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charset="utf-8" Use pm_runtime_resume_and_get() in mpu3050_read_raw() and mpu3050_buffer_preenable(), adding proper error handling. In preenable, call pm_runtime_put_autosuspend() if set_8khz_samplerate() fails since postdisable won't be called on preenable failure. Signed-off-by: Antoniu Miclaus Reviewed-by: Linus Walleij --- drivers/iio/gyro/mpu3050-core.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-cor= e.c index ee2fcd20545d..1cc421eb4782 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -322,7 +322,9 @@ static int mpu3050_read_raw(struct iio_dev *indio_dev, } case IIO_CHAN_INFO_RAW: /* Resume device */ - pm_runtime_get_sync(mpu3050->dev); + ret =3D pm_runtime_resume_and_get(mpu3050->dev); + if (ret) + return ret; mutex_lock(&mpu3050->lock); =20 ret =3D mpu3050_set_8khz_samplerate(mpu3050); @@ -647,12 +649,19 @@ static irqreturn_t mpu3050_trigger_handler(int irq, v= oid *p) static int mpu3050_buffer_preenable(struct iio_dev *indio_dev) { struct mpu3050 *mpu3050 =3D iio_priv(indio_dev); + int ret; =20 - pm_runtime_get_sync(mpu3050->dev); + ret =3D pm_runtime_resume_and_get(mpu3050->dev); + if (ret) + return ret; =20 /* Unless we have OUR trigger active, run at full speed */ - if (!mpu3050->hw_irq_trigger) - return mpu3050_set_8khz_samplerate(mpu3050); + if (!mpu3050->hw_irq_trigger) { + ret =3D mpu3050_set_8khz_samplerate(mpu3050); + if (ret) + pm_runtime_put_autosuspend(mpu3050->dev); + return ret; + } =20 return 0; } --=20 2.43.0