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authorTomas Winkler <tomas.winkler@intel.com>2015-02-10 10:39:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-01 19:36:59 -0800
commitb7d885145538ddedb1ae23b782ab7c7c0a856e9f (patch)
tree9470b5807362a068e85487a429fb3b3f543af53e /drivers/misc/mei/mei_dev.h
parente9395e3f8952110bda60b54ad03ec52c6e9c7dbd (diff)
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mei: revamp me clients list handling
1. Use rw lock to access the me_clients list 2. Reuse already defined find functions also when removing particular me client 3. Add wrappers for addition and deletion Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
-rw-r--r--drivers/misc/mei/mei_dev.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 6c6ce9381535..102cc6603eba 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -460,6 +460,7 @@ const char *mei_pg_state_str(enum mei_pg_state state);
* @version : HBM protocol version in use
* @hbm_f_pg_supported : hbm feature pgi protocol
*
+ * @me_clients_rwsem: rw lock over me_clients list
* @me_clients : list of FW clients
* @me_clients_map : FW clients bit map
* @host_clients_map : host clients id pool
@@ -556,6 +557,7 @@ struct mei_device {
struct hbm_version version;
unsigned int hbm_f_pg_supported:1;
+ struct rw_semaphore me_clients_rwsem;
struct list_head me_clients;
DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX);
DECLARE_BITMAP(host_clients_map, MEI_CLIENTS_MAX);