On 2018-04-27 12:31:52 [+0200], Richard Genoud wrote:
> Hi Sebastian,
Hi,
> > If this is unknown and a bisect is requested, please let me know.
> Indeed, this will be appreciated.
> I'm quite curious to find the commit that led to this.
commit 761ed4a94582ab291aa24dcbea4e01e8936488c8
Author: Rob Herring <robh@xxxxxxxxxx>
Date: Mon Aug 22 17:39:10 2016 -0500
tty: serial_core: convert uart_close to use tty_port_close
tty_port_close handles much of the common parts of tty close. Convert
uart_close to use it and move the serial_core specific parts into
tty_port.shutdown function. This will be needed to use tty_port functions
directly from in kernel clients.
This change causes ops->stop_rx() to be called after uart_wait_until_sent()
is called which I think should be fine. Otherwise, the sequence of the
close should be the same.
Cc: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
The thread starts at
https://www.spinics.net/lists/linux-serial/msg30070.html
http://lkml.kernel.org/r/20180426150625.q5tqcb7fzchvkb5d@xxxxxxxxxxxxx
> Richard
Sebastian
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