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| author | James Morris <james.morris@microsoft.com> | 2018-03-23 08:26:16 +1100 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2018-03-23 08:26:16 +1100 |
| commit | 5893ed18a26d1f56b97c0290b0cbbc2d49d6de28 (patch) | |
| tree | 97aa931519fca28a0a12fad7485347198f8267cc /drivers/iio/adc/stm32-adc.c | |
| parent | 7bd698b3c04e61ee9e03d4c2a55003f75df14dca (diff) | |
| parent | c698ca5278934c0ae32297a8725ced2e27585d7f (diff) | |
Merge tag 'v4.16-rc6' into next-general
Merge to Linux 4.16-rc6 at the request of Jarkko, for his TPM updates.
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; |