diff options
| author | Eugen Hristev <eugen.hristev@microchip.com> | 2021-09-01 15:30:05 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-09-14 14:00:33 +0300 |
| commit | eaefa151f48a3305cf73cbc02890eb63cdb48b16 (patch) | |
| tree | 2b679b44bbefc816cc995d661ed9040173ed97ff /drivers/iio/adc/at91-sama5d2_adc.c | |
| parent | f928670651dac9e09a8a848e0d49d0e83fbb610d (diff) | |
| download | linux-eaefa151f48a3305cf73cbc02890eb63cdb48b16.tar.xz | |
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: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/20210901123013.329792-3-eugen.hristev@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/at91-sama5d2_adc.c')
| -rw-r--r-- | drivers/iio/adc/at91-sama5d2_adc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index ea5ca163d879..1f4d461c2c18 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -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); |