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Date:   Mon, 15 Apr 2019 10:57:17 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Pascal PAILLET-LME <p.paillet@...com>
Cc:     "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/2] regulator: Add support for stm32 power regulators

On Mon, Apr 15, 2019 at 09:17:38AM +0000, Pascal PAILLET-LME wrote:

> +int stm32_pwr_reg_is_ready(struct regulator_dev *rdev)
> +{
> +	struct stm32_pwr_reg *priv = rdev_get_drvdata(rdev);
> +	u32 val;
> +
> +	val = readl_relaxed(priv->base + REG_PWR_CR3);
> +
> +	return (val & priv->ready_mask);
> +}

You should probably add a get_status() callback using this.

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