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path: root/drivers/iio/adc/stm32-adc.c
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Diffstat (limited to 'drivers/iio/adc/stm32-adc.c')
-rw-r--r--drivers/iio/adc/stm32-adc.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index b25386b19373..5088de835bb1 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -449,7 +449,7 @@ static const struct stm32_adc_regspec stm32h7_adc_regspec = {
.smp_bits = stm32h7_smp_bits,
};
-/**
+/*
* STM32 ADC registers access routines
* @adc: stm32 adc instance
* @reg: reg offset in adc instance
@@ -851,7 +851,7 @@ static int stm32h7_adc_restore_selfcalib(struct iio_dev *indio_dev)
return 0;
}
-/**
+/*
* Fixed timeout value for ADC calibration.
* worst cases:
* - low clock frequency
@@ -1158,11 +1158,9 @@ static int stm32_adc_single_conv(struct iio_dev *indio_dev,
adc->bufi = 0;
- ret = pm_runtime_get_sync(dev);
- if (ret < 0) {
- pm_runtime_put_noidle(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
return ret;
- }
/* Apply sampling time settings */
stm32_adc_writel(adc, regs->smpr[0], adc->smpr_val[0]);
@@ -1364,11 +1362,9 @@ static int stm32_adc_update_scan_mode(struct iio_dev *indio_dev,
struct device *dev = indio_dev->dev.parent;
int ret;
- ret = pm_runtime_get_sync(dev);
- if (ret < 0) {
- pm_runtime_put_noidle(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
return ret;
- }
adc->num_conv = bitmap_weight(scan_mask, indio_dev->masklength);
@@ -1413,11 +1409,9 @@ static int stm32_adc_debugfs_reg_access(struct iio_dev *indio_dev,
struct device *dev = indio_dev->dev.parent;
int ret;
- ret = pm_runtime_get_sync(dev);
- if (ret < 0) {
- pm_runtime_put_noidle(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
return ret;
- }
if (!readval)
stm32_adc_writel(adc, reg, writeval);
@@ -1537,11 +1531,9 @@ static int stm32_adc_buffer_postenable(struct iio_dev *indio_dev)
struct device *dev = indio_dev->dev.parent;
int ret;
- ret = pm_runtime_get_sync(dev);
- if (ret < 0) {
- pm_runtime_put_noidle(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
return ret;
- }
ret = stm32_adc_set_trig(indio_dev, indio_dev->trig);
if (ret) {