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| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-01-17 18:31:34 +0100 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-02-17 17:48:22 +0100 |
| commit | 94a819f80297e1f635a7cde4ed5317612e512ba7 (patch) | |
| tree | 9bbb1eab3a0f0c722fe40295fb512d99cc0190d9 /Documentation/pcmcia | |
| parent | 3d068261854b00c930df4516cd617900935e7706 (diff) | |
| download | lwn-94a819f80297e1f635a7cde4ed5317612e512ba7.tar.gz lwn-94a819f80297e1f635a7cde4ed5317612e512ba7.zip | |
pcmcia: assert locking to struct pcmcia_device
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'Documentation/pcmcia')
| -rw-r--r-- | Documentation/pcmcia/locking.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/pcmcia/locking.txt b/Documentation/pcmcia/locking.txt index 5f25de4cdb42..d6251056128f 100644 --- 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; |