From 0ff0a8d853039aa60bba3ca3e04e4fb74584a736 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Thu, 23 Jul 2015 15:08:42 +0300 Subject: mei: bus: add me client device list infrastructure Instead of holding the list of host clients (me_cl) we want to keep the list me client devices (mei_cl_device) This way we can create host to me client connection only when needed. Add list head to mei_cl_device and cl_bus_lock Add bus_added flag to the me client (mei_me_client) to track if the appropriate mei_cl_device was already created and is_added flag to mei_cl_device to track if it was already added to the device list across the bus rescans Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/mei_dev.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/misc/mei/mei_dev.h') diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index bc65fb42aea9..882e6f77084a 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -178,7 +178,7 @@ struct mei_fw_status { * @client_id: me client id * @mei_flow_ctrl_creds: flow control credits * @connect_count: number connections to this client - * @reserved: reserved + * @bus_added: added to bus */ struct mei_me_client { struct list_head list; @@ -187,7 +187,7 @@ struct mei_me_client { u8 client_id; u8 mei_flow_ctrl_creds; u8 connect_count; - u8 reserved; + u8 bus_added; }; @@ -447,6 +447,7 @@ const char *mei_pg_state_str(enum mei_pg_state state); * @reset_work : work item for the device reset * * @device_list : mei client bus list + * @cl_bus_lock : client bus list lock * * @dbgfs_dir : debugfs mei root directory * @@ -543,6 +544,7 @@ struct mei_device { /* List of bus devices */ struct list_head device_list; + struct mutex cl_bus_lock; #if IS_ENABLED(CONFIG_DEBUG_FS) struct dentry *dbgfs_dir; -- cgit v1.2.3-70-g09d2