diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2017-11-15 16:56:11 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2017-11-15 16:56:11 -0800 |
| commit | 4247f24c23589bcc3bc3490515ef8c9497e9ae55 (patch) | |
| tree | 89726a0e171c443a3e8def2992b56dbd8a21df21 /drivers/iio/trigger/stm32-timer-trigger.c | |
| parent | 79ab67ede21f536851a99ea68ee6fc1f5435e055 (diff) | |
| parent | 9f586fff6574f6ecbf323f92d44ffaf0d96225fe (diff) | |
Merge branch 'for-4.15/dax' into libnvdimm-for-nextlibnvdimm-for-4.15
Diffstat (limited to 'drivers/iio/trigger/stm32-timer-trigger.c')
| -rw-r--r-- | drivers/iio/trigger/stm32-timer-trigger.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c index 9b9053494daf..eb212f8c8879 100644 --- a/drivers/iio/trigger/stm32-timer-trigger.c +++ b/drivers/iio/trigger/stm32-timer-trigger.c @@ -174,6 +174,7 @@ static void stm32_timer_stop(struct stm32_timer_trigger *priv) clk_disable(priv->clk); /* Stop timer */ + regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, 0); regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, 0); regmap_write(priv->regmap, TIM_PSC, 0); regmap_write(priv->regmap, TIM_ARR, 0); @@ -715,8 +716,9 @@ static ssize_t stm32_count_set_preset(struct iio_dev *indio_dev, if (ret) return ret; + /* TIMx_ARR register shouldn't be buffered (ARPE=0) */ + regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, 0); regmap_write(priv->regmap, TIM_ARR, preset); - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, TIM_CR1_ARPE); return len; } |