diff options
Diffstat (limited to 'drivers/mailbox/mailbox.c')
| -rw-r--r-- | drivers/mailbox/mailbox.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index 4671f8a12872..9dfbf7ea10a2 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -103,11 +103,14 @@ static void tx_tick(struct mbox_chan *chan, int r) /* Submit next message */ msg_submit(chan); + if (!mssg) + return; + /* Notify the client */ - if (mssg && chan->cl->tx_done) + if (chan->cl->tx_done) chan->cl->tx_done(chan->cl, mssg, r); - if (chan->cl->tx_block) + if (r != -ETIME && chan->cl->tx_block) complete(&chan->tx_complete); } @@ -260,7 +263,7 @@ int mbox_send_message(struct mbox_chan *chan, void *mssg) msg_submit(chan); - if (chan->cl->tx_block && chan->active_req) { + if (chan->cl->tx_block) { unsigned long wait; int ret; @@ -271,8 +274,8 @@ int mbox_send_message(struct mbox_chan *chan, void *mssg) ret = wait_for_completion_timeout(&chan->tx_complete, wait); if (ret == 0) { - t = -EIO; - tx_tick(chan, -EIO); + t = -ETIME; + tx_tick(chan, t); } } @@ -453,6 +456,12 @@ int mbox_controller_register(struct mbox_controller *mbox) txdone = TXDONE_BY_ACK; if (txdone == TXDONE_BY_POLL) { + + if (!mbox->ops->last_tx_done) { + dev_err(mbox->dev, "last_tx_done method is absent\n"); + return -EINVAL; + } + hrtimer_init(&mbox->poll_hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL); mbox->poll_hrt.function = txdone_hrtimer; |