iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iio: adc: stm32-adc: add debug info if dt uses legacy channel config

Browse Source 
Since nearly all stm32 dt's are using the legacy adc channel config,
we should warn users about using it.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20230421083858.2613289-1-sean@geanix.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Sean Nyekjaer 2023-04-21 10:38:58 +02:00 committed by Jonathan Cameron
parent 5b24fdd991
commit 7b0d54ae76
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/iio/adc/stm32-adc.c
View File

@ -1993,6 +1993,8 @@ static int stm32_adc_get_legacy_chan_count(struct iio_dev *indio_dev, struct stm
const struct stm32_adc_info *adc_info = adc->cfg->adc_info;
int num_channels = 0, ret;
dev_dbg(&indio_dev->dev, "using legacy channel config\n");
ret = device_property_count_u32(dev, "st,adc-channels");
if (ret > adc_info->max_channels) {
dev_err(&indio_dev->dev, "Bad st,adc-channels?\n");