linux-kernel - Re: [PATCH v3 02/12] ALSA: ac97: add an ac97 bus

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Message-ID: <87bmp0t2lv.fsf@belgarion.home>
Date:   Tue, 04 Jul 2017 21:37:48 +0200
From:   Robert Jarzmik <robert.jarzmik@...e.fr>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     "Dmitry Torokhov" <dmitry.torokhov@...il.com>,
        "Haojian Zhuang" <haojian.zhuang@...il.com>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        "Mark Brown" <broonie@...nel.org>,
        "Lee Jones" <lee.jones@...aro.org>,
        "Lars-Peter Clausen" <lars@...afoo.de>,
        "Charles Keepax" <ckeepax@...nsource.wolfsonmicro.com>,
        "Jaroslav Kysela" <perex@...ex.cz>,
        "Daniel Mack" <daniel@...que.org>, <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <patches@...nsource.wolfsonmicro.com>,
        <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 02/12] ALSA: ac97: add an ac97 bus

Takashi Iwai <tiwai@...e.de> writes:

> On Fri, 30 Jun 2017 21:43:58 +0200,
> Robert Jarzmik wrote:
>> +static struct bus_type ac97_bus_type = {
>> +	.name		= "ac97",
>
> Name-conflict with the old ac97 bus?
Yeah, fair point. So what should I choose for this new one ?
 - ac97new
 - ac97bis
 - ac97_2
 - ac97reborn

>> +static int __init ac97_bus_init(void)
>> +{
>> +	return bus_register(&ac97_bus_type);
>> +}
>> +subsys_initcall(ac97_bus_init);
>> +
>> +MODULE_LICENSE("GPL");
>> +MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik@...e.fr>");
>
> No bus_unregister() at exit?
Mmmh, that's because I used subsys_initcall(), which doesn't look good in a
module compilation setup. That will require a module_init(), and I will think
about how to implement it and test it for next iteration.

Cheers.

-- 
Robert