Hi,
Juergen Beisert writes:
> diff --git a/drivers/staging/iio/adc/mxs-lradc.c
> b/drivers/staging/iio/adc/mxs-lradc.c
> index a08c173..00b61ac 100644
> --- a/drivers/staging/iio/adc/mxs-lradc.c
> +++ b/drivers/staging/iio/adc/mxs-lradc.c
> @@ -35,6 +35,7 @@
> #include <linux/completion.h>
> #include <linux/delay.h>
> #include <linux/input.h>
> +#include <linux/clk.h>
>
> #include <linux/iio/iio.h>
> #include <linux/iio/buffer.h>
> @@ -134,6 +135,8 @@ struct mxs_lradc {
> void __iomem *base;
> int irq[13];
>
> + struct clk *clk;
> +
> uint32_t *buffer;
> struct iio_trigger *trig;
>
> @@ -928,6 +931,9 @@ static int mxs_lradc_probe(struct platform_device *pdev)
> if (IS_ERR(lradc->base))
> return PTR_ERR(lradc->base);
>
> + lradc->clk = devm_clk_get(&pdev->dev, NULL);
> + clk_prepare_enable(lradc->clk);
> +
Wouldn't it make sense to enable the clock only when the device is
opened to save power while not actually in use?
Lothar Waßmann
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