aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio/adc/stm32-dfsdm-adc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc/stm32-dfsdm-adc.c')
-rw-r--r--drivers/iio/adc/stm32-dfsdm-adc.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index b28a716a23b2..fcd4a1c00ca0 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -8,11 +8,11 @@
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
-#include <linux/interrupt.h>
+#include <linux/iio/adc/stm32-dfsdm-adc.h>
#include <linux/iio/buffer.h>
#include <linux/iio/hw-consumer.h>
-#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
+#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
@@ -254,7 +254,8 @@ static int stm32_dfsdm_start_filter(struct stm32_dfsdm *dfsdm,
DFSDM_CR1_RSWSTART(1));
}
-static void stm32_dfsdm_stop_filter(struct stm32_dfsdm *dfsdm, unsigned int fl_id)
+static void stm32_dfsdm_stop_filter(struct stm32_dfsdm *dfsdm,
+ unsigned int fl_id)
{
/* Disable conversion */
regmap_update_bits(dfsdm->regmap, DFSDM_CR1(fl_id),
@@ -338,7 +339,7 @@ static int stm32_dfsdm_channel_parse_of(struct stm32_dfsdm *dfsdm,
"st,adc-channel-types", chan_idx,
&of_str);
if (!ret) {
- val = stm32_dfsdm_str2val(of_str, stm32_dfsdm_chan_type);
+ val = stm32_dfsdm_str2val(of_str, stm32_dfsdm_chan_type);
if (val < 0)
return val;
} else {
@@ -350,7 +351,7 @@ static int stm32_dfsdm_channel_parse_of(struct stm32_dfsdm *dfsdm,
"st,adc-channel-clk-src", chan_idx,
&of_str);
if (!ret) {
- val = stm32_dfsdm_str2val(of_str, stm32_dfsdm_chan_src);
+ val = stm32_dfsdm_str2val(of_str, stm32_dfsdm_chan_src);
if (val < 0)
return val;
} else {
@@ -1104,7 +1105,6 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
char *name;
int ret, irq, val;
-
dev_data = of_device_get_match_data(dev);
iio = devm_iio_device_alloc(dev, sizeof(*adc));
if (!iio) {
@@ -1122,8 +1122,8 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, adc);
ret = of_property_read_u32(dev->of_node, "reg", &adc->fl_id);
- if (ret != 0) {
- dev_err(dev, "Missing reg property\n");
+ if (ret != 0 || adc->fl_id >= adc->dfsdm->num_fls) {
+ dev_err(dev, "Missing or bad reg property\n");
return -EINVAL;
}
@@ -1172,7 +1172,6 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
if (ret < 0)
goto err_cleanup;
- dev_err(dev, "of_platform_populate\n");
if (dev_data->type == DFSDM_AUDIO) {
ret = of_platform_populate(np, NULL, NULL, dev);
if (ret < 0) {