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| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2016-03-14 16:16:14 +0100 |
|---|---|---|
| committer |   Jonathan Corbet <corbet@lwn.net> | 2016-03-31 00:58:25 -0600 |
| commit | fbe3128bcf87723bbbaa2de26f5d1c1122c66b54 (patch) | |
| tree | 3825acd7922b4deefc1fd3341819cad8e7a50ceb /Documentation/serial | |
| parent | serial: doc: Document .set_ldisc() (diff) | |
| download | linux-dev-fbe3128bcf87723bbbaa2de26f5d1c1122c66b54.tar.xz linux-dev-fbe3128bcf87723bbbaa2de26f5d1c1122c66b54.zip | |
serial: doc: .break_ctl() is called with port->mutex() held
Note that mutex_lock() should not be called with interrupts disabled.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/serial')
| -rw-r--r-- | Documentation/serial/driver | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver index 3b08df5bcc17..09e73e061fcf 100644 --- a/Documentation/serial/driver +++ b/Documentation/serial/driver @@ -177,8 +177,7 @@ hardware. should be terminated when another call is made with a zero ctl. - Locking: none. - Interrupts: caller dependent. + Locking: caller holds port->mutex This call must not sleep startup(port) |