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authorDave Airlie <airlied@redhat.com>2020-03-31 15:15:47 +1000
committerDave Airlie <airlied@redhat.com>2020-03-31 15:15:47 +1000
commit5fc0df93fccd4dc8412bfc488ba4ba8268aa12dc (patch)
tree6091ced63dbba747619762470ebba2298676ea0d /drivers/iio/trigger
parent700d6ab987f3b5e28b13b5993e5a9a975c5604e2 (diff)
parent7111951b8d4973bda27ff663f2cf18b663d15b48 (diff)
Merge v5.6 into drm-next
msm needed rc6, so I just went and merged release (msm has been in drm-next outside of this tree) Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/iio/trigger')
-rw-r--r--drivers/iio/trigger/stm32-timer-trigger.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
index 2e0d32aa8436..2f82e8c32186 100644
--- a/drivers/iio/trigger/stm32-timer-trigger.c
+++ b/drivers/iio/trigger/stm32-timer-trigger.c
@@ -161,7 +161,8 @@ static int stm32_timer_start(struct stm32_timer_trigger *priv,
return 0;
}
-static void stm32_timer_stop(struct stm32_timer_trigger *priv)
+static void stm32_timer_stop(struct stm32_timer_trigger *priv,
+ struct iio_trigger *trig)
{
u32 ccer, cr1;
@@ -179,6 +180,12 @@ static void stm32_timer_stop(struct stm32_timer_trigger *priv)
regmap_write(priv->regmap, TIM_PSC, 0);
regmap_write(priv->regmap, TIM_ARR, 0);
+ /* Force disable master mode */
+ if (stm32_timer_is_trgo2_name(trig->name))
+ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS2, 0);
+ else
+ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS, 0);
+
/* Make sure that registers are updated */
regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG);
}
@@ -197,7 +204,7 @@ static ssize_t stm32_tt_store_frequency(struct device *dev,
return ret;
if (freq == 0) {
- stm32_timer_stop(priv);
+ stm32_timer_stop(priv, trig);
} else {
ret = stm32_timer_start(priv, trig, freq);
if (ret)