linux-kernel - Re: [PATCH] driver/i2c/mux: Add register based mux i2c-mux-reg

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Message-ID: <55818BAB.5090605@nokia.com>
Date:	Wed, 17 Jun 2015 17:00:59 +0200
From:	Alexander Sverdlin <alexander.sverdlin@...ia.com>
To:	ext Paul Bolle <pebolle@...cali.nl>,
	York Sun <yorksun@...escale.com>
Cc:	wsa@...-dreams.de, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org,
	Peter Korsgaard <peter.korsgaard@...co.com>
Subject: Re: [PATCH] driver/i2c/mux: Add register based mux i2c-mux-reg

Hi!

On 17/06/15 10:54, ext Paul Bolle wrote:
>> +MODULE_ALIAS("platform:i2c-mux-reg");
> As far as I understand it, this alias is only useful if there's a
> corresponding struct platform_device, somewhere. Ie, this alias needs a
> platform_device that will fire of a "MODALIAS=platform:i2c-mux-reg"
> uevent when it's created. (I don't know exactly how all that works, so
> I'm handwaving quite a bit here.) That would be platform_device with a
> "i2c-mux-reg" name.
> 
> Did I get this right? Because then I think this MODULE_ALIAS() isn't
> needed, as I couldn't find such a corresponding platform_device.

You do not see the platform_device, because there are no users yet, put
this MODULE_ALIAS() is perfectly fine, it will allow automatic module loading
in non-DT case.

-- 
Best regards,
Alexander Sverdlin.
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