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Date:   Mon, 15 Apr 2019 10:57:17 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Pascal PAILLET-LME <p.paillet@st.com>
Cc:     "lgirdwood@gmail.com" <lgirdwood@gmail.com>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "mark.rutland@arm.com" <mark.rutland@arm.com>,
        "mcoquelin.stm32@gmail.com" <mcoquelin.stm32@gmail.com>,
        Alexandre TORGUE <alexandre.torgue@st.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "linux-stm32@st-md-mailman.stormreply.com" 
        <linux-stm32@st-md-mailman.stormreply.com>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 2/2] regulator: Add support for stm32 power regulators
Message-ID: <20190415095717.GA6880@sirena.org.uk>
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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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