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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-11-08 12:15:50 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-11-08 12:15:50 +0100 |
| commit | 4e37fd4d5dfd39f547b0b00fa184a440a1e44b96 (patch) | |
| tree | 1f2a678cce5422703aa376ab3506f430d51f89da /drivers/iio/trigger/stm32-timer-trigger.c | |
| parent | 7943bfaeb6bbbf595df4bd4087f5b890761c4898 (diff) | |
| parent | 0759e80b84e34a84e7e46e2b1adb528c83d84a47 (diff) | |
Merge branch 'pm-qos' into pm-cpuidle
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; } |