diff options
| author | Rob Herring <robh@kernel.org> | 2018-03-08 09:21:07 -0600 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2018-03-08 09:21:07 -0600 |
| commit | c679fa6e3aaa5c58fc514b5b88cfa82774b8d390 (patch) | |
| tree | 0c10b339368bd1795152a66a4e245e6f654fb3ec /drivers/iio/adc/stm32-adc.c | |
| parent | bdb7013df910681f84eff27b07791d4c160cb76f (diff) | |
| parent | 4fd98e374fd377ae0458a9dc44aa779cf9631ddd (diff) | |
Merge branch 'dtc-update' into dt/next
Diffstat (limited to 'drivers/iio/adc/stm32-adc.c')
| -rw-r--r-- | drivers/iio/adc/stm32-adc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 7f5def465340..9a2583caedaa 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -722,8 +722,6 @@ static int stm32h7_adc_enable(struct stm32_adc *adc) int ret; u32 val; - /* Clear ADRDY by writing one, then enable ADC */ - stm32_adc_set_bits(adc, STM32H7_ADC_ISR, STM32H7_ADRDY); stm32_adc_set_bits(adc, STM32H7_ADC_CR, STM32H7_ADEN); /* Poll for ADRDY to be set (after adc startup time) */ @@ -731,8 +729,11 @@ static int stm32h7_adc_enable(struct stm32_adc *adc) val & STM32H7_ADRDY, 100, STM32_ADC_TIMEOUT_US); if (ret) { - stm32_adc_clr_bits(adc, STM32H7_ADC_CR, STM32H7_ADEN); + stm32_adc_set_bits(adc, STM32H7_ADC_CR, STM32H7_ADDIS); dev_err(&indio_dev->dev, "Failed to enable ADC\n"); + } else { + /* Clear ADRDY by writing one */ + stm32_adc_set_bits(adc, STM32H7_ADC_ISR, STM32H7_ADRDY); } return ret; |