diff options
Diffstat (limited to 'drivers/misc/mei/client.c')
| -rw-r--r-- | drivers/misc/mei/client.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index e46663ee76de..1569afe935de 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -676,3 +676,54 @@ err: return rets; } +/** + * mei_cl_all_disconnect - disconnect forcefully all connected clients + * + * @dev - mei device + */ + +void mei_cl_all_disconnect(struct mei_device *dev) +{ + struct mei_cl *cl, *next; + + list_for_each_entry_safe(cl, next, &dev->file_list, link) { + cl->state = MEI_FILE_DISCONNECTED; + cl->mei_flow_ctrl_creds = 0; + cl->read_cb = NULL; + cl->timer_count = 0; + } +} + + +/** + * mei_cl_all_read_wakeup - wake up all readings so they can be interrupted + * + * @dev - mei device + */ +void mei_cl_all_read_wakeup(struct mei_device *dev) +{ + struct mei_cl *cl, *next; + list_for_each_entry_safe(cl, next, &dev->file_list, link) { + if (waitqueue_active(&cl->rx_wait)) { + dev_dbg(&dev->pdev->dev, "Waking up client!\n"); + wake_up_interruptible(&cl->rx_wait); + } + } +} + +/** + * mei_cl_all_write_clear - clear all pending writes + + * @dev - mei device + */ +void mei_cl_all_write_clear(struct mei_device *dev) +{ + struct mei_cl_cb *cb, *next; + + list_for_each_entry_safe(cb, next, &dev->write_list.list, list) { + list_del(&cb->list); + mei_io_cb_free(cb); + } +} + + |