[U-Boot] [U-Boot, v2, 2/6] dm: adc: uclass: get reference regulator once

[Tom Rini]

On Tue, Jul 24, 2018 at 04:31:29PM +0200, Fabrice Gasnier wrote:

> device_get_supply_regulator() only needs to be called once.
> But each time there's call to adc_vxx_value() for instance, it calls
> adc_vxx_platdata_update() -> device_get_supply_regulator().
> 
> So, move device_get_supply_regulator() to pre_probe() routine.
> 
> This also allows vdd_supply/vss_supply to be provided directly from
> uc_pdata, e.g dt-binding variant like stm32-adc provide its own
> 'vref-supply'.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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