diff options
Diffstat (limited to 'include/linux/mailbox_client.h')
| -rw-r--r-- | include/linux/mailbox_client.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mailbox_client.h b/include/linux/mailbox_client.h index 307d9cab202..1726ccbd800 100644 --- a/include/linux/mailbox_client.h +++ b/include/linux/mailbox_client.h @@ -25,6 +25,8 @@ struct mbox_chan; * if the client receives some ACK packet for transmission. * Unused if the controller already has TX_Done/RTR IRQ. * @rx_callback: Atomic callback to provide client the data received + * @tx_prepare: Atomic callback to ask client to prepare the payload + * before initiating the transmission if required. * @tx_done: Atomic callback to tell client of data transmission */ struct mbox_client { @@ -34,6 +36,7 @@ struct mbox_client { bool knows_txdone; void (*rx_callback)(struct mbox_client *cl, void *mssg); + void (*tx_prepare)(struct mbox_client *cl, void *mssg); void (*tx_done)(struct mbox_client *cl, void *mssg, int r); }; |