_warn(&dev->pdev->dev, "unexpected reset: dev_state = %s\n",
                         mei_dev_state_str(dev->dev_state));
 
-       /* Wake up all readings so they can be interrupted */
-       list_for_each_entry_safe(cl_pos, cl_next, &dev->file_list, link) {
-               if (waitqueue_active(&cl_pos->rx_wait)) {
-                       dev_dbg(&dev->pdev->dev, "Waking up client!\n");
-                       wake_up_interruptible(&cl_pos->rx_wait);
-               }
-       }
+       /* wake up all readings so they can be interrupted */
+       mei_cl_all_read_wakeup(dev);
+
        /* remove all waiting requests */
-       list_for_each_entry_safe(cb_pos, cb_next, &dev->write_list.list, list) {
-               list_del(&cb_pos->list);
-               mei_io_cb_free(cb_pos);
-       }
+       mei_cl_all_write_clear(dev);
 }