linux-kernel - Re: [PATCH v2 2/6] Add the main bulk of core driver for SI476x code

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Date:	Tue, 9 Oct 2012 15:33:53 +0900
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Andrey Smirnov <andrey.smirnov@...vergeddevices.net>
Cc:	andrey.smrinov@...vergeddevices.net, hverkuil@...all.nl,
	mchehab@...hat.com, sameo@...ux.intel.com, perex@...ex.cz,
	tiwai@...e.de, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/6] Add the main bulk of core driver for SI476x code

On Fri, Oct 05, 2012 at 06:54:58PM -0700, Andrey Smirnov wrote:

> +			err = regulator_enable(core->supplies.va);
> +			if (err < 0)
> +				break;
> +			
> +			err = regulator_enable(core->supplies.vio2);
> +			if (err < 0)
> +				goto disable_va;
> +
> +			err = regulator_enable(core->supplies.vd);
> +			if (err < 0)
> +				goto disable_vio2;
> +			
> +			err = regulator_enable(core->supplies.vio1);
> +			if (err < 0)
> +				goto disable_vd;

If the sequencing is critical here you should have comments explaining
what the requirement is, otherwise this looks like a prime candidate
for conversion to regulator_bulk_enable() (and similarly for all the
other regulator usage, it appears that all the regulators are worked
with in a bulk fashion).
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