The hw_init hardware init call must happen after the clock is prepared and enabled. Otherwise, writing to the registers might lead to a block or external abort.
Signed-off-by: Eugen Hristev <[email protected]> --- drivers/iio/adc/at91-sama5d2_adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index a7826f097b95..63325f037f09 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1832,12 +1832,12 @@ static int at91_adc_probe(struct platform_device *pdev) goto vref_disable; } - at91_adc_hw_init(indio_dev); - ret = clk_prepare_enable(st->per_clk); if (ret) goto vref_disable; + at91_adc_hw_init(indio_dev); + platform_set_drvdata(pdev, indio_dev); ret = at91_adc_buffer_and_trigger_init(&pdev->dev, indio_dev); -- 2.25.1
