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-rw-r--r--Documentation/pnp.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/pnp.txt b/Documentation/pnp.txt
index af0f6eabfa1c..9529c9c9fd59 100644
--- a/Documentation/pnp.txt
+++ b/Documentation/pnp.txt
@@ -115,6 +115,9 @@ pnp_unregister_protocol
pnp_register_driver
- adds a PnP driver to the Plug and Play Layer
- this includes driver model integration
+- returns zero for success or a negative error number for failure; count
+ calls to the .add() method if you need to know how many devices bind to
+ the driver
pnp_unregister_driver
- removes a PnP driver from the Plug and Play Layer

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