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Date:   Tue, 21 Nov 2023 20:00:09 +0200
From:   Andy Shevchenko <andriy.shevchenko@intel.com>
To:     Tony Lindgren <tony@atomide.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jiri Slaby <jirislaby@kernel.org>,
        Petr Mladek <pmladek@suse.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        John Ogness <john.ogness@linutronix.de>,
        Sergey Senozhatsky <senozhatsky@chromium.org>,
        "David S . Miller" <davem@davemloft.net>,
        Dhruva Gole <d-gole@ti.com>,
        Ilpo =?iso-8859-1?Q?J=E4rvinen?= <ilpo.jarvinen@linux.intel.com>,
        Johan Hovold <johan@kernel.org>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH v3 3/3] serial: core: Move console character device
 handling from printk
Message-ID: <ZVzwKeALJ4swIdj0@smile.fi.intel.com>
References: <20231121113203.61341-1-tony@atomide.com>
 <20231121113203.61341-4-tony@atomide.com>
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On Tue, Nov 21, 2023 at 01:31:57PM +0200, Tony Lindgren wrote:
> There's no need for console_setup() to try to figure out the console
> character device name for serial ports early on before uart_add_one_port()
> has been called. And for early debug console we have earlycon.
> 
> Let's handle the serial port specific commandline options in the serial
> core subsystem and drop the handling from printk. The serial core
> subsystem can just call add_preferred_console() when the serial port is
> getting initialized.
> 
> Note that eventually we may want to set up driver specific console quirk
> handling for the serial port device drivers to use. But we need to figure
> out which driver(s) need to call the quirk. So for now, we just move the
> sparc quirk and handle it directly.

...

> +	ret = add_preferred_console_match(name, drv->dev_name, port->line);
> +	if (ret && ret != -ENOENT)
> +		return ret;
> +
> +	return 0;

2nd time and so on, perhaps deserves a helper?

static inline int add_preferred_console...(...)
{
	int ret;

	ret = add_preferred_console_match(name, drv->dev_name, port->line);
	if (ret == -ENOENT)
		return 0;
	return ret;

}

?

-- 
With Best Regards,
Andy Shevchenko