On Wed, Nov 10, 2010 at 11:06:22AM +0100, Bengt Jonsson wrote:
quoted text
> Supply regulators are disabled only when the last
> reference count is removed on the child regulator
> (the use count goes from 1 to 0). This patch changes
> the behaviour of enable so the supply regulator is
> enabled only when the use count of the child
> regulator goes from 0 to 1.

Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

quoted text
> +	if (rdev->use_count == 0) {
> +		/* do we need to enable the supply regulator first */
> +		if (rdev->supply) {

This'd be a bit neater (and less invasive) as a single if statement with
&&.
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