On 14/12/2020 12:24, Marek Szyprowski wrote: > The driver skips hardware initialization if it is already configured by > the earlier bootloader stage (BL30). Skip the initialization only if the > hardware is really initialized and enabled. > > Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com> > Change-Id: I3e2e2d270ad3e7e7f38e2bc3ce2a924a47b164af
Ditto > --- > drivers/adc/meson-saradc.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/adc/meson-saradc.c b/drivers/adc/meson-saradc.c > index 998cef24d88..ce7ae990ad0 100644 > --- a/drivers/adc/meson-saradc.c > +++ b/drivers/adc/meson-saradc.c > @@ -512,8 +512,11 @@ static int meson_saradc_init(struct meson_saradc_priv > *priv) > * reading the temperature sensor. > */ > regmap_read(priv->regmap, MESON_SAR_ADC_REG3, ®val); > - if (regval & MESON_SAR_ADC_REG3_BL30_INITIALIZED) > - return 0; > + if (regval & MESON_SAR_ADC_REG3_BL30_INITIALIZED) { > + regmap_read(priv->regmap, MESON_SAR_ADC_REG3, ®val); > + if (regval & MESON_SAR_ADC_REG3_ADC_EN) > + return 0; > + } > > meson_saradc_stop_sample_engine(priv); > > Reviewed-by: Neil Armstrong <narmstr...@baylibre.com>