diff options
Diffstat (limited to 'Documentation/driver-api/mailbox.rst')
| -rw-r--r-- | Documentation/driver-api/mailbox.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/driver-api/mailbox.rst b/Documentation/driver-api/mailbox.rst index 0ed95009cc30..463dd032b96c 100644 --- a/Documentation/driver-api/mailbox.rst +++ b/Documentation/driver-api/mailbox.rst @@ -27,7 +27,7 @@ Controller Driver (See include/linux/mailbox_controller.h) Allocate mbox_controller and the array of mbox_chan. -Populate mbox_chan_ops, except peek_data() all are mandatory. +Populate mbox_chan_ops, except flush() and peek_data() all are mandatory. The controller driver might know a message has been consumed by the remote by getting an IRQ or polling some hardware flag or it can never know (the client knows by way of the protocol). |