linux-kernel - Re: [PATCH 2/5] regulator: st-flashss: Add a regulator driver for flashss vsense.

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Message-ID: <20160414152530.GH18024@sirena.org.uk>
Date:	Thu, 14 Apr 2016 16:25:30 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Giuseppe CAVALLARO <peppe.cavallaro@...com>
Cc:	Peter Griffin <peter.griffin@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	lgirdwood@...il.com, srinivas.kandagatla@...il.com,
	maxime.coquelin@...com, patrice.chotard@...com,
	lee.jones@...aro.org, devicetree@...r.kernel.org,
	Youssef TRIKI <youssef.triki@...com>
Subject: Re: [PATCH 2/5] regulator: st-flashss: Add a regulator driver for
 flashss vsense.

On Thu, Apr 14, 2016 at 04:15:34PM +0200, Giuseppe CAVALLARO wrote:
> On 4/13/2016 7:23 PM, Mark Brown wrote:

> 	/*
> 	 * After resetting, the CONFIG_REG_PSW_<xxx> are set, this
> 	 * means 3v3 operating voltage.
> 	 * The CONFIG_LATCHED_PSW_<xxx> must be used to fix the previous
> 	 * bits so operating at 1v8 if this is the real HW configuration
> 	 * at boot time.
> 	 */
> 	if (!(value & TOP_VSENSE_CONFIG_LATCHED_PSW_EMMC))
> 		value &= ~TOP_VSENSE_CONFIG_REG_PSW_EMMC;

That's definitely better.

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