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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-05-10 11:43:46 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-05-10 11:43:46 -0700 |
| commit | 2a267e7c41aa88215de2b542de797d03d16ecdfd (patch) | |
| tree | b949270835e304c8b60a40cde1b2c2e19c13b33a /include/linux/mailbox_controller.h | |
| parent | 0981949da8f7498b96c6e0ae60680865ca283bf1 (diff) | |
| parent | e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd (diff) | |
| download | cachepc-linux-2a267e7c41aa88215de2b542de797d03d16ecdfd.tar.gz cachepc-linux-2a267e7c41aa88215de2b542de797d03d16ecdfd.zip | |
Merge tag 'v5.1' into next
Sync up with mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/mailbox_controller.h')
| -rw-r--r-- | include/linux/mailbox_controller.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mailbox_controller.h b/include/linux/mailbox_controller.h index 74deadb42d76..4994a438444c 100644 --- a/include/linux/mailbox_controller.h +++ b/include/linux/mailbox_controller.h @@ -24,6 +24,9 @@ struct mbox_chan; * transmission of data is reported by the controller via * mbox_chan_txdone (if it has some TX ACK irq). It must not * sleep. + * @flush: Called when a client requests transmissions to be blocking but + * the context doesn't allow sleeping. Typically the controller + * will implement a busy loop waiting for the data to flush out. * @startup: Called when a client requests the chan. The controller * could ask clients for additional parameters of communication * to be provided via client's chan_data. This call may @@ -46,6 +49,7 @@ struct mbox_chan; */ struct mbox_chan_ops { int (*send_data)(struct mbox_chan *chan, void *data); + int (*flush)(struct mbox_chan *chan, unsigned long timeout); int (*startup)(struct mbox_chan *chan); void (*shutdown)(struct mbox_chan *chan); bool (*last_tx_done)(struct mbox_chan *chan); @@ -131,4 +135,9 @@ void mbox_controller_unregister(struct mbox_controller *mbox); /* can sleep */ void mbox_chan_received_data(struct mbox_chan *chan, void *data); /* atomic */ void mbox_chan_txdone(struct mbox_chan *chan, int r); /* atomic */ +int devm_mbox_controller_register(struct device *dev, + struct mbox_controller *mbox); +void devm_mbox_controller_unregister(struct device *dev, + struct mbox_controller *mbox); + #endif /* __MAILBOX_CONTROLLER_H */ |