diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/mei/bus.c | 13 | ||||
| -rw-r--r-- | drivers/misc/mei/client.c | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 2 |
3 files changed, 12 insertions, 9 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 0b05aa9..a40d8e2 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -252,23 +252,28 @@ void mei_cl_bus_notify_event(struct mei_cl *cl) } /** - * mei_cl_bus_rx_event - schedule rx evenet + * mei_cl_bus_rx_event - schedule rx event * * @cl: host client + * + * Return: true if event was scheduled + * false if the client is not waiting for event */ -void mei_cl_bus_rx_event(struct mei_cl *cl) +bool mei_cl_bus_rx_event(struct mei_cl *cl) { struct mei_cl_device *cldev = cl->cldev; if (!cldev || !cldev->event_cb) - return; + return false; if (!(cldev->events_mask & BIT(MEI_CL_EVENT_RX))) - return; + return false; set_bit(MEI_CL_EVENT_RX, &cldev->events); schedule_work(&cldev->event_work); + + return true; } /** diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 3299168..574f739 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1735,10 +1735,8 @@ void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb) case MEI_FOP_READ: list_add_tail(&cb->list, &cl->rd_completed); - if (waitqueue_active(&cl->rx_wait)) - wake_up_interruptible_all(&cl->rx_wait); - else - mei_cl_bus_rx_event(cl); + if (!mei_cl_bus_rx_event(cl)) + wake_up_interruptible(&cl->rx_wait); break; case MEI_FOP_CONNECT: diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 8190196..be97b8f 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -316,7 +316,7 @@ void mei_cl_bus_dev_fixup(struct mei_cl_device *dev); ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length, bool blocking); ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length); -void mei_cl_bus_rx_event(struct mei_cl *cl); +bool mei_cl_bus_rx_event(struct mei_cl *cl); void mei_cl_bus_notify_event(struct mei_cl *cl); void mei_cl_bus_remove_devices(struct mei_device *bus); int mei_cl_bus_init(void); |