serial: doc: .(un)throttle() are serialized by the tty layer
authorGeert Uytterhoeven <geert+renesas@glider.be>
Thu, 14 Apr 2016 09:08:10 +0000 (11:08 +0200)
committerJonathan Corbet <corbet@lwn.net>
Fri, 15 Apr 2016 21:59:12 +0000 (15:59 -0600)
commit18717b06ee4897c2cc5e92783386c4b304b9fce9
treea01b932aae17683aea65600c72eb7422730af5c2
parenta3bedc3bdc6e640141157636e253d63279860e23
serial: doc: .(un)throttle() are serialized by the tty layer

Document that .(un)throttle() are serialized with each other, and with
termios modification by the tty layer.

Reported-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/serial/driver