The times for close_delay and closing_wait are in centiseconds, not milliseconds. Fix the documentation and add details of special values. Signed-off-by: Simon Arlott <simon@xxxxxxxxxxx> --- On 25/08/2023 06:33, Jiri Slaby wrote: > And I would use "centiseconds" instead, which is used (IMO) in these cases. It's used in a few places, but the documentation has no "centiseconds" and a couple of "hundredths". I've changed it anyway. Documentation/ABI/testing/sysfs-tty | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-tty b/Documentation/ABI/testing/sysfs-tty index 820e412d38a8..895c47f05f6f 100644 --- a/Documentation/ABI/testing/sysfs-tty +++ b/Documentation/ABI/testing/sysfs-tty @@ -87,19 +87,22 @@ What: /sys/class/tty/ttyS<x>/close_delay Date: October 2012 Contact: Alan Cox <alan@xxxxxxxxxxxxxxx> Description: - Show the closing delay time for this port in ms. + Show the closing delay time for this port in centiseconds. - These sysfs values expose the TIOCGSERIAL interface via - sysfs rather than via ioctls. + These sysfs values expose the TIOCGSERIAL interface via + sysfs rather than via ioctls. What: /sys/class/tty/ttyS<x>/closing_wait Date: October 2012 Contact: Alan Cox <alan@xxxxxxxxxxxxxxx> Description: - Show the close wait time for this port in ms. + Show the close wait time for this port in centiseconds. - These sysfs values expose the TIOCGSERIAL interface via - sysfs rather than via ioctls. + Waiting forever is represented as 0. If waiting on close is + disabled then the value is 65535. + + These sysfs values expose the TIOCGSERIAL interface via + sysfs rather than via ioctls. What: /sys/class/tty/ttyS<x>/custom_divisor Date: October 2012 -- 2.37.0 -- Simon Arlott
