Re: [PATCH v3 3/3] clk: qcom: lpasscc-sc7180: Re-configure the PLL in case lost

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Quoting Douglas Anderson (2020-10-14 14:05:23)
> diff --git a/drivers/clk/qcom/lpasscorecc-sc7180.c b/drivers/clk/qcom/lpasscorecc-sc7180.c
> index 48d370e2108e..e12d4c2b1b70 100644
> --- a/drivers/clk/qcom/lpasscorecc-sc7180.c
> +++ b/drivers/clk/qcom/lpasscorecc-sc7180.c
> @@ -388,6 +388,25 @@ static int lpass_create_pm_clks(struct platform_device *pdev)
>         return ret;
>  }
>  
> +static int lpass_core_cc_pm_clk_resume(struct device *dev)
> +{
> +       struct regmap *regmap = dev_get_regmap(dev, "lpass_core_cc");

Please make "lpass_core_cc" a static const pointer in this driver so
that it can be used here and when the regmap is made so that we're
certain they match.

> +       unsigned int l_val;
> +       int ret;
> +
> +       ret = pm_clk_resume(dev);
> +       if (ret)
> +               return ret;
> +
> +       /* If PLL_L_VAL was cleared then we should re-init the whole PLL */
> +       regmap_read(regmap, 0x1004, &l_val);
> +       if (!l_val)
> +               clk_fabia_pll_configure(&lpass_lpaaudio_dig_pll, regmap,
> +                               &lpass_lpaaudio_dig_pll_config);
> +
> +       return 0;
> +}
> +
>  static int lpass_core_cc_sc7180_probe(struct platform_device *pdev)
>  {
>         const struct qcom_cc_desc *desc;




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