Commit a3bedc3b authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Jonathan Corbet
Browse files

serial: doc: .(un)throttle() depends on hardware assisted flow control 



Document that .throttle() and .unthrottle() are relevant only if
hardware assisted flow control is enabled.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent d124fd3b

Documentation/serial/driver

+2 −0
Original line number Diff line number Diff line
@@ -135,6 +135,7 @@ hardware. 
	Notify the serial driver that input buffers for the line discipline are

	close to full, and it should somehow signal that no more characters

	should be sent to the serial port.

	This will be called only if hardware assisted flow control is enabled.



	Locking: none.
@@ -142,6 +143,7 @@ hardware. 
	Notify the serial driver that characters can now be sent to the serial

	port without fear of overrunning the input buffers of the line

	disciplines.

	This will be called only if hardware assisted flow control is enabled.



	Locking: none.

CRA Git | Maintained and supported by SUSTech CRA and CCSE