linux-kernel - Re: [PATCH V2 2/2] regulator: mt6323: Add support for MT6323 regulator

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Message-ID: <CABxcv=kWnUwpCo=JJbnPAARRM226YfBJw_6yF7MiE8-7iqBD+Q@mail.gmail.com>
Date:	Mon, 25 Jan 2016 09:11:39 -0300
From:	Javier Martinez Canillas <javier@...hile0.org>
To:	John Crispin <blogic@...nwrt.org>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Steven Liu <steven.liu@...iatek.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Henry Chen <henryc.chen@...iatek.com>,
	linux-mediatek@...ts.infradead.org,
	Matthias Brugger <matthias.bgg@...il.com>,
	Chen Zhong <chen.zhong@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH V2 2/2] regulator: mt6323: Add support for MT6323 regulator

Hello,

On Mon, Jan 25, 2016 at 7:40 AM, John Crispin <blogic@...nwrt.org> wrote:
> From: Chen Zhong <chen.zhong@...iatek.com>

[snip]

> +}
> +
> +static struct platform_driver mt6323_regulator_driver = {
> +       .driver = {
> +               .name = "mt6323-regulator",
> +       },
> +       .probe = mt6323_regulator_probe,
> +};
> +

You don't have a .of_match table but according the DT bindings, the
compatible string "mediatek,mt6323-regulator" should be used so there
should be a OF match table or the vendor prefix of the compatible
string won't be used for matching (i.e: fallbacks to the driver .name
for match).

> +module_platform_driver(mt6323_regulator_driver);
> +
> +MODULE_AUTHOR("Chen Zhong <chen.zhong@...iatek.com>");
> +MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6397 PMIC");
> +MODULE_LICENSE("GPL");
> +MODULE_ALIAS("platform:mt6323-regulator");

This alias should not be needed if you provide a OF match table and a
MODULE_DEVICE_TABLE(of, foo);

Best regards,
Javier