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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-09 12:33:40 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-17 13:54:26 +0100
commit265028b8d989a47e9ef996e3dc178eb63127661f (patch)
treeca7d0f51589028b7cfc362928c0adb4d7f1a2ec5
parent2d082b6ed26472342beb23ec275c8531afb502b2 (diff)
iio: adc: stm32-adc: Use pm_runtime_resume_and_get() to replace open coding.
Found using coccicheck script under review at: https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@inria.fr/ This is a prequel to taking a closer look at the runtime pm in IIO drivers in general. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/20210509113354.660190-15-jic23@kernel.org
-rw-r--r--drivers/iio/adc/stm32-adc.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index c9d36c88ee6a..5088de835bb1 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -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) {