linux-kernel - Re: [PATCH v2] mxs-auart: count FIFO overrun errors

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Message-ID: <CAOMZO5B1dtHXKfHy1swRYPBQKX5Sw4KpmjZEPqr+nS64HudWJQ@mail.gmail.com>
Date:   Wed, 16 Nov 2016 09:47:30 -0200
From:   Fabio Estevam <festevam@...il.com>
To:     Wolfgang Ocker <weo@...coware.de>
Cc:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>
Subject: Re: [PATCH v2] mxs-auart: count FIFO overrun errors

On Wed, Nov 16, 2016 at 9:37 AM, Wolfgang Ocker <weo@...coware.de> wrote:
> The mxs-auart driver does not count FIFO overrun errors. These errors never
> appear in /proc/tty/driver/ttyAPP. This is because the OERR status bit is
> masked by read_status_mask in the rx interrupt function, but the
> AUART_STAT_OERR bit is never set in read_status_mask. The patch enables the
> counting of overrun errors.
>
> Signed-off-by: Wolfgang Ocker <weo@...coware.de>

Reviewed-by: Fabio Estevam <fabio.estevam@....com>