pcmcia: assert locking to struct pcmcia_device

[~andy/linux] / Documentation / pcmcia / locking.txt

diff --git a/Documentation/pcmcia/locking.txt b/Documentation/pcmcia/locking.txt
index 5f25de4cdb4206a10741d8ad2a011817aab0f109..d6251056128ff7d9334ed7a3b9e3b4a8d9e4f10c 100644 (file)
--- a/Documentation/pcmcia/locking.txt
+++ b/Documentation/pcmcia/locking.txt
@@ -90,3 +90,28 @@ or single-use fields not mentioned):
        struct list_head        devices_list;
        u8                      device_count;
        struct                  pcmcia_state;
+
+
+3. Per PCMCIA-device Data:
+--------------------------
+
+The "main" struct pcmcia_devie is protected as follows (read-only fields
+or single-use fields not mentioned):
+
+
+- by pcmcia_socket->ops_mutex:
+       struct list_head        socket_device_list;
+       struct config_t         *function_config;
+       u16                     _irq:1;
+       u16                     _io:1;
+       u16                     _win:4;
+       u16                     _locked:1;
+       u16                     allow_func_id_match:1;
+       u16                     suspended:1;
+       u16                     _removed:1;
+
+- by the PCMCIA driver:
+       io_req_t                io;
+       irq_req_t               irq;
+       config_req_t            conf;
+       window_handle_t         win;