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Diffstat (limited to 'include/linux/mailbox_client.h')
-rw-r--r--include/linux/mailbox_client.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mailbox_client.h b/include/linux/mailbox_client.h
index c6eea9afb943..e5997120f45c 100644
--- a/include/linux/mailbox_client.h
+++ b/include/linux/mailbox_client.h
@@ -45,6 +45,7 @@ int mbox_send_message(struct mbox_chan *chan, void *mssg);
int mbox_flush(struct mbox_chan *chan, unsigned long timeout);
void mbox_client_txdone(struct mbox_chan *chan, int r); /* atomic */
bool mbox_client_peek_data(struct mbox_chan *chan); /* atomic */
+unsigned int mbox_chan_tx_slots_available(struct mbox_chan *chan); /* atomic */
void mbox_free_channel(struct mbox_chan *chan); /* may sleep */
#endif /* __MAILBOX_CLIENT_H */