diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/serial_8250.h | 5 | ||||
| -rw-r--r-- | include/linux/serial_core.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/serial_core.h | 3 |
3 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index f93649e22c43..6fc9d7bee05e 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -96,10 +96,13 @@ struct uart_8250_port { unsigned char msr_saved_flags; struct uart_8250_dma *dma; + struct serial_rs485 rs485; /* 8250 specific callbacks */ int (*dl_read)(struct uart_8250_port *); void (*dl_write)(struct uart_8250_port *, int); + int (*rs485_config)(struct uart_8250_port *, + struct serial_rs485 *rs485); }; static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up) @@ -121,6 +124,8 @@ extern void serial8250_early_out(struct uart_port *port, int offset, int value); extern int setup_early_serial8250_console(char *cmdline); extern void serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old); +extern int serial8250_do_startup(struct uart_port *port); +extern void serial8250_do_shutdown(struct uart_port *port); extern void serial8250_do_pm(struct uart_port *port, unsigned int state, unsigned int oldstate); extern int fsl8250_handle_irq(struct uart_port *port); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index cf3a1e789bf5..3bd7d55eebce 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -122,6 +122,8 @@ struct uart_port { void (*set_termios)(struct uart_port *, struct ktermios *new, struct ktermios *old); + int (*startup)(struct uart_port *port); + void (*shutdown)(struct uart_port *port); int (*handle_irq)(struct uart_port *); void (*pm)(struct uart_port *, unsigned int state, unsigned int old); @@ -152,6 +154,7 @@ struct uart_port { unsigned long sysrq; /* sysrq timeout */ #endif + /* flags must be updated while holding port mutex */ upf_t flags; #define UPF_FOURPORT ((__force upf_t) (1 << 1)) diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index 5820269aa132..16ad8521af6a 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -244,4 +244,7 @@ /* SC16IS74xx */ #define PORT_SC16IS7XX 108 +/* MESON */ +#define PORT_MESON 109 + #endif /* _UAPILINUX_SERIAL_CORE_H */ |