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From: Geert Uytterhoeven <geert+renesas@glider.be>
To: Russell King <rmk@arm.linux.org.uk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>, Jonathan Corbet <corbet@lwn.net>
Cc: linux-serial@vger.kernel.org, linux-doc@vger.kernel.org,
	Geert Uytterhoeven <geert+renesas@glider.be>
Subject: [PATCH 6/9] serial: doc: .break_ctl() is called with port->mutex() held
Date: Mon, 14 Mar 2016 16:16:14 +0100	[thread overview]
Message-ID: <1457968577-22379-7-git-send-email-geert+renesas@glider.be> (raw)
In-Reply-To: <1457968577-22379-1-git-send-email-geert+renesas@glider.be>

Note that mutex_lock() should not be called with interrupts disabled.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 Documentation/serial/driver | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 3b08df5bcc17e944..09e73e061fcf795c 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)
-- 
1.9.1


  parent reply	other threads:[~2016-03-14 15:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-14 15:16 [PATCH 0/9] serial: doc: Low Level Serial API Documentation Improvements Geert Uytterhoeven
2016-03-14 15:16 ` [PATCH 1/9] serial: doc: Un-document non-existing uart_write_console() Geert Uytterhoeven
2016-03-16 16:01   ` Peter Hurley
2016-03-16 16:17     ` Geert Uytterhoeven
2016-03-14 15:16 ` [PATCH 2/9] serial: doc: Un-document obsolete tmpbuf_sem Geert Uytterhoeven
2016-03-16 16:02   ` Peter Hurley
2016-03-14 15:16 ` [PATCH 3/9] serial: doc: Document .throttle() Geert Uytterhoeven
2016-03-16 16:19   ` Geert Uytterhoeven
2016-03-16 16:39   ` Peter Hurley
2016-03-14 15:16 ` [PATCH 4/9] serial: doc: Document .unthrottle() Geert Uytterhoeven
2016-03-14 15:16 ` [PATCH 5/9] serial: doc: Document .set_ldisc() Geert Uytterhoeven
2016-03-16 16:49   ` Peter Hurley
2016-03-14 15:16 ` Geert Uytterhoeven [this message]
2016-03-16 16:46   ` [PATCH 6/9] serial: doc: .break_ctl() is called with port->mutex() held Peter Hurley
2016-03-14 15:16 ` [PATCH 7/9] serial: doc: Spelling s/divsor/divisor/ Geert Uytterhoeven
2016-03-14 15:16 ` [PATCH 8/9] serial: doc: Grammar s/function are/functions are/ Geert Uytterhoeven
2016-03-14 15:16 ` [PATCH 9/9] serial: doc: Correct return type of mctrl_gpio_to_gpiod() Geert Uytterhoeven
2016-03-31  6:59 ` [PATCH 0/9] serial: doc: Low Level Serial API Documentation Improvements Jonathan Corbet
2016-03-31  8:26   ` Geert Uytterhoeven

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