Re: [PATCH v1] Bluetooth: hci_qca: Enable clocks required for BT SOC

[Stephen Boyd <swboyd@chromium.org>]

Quoting Balakrishna Godavarthi (2019-11-14 00:14:30)
> @@ -1423,6 +1427,20 @@ static int qca_power_off(struct hci_dev *hdev)
>         return 0;
>  }
>  
> +static int qca_power_on(struct qca_serdev *qcadev)
> +{
> +       int err;
> +
> +       if (qcadev->susclk) {

clk_prepare_enable() shouldn't return anything besides 0 when passed a
NULL pointer. Please drop this if condition in addition to the one on
the clk_disable_unprepare().

> +               err = clk_prepare_enable(qcadev->susclk);
> +               if (err)
> +                       return err;
> +       }