11 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2 3#ifndef __MAILBOX_H4#define __MAILBOX_H5 6#define TXDONE_BY_IRQ BIT(0) /* controller has remote RTR irq */7#define TXDONE_BY_POLL BIT(1) /* controller can read status of last TX */8#define TXDONE_BY_ACK BIT(2) /* S/W ACK received by Client ticks the TX */9 10#endif /* __MAILBOX_H */11