summaryrefslogtreecommitdiff
path: root/drivers/iio/trigger/stm32-timer-trigger.c
diff options
context:
space:
mode:
authorWolfram Sang <wsa@the-dreams.de>2017-10-26 22:24:15 +0200
committerWolfram Sang <wsa@the-dreams.de>2017-10-26 22:24:15 +0200
commit3990bedea6e96cb1f182dbeadd62215dbb9e1c85 (patch)
tree90ac0ab8ae1d4339dc17eb42a853042ea06d6b13 /drivers/iio/trigger/stm32-timer-trigger.c
parent631de7a4603439eaa1d7a2a1a7b5b49edcd87f67 (diff)
parent3997fb74846f35d0364c5e88e54bc9b166d5a1bc (diff)
Merge branch 'i2c-mux/for-next' of https://github.com/peda-r/i2c-mux into i2c/for-4.15
This cycle has been real quiet for me. There's only the one trivial patch that somewhat simplifies DT parsing in the i2c-mux-reg driver.
Diffstat (limited to 'drivers/iio/trigger/stm32-timer-trigger.c')
-rw-r--r--drivers/iio/trigger/stm32-timer-trigger.c4
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;
}