xiaomi-sm8450/android_kernel_xiaomi_sm8450
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mei: revamp me clients list handling

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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>
This commit is contained in:
Tomas Winkler
2015-02-10 10:39:31 +02:00
committed by Greg Kroah-Hartman
parent e9395e3f89
commit b7d8851455
6 changed files with 164 additions and 64 deletions
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1
drivers/misc/mei/init.c
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@@ -387,6 +387,7 @@ void mei_device_init(struct mei_device *dev,
INIT_LIST_HEAD(&dev->device_list);
INIT_LIST_HEAD(&dev->me_clients);
mutex_init(&dev->device_lock);
init_rwsem(&dev->me_clients_rwsem);
init_waitqueue_head(&dev->wait_hw_ready);
init_waitqueue_head(&dev->wait_pg);
init_waitqueue_head(&dev->wait_hbm_start);