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mailbox: check for bit set before polling

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Before polling we just need to see if the TXDONE_BY_POLL bit
is set in txdone_method. There may be another bit (method)
specified as well, like TXDONE_BY_ACK.

Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
This commit is contained in:
Jassi Brar 2014-12-12 15:22:49 +05:30 committed by Jassi Brar
parent 356d5d28f2
commit 01340df8d3
1 changed files with 1 additions and 1 deletions
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2
drivers/mailbox/mailbox.c
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@ -87,7 +87,7 @@ static void msg_submit(struct mbox_chan *chan)
exit:
spin_unlock_irqrestore(&chan->lock, flags);
if (!err && chan->txdone_method == TXDONE_BY_POLL)
if (!err && (chan->txdone_method & TXDONE_BY_POLL))
poll_txdone((unsigned long)chan->mbox);
}