linux-kernel - [PATCH] docs: ABI: sysfs-tty: close times are in hundredths of a second

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Message-ID: <27304225-c8b0-9cac-94a3-e985e45aa41a@0882a8b5-c6c3-11e9-b005-00805fc181fe.uuid.home.arpa>
Date:   Thu, 24 Aug 2023 08:18:57 +0100
From:   Simon Arlott <simon@...iron.net>
To:     Oliver Neukum <oneukum@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: [PATCH] docs: ABI: sysfs-tty: close times are in hundredths of a
 second

The times for close_delay and closing_wait are in hundredths of a
second, not milliseconds. Fix the documentation instead of trying
to use millisecond values (which would have to be rounded).

Signed-off-by: Simon Arlott <simon@...iron.net>
---
If you'd prefer, I can fold the second part of this into my previous
patch which shouldn't have documented it as milliseconds in the first
place (but I copied it from the other entry).

 Documentation/ABI/testing/sysfs-tty | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-tty b/Documentation/ABI/testing/sysfs-tty
index e04e322af568..6ee878771f51 100644
--- a/Documentation/ABI/testing/sysfs-tty
+++ b/Documentation/ABI/testing/sysfs-tty
@@ -87,7 +87,8 @@ What:		/sys/class/tty/ttyS<x>/close_delay
 Date:		October 2012
 Contact:	Alan Cox <alan@...ux.intel.com>
 Description:
-		 Show the closing delay time for this port in ms.
+		 Show the closing delay time for this port in hundredths
+		 of a second.
 
 		 These sysfs values expose the TIOCGSERIAL interface via
 		 sysfs rather than via ioctls.
@@ -96,7 +97,8 @@ What:		/sys/class/tty/ttyS<x>/closing_wait
 Date:		October 2012
 Contact:	Alan Cox <alan@...ux.intel.com>
 Description:
-		 Show the close wait time for this port in ms.
+		 Show the close wait time for this port in hundredths of
+		 a second.
 
 		 These sysfs values expose the TIOCGSERIAL interface via
 		 sysfs rather than via ioctls.
@@ -166,7 +168,8 @@ What:		/sys/class/tty/ttyACM0/close_delay
 Date:		August 2023
 Contact:	linux-usb@...r.kernel.org
 Description:
-		Set the closing delay time for this port in ms.
+		Set the closing delay time for this port in hundredths of a
+		second.
 
 		These sysfs values expose the TIOCGSERIAL interface via
 		sysfs rather than via ioctls.
@@ -175,7 +178,8 @@ What:		/sys/class/tty/ttyACM0/closing_wait
 Date:		August 2023
 Contact:	linux-usb@...r.kernel.org
 Description:
-		Set the close wait time for this port in ms.
+		Set the close wait time for this port in hundredths of a
+		second.
 
 		These sysfs values expose the TIOCGSERIAL interface via
 		sysfs rather than via ioctls.
-- 
2.37.0

-- 
Simon Arlott