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Date:   Wed, 17 May 2023 13:57:56 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Hongyu Xie <xiehongyu1@kylinos.cn>
Cc:     linux@armlinux.org.uk, jirislaby@kernel.org,
        linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
        xy521521@gmail.com
Subject: Re: [RFC PATCH -next] tty: serial: add panic serial helper
Message-ID: <2023051739-ouch-pound-7b1c@gregkh>
References: <20230517101403.232594-1-xiehongyu1@kylinos.cn>
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On Wed, May 17, 2023 at 06:14:03PM +0800, Hongyu Xie wrote:
> --- /dev/null
> +++ b/drivers/tty/serial/panic_serial_helper.h
> @@ -0,0 +1,12 @@
> +/* SPDX-License-Identifier: GPL
> + *
> + * panic_serial_helper.h Debug through uart when panic.
> + *
> + * Copyright (C) 2023 Xie Hongyu <xiehongyu1@kylinos.cn>
> + *
> + * Inspired by kgdboc.
> + */
> +#ifndef __PANIC_SERIAL_HELPER_H
> +#define __PANIC_SERIAL_HELPER_H
> +/*TODO*/
> +#endif /* __PANIC_SERIAL_HELPER_H */

A whole file that does nothing?

confused,

greg k-h