mei: add debugfs hooks

debugfs exposes device state and list of me clients and their
properties

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

1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 872de9d1494b..329fb865cfd0 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -753,15 +753,25 @@ static struct miscdevice  mei_misc_device = {
                 .minor = MISC_DYNAMIC_MINOR,
 };
 
-int mei_register(struct device *dev)
+
+int mei_register(struct mei_device *dev)
 {
-        mei_misc_device.parent = dev;
-        return misc_register(&mei_misc_device);
+        int ret;
+        mei_misc_device.parent = &dev->pdev->dev;
+        ret = misc_register(&mei_misc_device);
+        if (ret)
+                return ret;
+
+        if (mei_dbgfs_register(dev, mei_misc_device.name))
+                dev_err(&dev->pdev->dev, "cannot register debugfs\n");
+
+        return 0;
 }
 EXPORT_SYMBOL_GPL(mei_register);
 
-void mei_deregister(void)
+void mei_deregister(struct mei_device *dev)
 {
+        mei_dbgfs_deregister(dev);
         misc_deregister(&mei_misc_device);
         mei_misc_device.parent = NULL;
 }