From 7b0d54ae76e3c6e4f0222c5af3e3d7531f62b58e Mon Sep 17 00:00:00 2001 From: Sean Nyekjaer Date: Fri, 21 Apr 2023 10:38:58 +0200 Subject: [PATCH] iio: adc: stm32-adc: add debug info if dt uses legacy channel config 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 Link: https://lore.kernel.org/r/20230421083858.2613289-1-sean@geanix.com Signed-off-by: Jonathan Cameron --- drivers/iio/adc/stm32-adc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 1aadb2ad2cab..e179b6611e4d 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -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"); -- 2.39.5