Commit eaefa151 authored by Eugen Hristev's avatar Eugen Hristev Committed by Jonathan Cameron
Browse files

iio: adc: at91-sama5d2_adc: initialize hardware after clock is started 



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: default avatarEugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/20210901123013.329792-3-eugen.hristev@microchip.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent f9286706

drivers/iio/adc/at91-sama5d2_adc.c

+2 −2
Original line number Diff line number Diff line
@@ -1833,12 +1833,12 @@ 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);