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Date:   Thu, 9 Sep 2021 16:35:37 +0200
From:   Wolfram Sang <wsa@kernel.org>
To:     Ulrich Hecht <uli+renesas@fpond.eu>
Cc:     linux-renesas-soc@vger.kernel.org, linux-serial@vger.kernel.org,
        geert@linux-m68k.org, yoshihiro.shimoda.uh@renesas.com,
        gregkh@linuxfoundation.org, jirislaby@kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] serial: sh-sci: fix break handling for sysrq
Message-ID: <YTobuY6QL9e7dyIK@shikoro>
Mail-Followup-To: Wolfram Sang <wsa@kernel.org>,
        Ulrich Hecht <uli+renesas@fpond.eu>,
        linux-renesas-soc@vger.kernel.org, linux-serial@vger.kernel.org,
        geert@linux-m68k.org, yoshihiro.shimoda.uh@renesas.com,
        gregkh@linuxfoundation.org, jirislaby@kernel.org,
        linux-kernel@vger.kernel.org
References: <20210816162201.28801-1-uli+renesas@fpond.eu>
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On Mon, Aug 16, 2021 at 06:22:01PM +0200, Ulrich Hecht wrote:
> This fixes two issues that cause the sysrq sequence to be inadvertently
> aborted on SCIF serial consoles:
>=20
> - a NUL character remains in the RX queue after a break has been detected,
>   which is then passed on to uart_handle_sysrq_char()
> - the break interrupt is handled twice on controllers with multiplexed ERI
>   and BRI interrupts
>=20
> Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>

For the record:

Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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