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Date:   Tue, 29 Aug 2017 19:57:19 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Fabrice Gasnier <fabrice.gasnier@...com>
Cc:     lgirdwood@...il.com, robh+dt@...nel.org, alexandre.torgue@...com,
        mark.rutland@....com, mcoquelin.stm32@...il.com,
        linux@...linux.org.uk, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH 2/3] regulator: Add support for stm32-vrefbuf

On Mon, Aug 28, 2017 at 02:58:52PM +0200, Fabrice Gasnier wrote:

> +	ret = clk_prepare_enable(priv->clk);
> +	if (ret) {
> +		dev_err(&pdev->dev, "clk prepare failed\n");

If you're printing an error include the error code, it'll help users
figure out what went wrong.

> +	dev_info(&pdev->dev, "STM32 VREFBUF initialized\n");

This is just noise, remove it.

> +static int __init stm32_vrefbuf_init(void)
> +{
> +	return platform_driver_register(&stm32_vrefbuf_driver);
> +}
> +subsys_initcall(stm32_vrefbuf_init);

Why is this at subsys_initcall()?

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