summaryrefslogtreecommitdiffstats
path: root/include/linux/serial_core.h
diff options
context:
space:
mode:
authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2013-02-21 17:07:14 +0100
committerJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2013-02-21 17:07:14 +0100
commite29371d762df5bb35d2bc434ea266a046e5a0a75 (patch)
treedac4a8db52d92453415f35606130a49e9f32e4ef /include/linux/serial_core.h
parent17b14ca25e9cd6c5cd7605941f6120e405a84f8b (diff)
parent894e2ac82bd0029adce7ad6c8d25501fdd82c994 (diff)
Merge branch 'master' of git://1984.lsi.us.es/nf
Diffstat (limited to 'include/linux/serial_core.h')
-rw-r--r--include/linux/serial_core.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 3c430228d23..c6690a2a27f 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -46,6 +46,8 @@ struct uart_ops {
unsigned int (*get_mctrl)(struct uart_port *);
void (*stop_tx)(struct uart_port *);
void (*start_tx)(struct uart_port *);
+ void (*throttle)(struct uart_port *);
+ void (*unthrottle)(struct uart_port *);
void (*send_xchar)(struct uart_port *, char ch);
void (*stop_rx)(struct uart_port *);
void (*enable_ms)(struct uart_port *);
@@ -163,6 +165,10 @@ struct uart_port {
#define UPF_BUGGY_UART ((__force upf_t) (1 << 14))
#define UPF_NO_TXEN_TEST ((__force upf_t) (1 << 15))
#define UPF_MAGIC_MULTIPLIER ((__force upf_t) (1 << 16))
+/* Port has hardware-assisted h/w flow control (iow, auto-RTS *not* auto-CTS) */
+#define UPF_HARD_FLOW ((__force upf_t) (1 << 21))
+/* Port has hardware-assisted s/w flow control */
+#define UPF_SOFT_FLOW ((__force upf_t) (1 << 22))
#define UPF_CONS_FLOW ((__force upf_t) (1 << 23))
#define UPF_SHARE_IRQ ((__force upf_t) (1 << 24))
#define UPF_EXAR_EFR ((__force upf_t) (1 << 25))