diff options
Diffstat (limited to 'sys/dev/usb/serial/usb_serial.h')
| -rw-r--r-- | sys/dev/usb/serial/usb_serial.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/dev/usb/serial/usb_serial.h b/sys/dev/usb/serial/usb_serial.h index 9fbd373b0736..2c53f445b6d7 100644 --- a/sys/dev/usb/serial/usb_serial.h +++ b/sys/dev/usb/serial/usb_serial.h @@ -180,6 +180,7 @@ struct ucom_softc { #define UCOM_FLAG_WAIT_REFS 0x0100 /* set if we must wait for refs */ #define UCOM_FLAG_FREE_UNIT 0x0200 /* set if we must free the unit */ #define UCOM_FLAG_INWAKEUP 0x0400 /* set if we are in the tsw_inwakeup callback */ +#define UCOM_FLAG_LSRTXIDLE 0x0800 /* set if sc_lsr bits ULSR_TSRE+TXRDY work */ uint8_t sc_lsr; uint8_t sc_msr; uint8_t sc_mcr; @@ -218,4 +219,12 @@ void ucom_drain(struct ucom_super_softc *); void ucom_drain_all(void *); void ucom_ref(struct ucom_super_softc *); int ucom_unref(struct ucom_super_softc *); + +static inline void +ucom_use_lsr_txbits(struct ucom_softc *sc) +{ + + sc->sc_flag |= UCOM_FLAG_LSRTXIDLE; +} + #endif /* _USB_SERIAL_H_ */ |