timekeeping: Add debugging checks to warn if we see delays
[linux-2.6/btrfs-unstable.git] / drivers / mailbox / mailbox.h
blob456ba68513bb5d244cc764025b19e1a99fbf8a70
1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License version 2 as
4 * published by the Free Software Foundation.
5 */
7 #ifndef __MAILBOX_H
8 #define __MAILBOX_H
10 #define TXDONE_BY_IRQ BIT(0) /* controller has remote RTR irq */
11 #define TXDONE_BY_POLL BIT(1) /* controller can read status of last TX */
12 #define TXDONE_BY_ACK BIT(2) /* S/W ACK recevied by Client ticks the TX */
14 #endif /* __MAILBOX_H */