linux-kernel - Re: [PATCH] clk: qcom: sc8280xp: add parent to gcc_ufs_phy_axi

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Message-ID: <YrXo+i3wwl2ERKIj@xps13>
Date:   Fri, 24 Jun 2022 12:40:26 -0400
From:   Brian Masney <bmasney@...hat.com>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     bjorn.andersson@...aro.org, linux-arm-msm@...r.kernel.org,
        agross@...nel.org, mturquette@...libre.com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        ahalaney@...hat.com, echanude@...hat.com
Subject: Re: [PATCH] clk: qcom: sc8280xp: add parent to gcc_ufs_phy_axi_clk
 for sa8540p

On Thu, Jun 23, 2022 at 05:20:53PM -0700, Stephen Boyd wrote:
> Quoting Brian Masney (2022-06-23 07:28:37)
> > diff --git a/drivers/clk/qcom/gcc-sc8280xp.c b/drivers/clk/qcom/gcc-sc8280xp.c
> > index 4b894442fdf5..4639b50da418 100644
> > --- a/drivers/clk/qcom/gcc-sc8280xp.c
> > +++ b/drivers/clk/qcom/gcc-sc8280xp.c
> > @@ -5696,6 +5709,7 @@ static struct clk_branch gcc_ufs_phy_axi_clk = {
> >                 .hw.init = &(const struct clk_init_data) {
> >                         .name = "gcc_ufs_phy_axi_clk",
> >                         .parent_hws = (const struct clk_hw*[]){
> > +                               &gcc_ufs_ref_clkref_clk.clkr.hw,
> >                                 &gcc_ufs_phy_axi_clk_src.clkr.hw,
> >                         },
> >                         .num_parents = 1,
> 
> num_parents needs an update. 

Oops!

> But this is a branch, not a mux, so it can't have more than one
> parent.

Would a mux be represented with 'struct clk_rcg2'?

Brian