linux-kernel - Re: [patch v2 6/6] staging: speakup: flush tty buffers and ensure hardware flow control

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Message-ID: <20170516120038.GA5813@kroah.com>
Date:   Tue, 16 May 2017 14:00:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Okash Khawaja <okash.khawaja@...il.com>
Cc:     Jiri Slaby <jslaby@...e.com>,
        Samuel Thibault <samuel.thibault@...-lyon.org>,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        Kirk Reiser <kirk@...sers.ca>, speakup@...ux-speakup.org,
        John Covici <covici@....covici.com>,
        Chris Brannon <chris@...-brannons.com>
Subject: Re: [patch v2 6/6] staging: speakup: flush tty buffers and ensure
 hardware flow control

On Mon, May 15, 2017 at 06:45:37PM +0100, Okash Khawaja wrote:
> This patch fixes the issue where TTY-migrated synths would take a while to shut up after hitting numpad enter key. When calling synth_flush, even though XOFF character is sent as high priority, data buffered in TTY layer is still sent to the synth. This patch flushes that buffered data when synth_flush is called.

Minor nit, please line-wrap your changelog text at 72 columns so that I
don't have to do it "by hand".

> 
> It also tries to ensure that hardware flow control is enabled, by setting CRTSCTS using tty's termios.
> 
> Reported-by: John Covici <covici@....covici.com>
> Signed-off-by: Okash Khawaja <okash.khawaja@...il.com>
> Reviewed-by: Samuel Thibault <samuel.thibault@...-lyon.org>
> 
> Index: linux-staging/drivers/staging/speakup/serialio.c
> ===================================================================

Are you using git?  These lines are odd...

thanks,

greg k-h