On 12/15/20 3:54 AM, Neil Armstrong wrote: > 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>
Tested-by: Jaehoon Chung <jh80.ch...@samsung.com> Reviewed-by: Jaehoon Chung <jh80.ch...@samsung.com> >