From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Peter Hurley <peter@hurleysoftware.com>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
Valerio Vanni <valerio.vanni@inwind.it>,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH 2/2] serial: core: Preserve termios c_cflag for console resume
Date: Wed, 4 Jun 2014 07:22:32 -0700 [thread overview]
Message-ID: <20140604142232.GB1008@kroah.com> (raw)
In-Reply-To: <1401891371-4946-2-git-send-email-peter@hurleysoftware.com>
On Wed, Jun 04, 2014 at 10:16:11AM -0400, Peter Hurley wrote:
> When a tty is opened for the serial console, the termios c_cflag
> settings are inherited from the console line settings.
> However, if the tty is subsequently closed, the termios settings
> are lost. This results in a garbled console if the console is later
> suspended and resumed.
>
> Preserve the termios c_cflag for the serial console when the tty
> is shutdown; this reflects the most recent line settings.
>
> Fixes: Bugzilla #69751, 'serial console does not wake from S3'
> Reported-by: Valerio Vanni <valerio.vanni@inwind.it>
> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
> Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
> ---
> drivers/tty/serial/serial_core.c | 3 +++
> 1 file changed, 3 insertions(+)
Same as before, regression, or just a normal "new feature"?
greg k-h
next prev parent reply other threads:[~2014-06-04 14:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-30 9:53 serial console does not wake from S3 suspend Valerio Vanni
2014-05-30 9:53 ` Valerio Vanni
2014-06-04 14:16 ` [PATCH 1/2] serial: core: Don't drop DTR if system console Peter Hurley
2014-06-04 14:16 ` [PATCH 2/2] serial: core: Preserve termios c_cflag for console resume Peter Hurley
2014-06-04 14:22 ` Greg Kroah-Hartman [this message]
2014-06-04 14:46 ` Peter Hurley
2014-06-04 14:48 ` Peter Hurley
2014-06-04 23:31 ` Valerio Vanni
2014-06-04 23:31 ` Valerio Vanni
2014-06-05 8:58 ` Valerio Vanni
2014-06-04 14:22 ` [PATCH 1/2] serial: core: Don't drop DTR if system console Greg Kroah-Hartman
2014-06-04 14:36 ` Peter Hurley
2014-06-09 13:08 ` One Thousand Gnomes
2014-06-10 1:20 ` Peter Hurley
2014-06-10 11:01 ` One Thousand Gnomes
2014-06-10 12:30 ` Peter Hurley
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