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SubjectRe: [PATCH v6 2/5] clk: qcom: Add LUCID_EVO PLL type for SDX65
On Thu, Dec 02, 2021 at 04:18:43PM -0800, Stephen Boyd wrote:
> Quoting quic_vamslank@quicinc.com (2021-12-01 16:21:32)
> > diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
> > index eaedcceb766f..e0c67b76d8ac 100644
> > --- a/drivers/clk/qcom/clk-alpha-pll.c
> > +++ b/drivers/clk/qcom/clk-alpha-pll.c
> > @@ -1741,35 +1760,47 @@ static int alpha_pll_lucid_5lpe_set_rate(struct clk_hw *hw, unsigned long rate,
> > LUCID_5LPE_ALPHA_PLL_ACK_LATCH);
> > }
> >
> > +static int __clk_lucid_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate,
> > + unsigned long parent_rate, unsigned long enable_vote_run)
> > +{
> > + struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw);
> > + struct regmap *regmap = pll->clkr.regmap;
>
> What's going on with the tabbing here?

Yes, actually i used a tab instead of space here. I will correct it.

>
> > + int i, val = 0, div, ret;
>
> Do we need to initialize to 0?

Not needed. Will remove.

>
> > + u32 mask;
> > +
> > + /*
> > + * If the PLL is in FSM mode, then treat set_rate callback as a
> > + * no-operation.
> > + */
> > + ret = regmap_read(regmap, PLL_USER_CTL(pll), &val);
> > + if (ret)
> > + return ret;
> > +
> > + if (val & enable_vote_run)
> > + return 0;
> > +
> > + if (!pll->post_div_table) {
> > + pr_err("Missing the post_div_table for the PLL\n");
>
> Probably useful to know which PLL is missing a table here.

I think that's a good idea on returning which PLL is missing a table.


Thanks,
Vamsi

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