diff options
Diffstat (limited to 'drivers/misc/mei/client.c')
-rw-r--r-- | drivers/misc/mei/client.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index bab17e4197b6..eed254da63a8 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -727,6 +727,11 @@ static void mei_cl_wake_all(struct mei_cl *cl) cl_dbg(dev, cl, "Waking up waiting for event clients!\n"); wake_up_interruptible(&cl->ev_wait); } + /* synchronized under device mutex */ + if (waitqueue_active(&cl->wait)) { + cl_dbg(dev, cl, "Waking up ctrl write clients!\n"); + wake_up_interruptible(&cl->wait); + } } /** @@ -879,12 +884,15 @@ static int __mei_cl_disconnect(struct mei_cl *cl) } mutex_unlock(&dev->device_lock); - wait_event_timeout(cl->wait, cl->state == MEI_FILE_DISCONNECT_REPLY, + wait_event_timeout(cl->wait, + cl->state == MEI_FILE_DISCONNECT_REPLY || + cl->state == MEI_FILE_DISCONNECTED, mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); mutex_lock(&dev->device_lock); rets = cl->status; - if (cl->state != MEI_FILE_DISCONNECT_REPLY) { + if (cl->state != MEI_FILE_DISCONNECT_REPLY && + cl->state != MEI_FILE_DISCONNECTED) { cl_dbg(dev, cl, "timeout on disconnect from FW client.\n"); rets = -ETIME; } @@ -1085,6 +1093,7 @@ int mei_cl_connect(struct mei_cl *cl, struct mei_me_client *me_cl, mutex_unlock(&dev->device_lock); wait_event_timeout(cl->wait, (cl->state == MEI_FILE_CONNECTED || + cl->state == MEI_FILE_DISCONNECTED || cl->state == MEI_FILE_DISCONNECT_REQUIRED || cl->state == MEI_FILE_DISCONNECT_REPLY), mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); @@ -1333,16 +1342,13 @@ int mei_cl_notify_request(struct mei_cl *cl, } mutex_unlock(&dev->device_lock); - wait_event_timeout(cl->wait, cl->notify_en == request, - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + wait_event_timeout(cl->wait, + cl->notify_en == request || !mei_cl_is_connected(cl), + mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); mutex_lock(&dev->device_lock); - if (cl->notify_en != request) { - mei_io_list_flush(&dev->ctrl_rd_list, cl); - mei_io_list_flush(&dev->ctrl_wr_list, cl); - if (!cl->status) - cl->status = -EFAULT; - } + if (cl->notify_en != request && !cl->status) + cl->status = -EFAULT; rets = cl->status; @@ -1767,6 +1773,10 @@ void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb) wake_up(&cl->wait); break; + case MEI_FOP_DISCONNECT_RSP: + mei_io_cb_free(cb); + mei_cl_set_disconnected(cl); + break; default: BUG_ON(0); } |