diff options
Diffstat (limited to 'Documentation/serial')
| -rw-r--r-- | Documentation/serial/driver | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver index 03b703cf9318..7fb80682e394 100644 --- a/Documentation/serial/driver +++ b/Documentation/serial/driver @@ -137,7 +137,8 @@ hardware. should be sent to the serial port. This will be called only if hardware assisted flow control is enabled. - Locking: none. + Locking: serialized with .unthrottle() and termios modification by the + tty layer. unthrottle(port) Notify the serial driver that characters can now be sent to the serial @@ -145,7 +146,8 @@ hardware. disciplines. This will be called only if hardware assisted flow control is enabled. - Locking: none. + Locking: serialized with .throttle() and termios modification by the + tty layer. send_xchar(port,ch) Transmit a high priority character, even if the port is stopped. |