return ret;
}
-static int meson_sar_adc_hw_disable(struct iio_dev *indio_dev)
+static void meson_sar_adc_hw_disable(struct iio_dev *indio_dev)
{
struct meson_sar_adc_priv *priv = iio_priv(indio_dev);
int ret;
+ /*
+ * If taking the lock fails we have to assume that BL30 is broken. The
+ * best we can do then is to release the resources anyhow.
+ */
ret = meson_sar_adc_lock(indio_dev);
if (ret)
- return ret;
+ dev_err(indio_dev->dev.parent, "Failed to lock ADC (%pE)\n", ERR_PTR(ret));
clk_disable_unprepare(priv->adc_clk);
regulator_disable(priv->vref);
- meson_sar_adc_unlock(indio_dev);
-
- return 0;
+ if (!ret)
+ meson_sar_adc_unlock(indio_dev);
}
static irqreturn_t meson_sar_adc_irq(int irq, void *data)
iio_device_unregister(indio_dev);
- return meson_sar_adc_hw_disable(indio_dev);
+ meson_sar_adc_hw_disable(indio_dev);
+
+ return 0;
}
static int meson_sar_adc_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- return meson_sar_adc_hw_disable(indio_dev);
+ meson_sar_adc_hw_disable(indio_dev);
+
+ return 0;
}
static int meson_sar_adc_resume(struct device *dev)