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path: root/drivers/iio/adc/rcar-gyroadc.c
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Diffstat (limited to 'drivers/iio/adc/rcar-gyroadc.c')
-rw-r--r--drivers/iio/adc/rcar-gyroadc.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c
index 63ce743ee7af..27d9e147b4b7 100644
--- a/drivers/iio/adc/rcar-gyroadc.c
+++ b/drivers/iio/adc/rcar-gyroadc.c
@@ -162,18 +162,13 @@ static const struct iio_chan_spec rcar_gyroadc_iio_channels_3[] = {
static int rcar_gyroadc_set_power(struct rcar_gyroadc *priv, bool on)
{
struct device *dev = priv->dev;
- int ret;
if (on) {
- ret = pm_runtime_get_sync(dev);
- if (ret < 0)
- pm_runtime_put_noidle(dev);
+ return pm_runtime_resume_and_get(dev);
} else {
pm_runtime_mark_last_busy(dev);
- ret = pm_runtime_put_autosuspend(dev);
+ return pm_runtime_put_autosuspend(dev);
}
-
- return ret;
}
static int rcar_gyroadc_read_raw(struct iio_dev *indio_dev,
@@ -357,7 +352,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
num_channels = ARRAY_SIZE(rcar_gyroadc_iio_channels_3);
break;
default:
- return -EINVAL;
+ goto err_e_inval;
}
/*
@@ -374,7 +369,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
dev_err(dev,
"Failed to get child reg property of ADC \"%pOFn\".\n",
child);
- return ret;
+ goto err_of_node_put;
}
/* Channel number is too high. */
@@ -382,7 +377,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
dev_err(dev,
"Only %i channels supported with %pOFn, but reg = <%i>.\n",
num_channels, child, reg);
- return -EINVAL;
+ goto err_e_inval;
}
}
@@ -391,7 +386,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
dev_err(dev,
"Channel %i uses different ADC mode than the rest.\n",
reg);
- return -EINVAL;
+ goto err_e_inval;
}
/* Channel is valid, grab the regulator. */
@@ -401,7 +396,8 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
if (IS_ERR(vref)) {
dev_dbg(dev, "Channel %i 'vref' supply not connected.\n",
reg);
- return PTR_ERR(vref);
+ ret = PTR_ERR(vref);
+ goto err_of_node_put;
}
priv->vref[reg] = vref;
@@ -425,8 +421,10 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
* attached to the GyroADC at a time, so if we found it,
* we can stop parsing here.
*/
- if (childmode == RCAR_GYROADC_MODE_SELECT_1_MB88101A)
+ if (childmode == RCAR_GYROADC_MODE_SELECT_1_MB88101A) {
+ of_node_put(child);
break;
+ }
}
if (first) {
@@ -435,6 +433,12 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
}
return 0;
+
+err_e_inval:
+ ret = -EINVAL;
+err_of_node_put:
+ of_node_put(child);
+ return ret;
}
static void rcar_gyroadc_deinit_supplies(struct iio_dev *indio_dev)
@@ -495,12 +499,9 @@ static int rcar_gyroadc_probe(struct platform_device *pdev)
return PTR_ERR(priv->regs);
priv->clk = devm_clk_get(dev, "fck");
- if (IS_ERR(priv->clk)) {
- ret = PTR_ERR(priv->clk);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to get IF clock (ret=%i)\n", ret);
- return ret;
- }
+ if (IS_ERR(priv->clk))
+ return dev_err_probe(dev, PTR_ERR(priv->clk),
+ "Failed to get IF clock\n");
ret = rcar_gyroadc_parse_subdevs(indio_dev);
if (ret)
@@ -510,14 +511,11 @@ static int rcar_gyroadc_probe(struct platform_device *pdev)
if (ret)
return ret;
- priv->model = (enum rcar_gyroadc_model)
- of_device_get_match_data(&pdev->dev);
+ priv->model = (uintptr_t)of_device_get_match_data(&pdev->dev);
platform_set_drvdata(pdev, indio_dev);
indio_dev->name = DRIVER_NAME;
- indio_dev->dev.parent = dev;
- indio_dev->dev.of_node = pdev->dev.of_node;
indio_dev->info = &rcar_gyroadc_iio_info;
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -531,7 +529,10 @@ static int rcar_gyroadc_probe(struct platform_device *pdev)
pm_runtime_use_autosuspend(dev);
pm_runtime_enable(dev);
- pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret)
+ goto err_power_up;
+
rcar_gyroadc_hw_init(priv);
rcar_gyroadc_hw_start(priv);
@@ -548,6 +549,7 @@ static int rcar_gyroadc_probe(struct platform_device *pdev)
err_iio_device_register:
rcar_gyroadc_hw_stop(priv);
pm_runtime_put_sync(dev);
+err_power_up:
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
clk_disable_unprepare(priv->clk);
@@ -575,7 +577,6 @@ static int rcar_gyroadc_remove(struct platform_device *pdev)
return 0;
}
-#if defined(CONFIG_PM)
static int rcar_gyroadc_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -595,10 +596,9 @@ static int rcar_gyroadc_resume(struct device *dev)
return 0;
}
-#endif
static const struct dev_pm_ops rcar_gyroadc_pm_ops = {
- SET_RUNTIME_PM_OPS(rcar_gyroadc_suspend, rcar_gyroadc_resume, NULL)
+ RUNTIME_PM_OPS(rcar_gyroadc_suspend, rcar_gyroadc_resume, NULL)
};
static struct platform_driver rcar_gyroadc_driver = {
@@ -607,7 +607,7 @@ static struct platform_driver rcar_gyroadc_driver = {
.driver = {
.name = DRIVER_NAME,
.of_match_table = rcar_gyroadc_match,
- .pm = &rcar_gyroadc_pm_ops,
+ .pm = pm_ptr(&rcar_gyroadc_pm_ops),
},
};