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mei: add me client remove functions

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To support dynamic addition/remove we add wrappers
for removal of me clients

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 2014-08-21 14:29:14 +03:00 committed by Greg Kroah-Hartman
parent 5ca2d3882d
commit 25ca6472b5
3 changed files with 38 additions and 7 deletions
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22
drivers/misc/mei/client.c
View File

@ -47,7 +47,6 @@ struct mei_me_client *mei_me_cl_by_uuid(const struct mei_device *dev,
return NULL;
}
/**
* mei_me_cl_by_id return index to me_clients for client_id
*
@ -70,6 +69,27 @@ struct mei_me_client *mei_me_cl_by_id(struct mei_device *dev, u8 client_id)
return NULL;
}
/**
* mei_me_cl_remove - remove me client matching uuid and client_id
*
* @dev: the device structure
* @uuid: me client uuid
* @client_id: me client address
*/
void mei_me_cl_remove(struct mei_device *dev, const uuid_le *uuid, u8 client_id)
{
struct mei_me_client *me_cl, *next;
list_for_each_entry_safe(me_cl, next, &dev->me_clients, list) {
if (uuid_le_cmp(*uuid, me_cl->props.protocol_name) == 0 &&
me_cl->client_id == client_id) {
list_del(&me_cl->list);
kfree(me_cl);
break;
}
}
}
/**
* mei_cl_cmp_id - tells if the clients are the same

2
drivers/misc/mei/client.h
View File

@ -27,6 +27,8 @@
struct mei_me_client *mei_me_cl_by_uuid(const struct mei_device *dev,
const uuid_le *cuuid);
struct mei_me_client *mei_me_cl_by_id(struct mei_device *dev, u8 client_id);
void mei_me_cl_remove(struct mei_device *dev,
const uuid_le *uuid, u8 client_id);
/*
* MEI IO Functions

21
drivers/misc/mei/hbm.c
View File

@ -70,6 +70,20 @@ void mei_hbm_idle(struct mei_device *dev)
dev->hbm_state = MEI_HBM_IDLE;
}
/**
* mei_me_cl_remove_all - remove all me clients
*
* @dev: the device structure
*/
static void mei_me_cl_remove_all(struct mei_device *dev)
{
struct mei_me_client *me_cl, *next;
list_for_each_entry_safe(me_cl, next, &dev->me_clients, list) {
list_del(&me_cl->list);
kfree(me_cl);
}
}
/**
* mei_hbm_reset - reset hbm counters and book keeping data structurs
*
@ -77,15 +91,10 @@ void mei_hbm_idle(struct mei_device *dev)
*/
void mei_hbm_reset(struct mei_device *dev)
{
struct mei_me_client *me_cl, *next;
dev->me_client_presentation_num = 0;
dev->me_client_index = 0;
list_for_each_entry_safe(me_cl, next, &dev->me_clients, list) {
list_del(&me_cl->list);
kfree(me_cl);
}
mei_me_cl_remove_all(dev);
mei_hbm_idle(dev);
}