Re: [PATCH 2/4] clk: qcom: rpmh: reuse common duplicate clocks

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On Wed, 30 Nov 2022 at 00:07, Alex Elder <elder@xxxxxxxxxx> wrote:
>
> On 11/29/22 4:10 AM, Dmitry Baryshkov wrote:
> > After the grouping it is obvious that some of the clock definitions are
> > pure duplicates. Rename them to use a single common name for the clock.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> This looks good.  One observation below.
>
> Reviewed-by: Alex Elder <elder@xxxxxxxxxx>
>
> > ---
> >   drivers/clk/qcom/clk-rpmh.c | 24 +++++++++---------------
> >   1 file changed, 9 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
> > index f13c9bd610d0..c4852bbd00bf 100644
> > --- a/drivers/clk/qcom/clk-rpmh.c
> > +++ b/drivers/clk/qcom/clk-rpmh.c
> > @@ -350,9 +350,7 @@ DEFINE_CLK_RPMH_ARC(sm6350, qlink, qlink_ao, "qphy.lvl", 0x1, 4);
> >   DEFINE_CLK_RPMH_VRM(sm8250, ln_bb_clk1, ln_bb_clk1_ao, "lnbclka1", 2);
> >   DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 2);
> >   DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2);
> > -DEFINE_CLK_RPMH_VRM(sc8280xp, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2);
> >
> > -DEFINE_CLK_RPMH_VRM(sdx65, ln_bb_clk1, ln_bb_clk1_ao, "lnbclka1", 4);
> >   DEFINE_CLK_RPMH_VRM(sm8450, ln_bb_clk1, ln_bb_clk1_ao, "lnbclka1", 4);
> >   DEFINE_CLK_RPMH_VRM(sm8450, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 4);
> >
> > @@ -362,7 +360,6 @@ DEFINE_CLK_RPMH_VRM(sm6350, ln_bb_clk3, ln_bb_clk3_ao, "lnbclkg3", 4);
> >   DEFINE_CLK_RPMH_VRM(sdm845, rf_clk1, rf_clk1_ao, "rfclka1", 1);
> >   DEFINE_CLK_RPMH_VRM(sdm845, rf_clk2, rf_clk2_ao, "rfclka2", 1);
> >   DEFINE_CLK_RPMH_VRM(sdm845, rf_clk3, rf_clk3_ao, "rfclka3", 1);
> > -DEFINE_CLK_RPMH_VRM(sm8150, rf_clk3, rf_clk3_ao, "rfclka3", 1);
>
> So the above one was never used?  (The sdm845 one was already
> used instead.)

Yes, see the commit f5790382edef ("clk: qcom: rpmh: Reuse sdm845 clks
for sm8150") which rewired sm8150 to use sdm845 and removed all sm8150
duplicate clocks except this one.

>
> >   DEFINE_CLK_RPMH_VRM(sm8350, rf_clk4, rf_clk4_ao, "rfclka4", 1);
> >   DEFINE_CLK_RPMH_VRM(sm8350, rf_clk5, rf_clk5_ao, "rfclka5", 1);
> >
> > @@ -370,14 +367,11 @@ DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk1, rf_clk1_ao, "rfclkd1", 1);
> >   DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk2, rf_clk2_ao, "rfclkd2", 1);
> >   DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk3, rf_clk3_ao, "rfclkd3", 1);
> >   DEFINE_CLK_RPMH_VRM(sc8180x, rf_clk4, rf_clk4_ao, "rfclkd4", 1);
> > -DEFINE_CLK_RPMH_VRM(sdx55, rf_clk1, rf_clk1_ao, "rfclkd1", 1);
> > -DEFINE_CLK_RPMH_VRM(sdx55, rf_clk2, rf_clk2_ao, "rfclkd2", 1);
> >
> >   DEFINE_CLK_RPMH_VRM(sm8350, div_clk1, div_clk1_ao, "divclka1", 2);
> >
> >   DEFINE_CLK_RPMH_BCM(sdm845, ipa, "IP0");
> >   DEFINE_CLK_RPMH_BCM(sdm845, ce, "CE0");
> > -DEFINE_CLK_RPMH_BCM(sdx55, ipa, "IP0");
> >   DEFINE_CLK_RPMH_BCM(sdx55, qpic_clk, "QP0");
> >   DEFINE_CLK_RPMH_BCM(sm8350, pka, "PKA0");
> >   DEFINE_CLK_RPMH_BCM(sm8350, hwkm, "HK0");
> > @@ -427,12 +421,12 @@ static const struct clk_rpmh_desc clk_rpmh_sdm670 = {
> >   static struct clk_hw *sdx55_rpmh_clocks[] = {
> >       [RPMH_CXO_CLK]          = &sdm845_bi_tcxo.hw,
> >       [RPMH_CXO_CLK_A]        = &sdm845_bi_tcxo_ao.hw,
> > -     [RPMH_RF_CLK1]          = &sdx55_rf_clk1.hw,
> > -     [RPMH_RF_CLK1_A]        = &sdx55_rf_clk1_ao.hw,
> > -     [RPMH_RF_CLK2]          = &sdx55_rf_clk2.hw,
> > -     [RPMH_RF_CLK2_A]        = &sdx55_rf_clk2_ao.hw,
> > +     [RPMH_RF_CLK1]          = &sc8180x_rf_clk1.hw,
> > +     [RPMH_RF_CLK1_A]        = &sc8180x_rf_clk1_ao.hw,
> > +     [RPMH_RF_CLK2]          = &sc8180x_rf_clk2.hw,
> > +     [RPMH_RF_CLK2_A]        = &sc8180x_rf_clk2_ao.hw,
> >       [RPMH_QPIC_CLK]         = &sdx55_qpic_clk.hw,
> > -     [RPMH_IPA_CLK]          = &sdx55_ipa.hw,
> > +     [RPMH_IPA_CLK]          = &sdm845_ipa.hw,
> >   };
> >
> >   static const struct clk_rpmh_desc clk_rpmh_sdx55 = {
> > @@ -549,8 +543,8 @@ static const struct clk_rpmh_desc clk_rpmh_sm8350 = {
> >   static struct clk_hw *sc8280xp_rpmh_clocks[] = {
> >       [RPMH_CXO_CLK]          = &sdm845_bi_tcxo.hw,
> >       [RPMH_CXO_CLK_A]        = &sdm845_bi_tcxo_ao.hw,
> > -     [RPMH_LN_BB_CLK3]       = &sc8280xp_ln_bb_clk3.hw,
> > -     [RPMH_LN_BB_CLK3_A]     = &sc8280xp_ln_bb_clk3_ao.hw,
> > +     [RPMH_LN_BB_CLK3]       = &sdm845_ln_bb_clk3.hw,
> > +     [RPMH_LN_BB_CLK3_A]     = &sdm845_ln_bb_clk3_ao.hw,
> >       [RPMH_IPA_CLK]          = &sdm845_ipa.hw,
> >       [RPMH_PKA_CLK]          = &sm8350_pka.hw,
> >       [RPMH_HWKM_CLK]         = &sm8350_hwkm.hw,
> > @@ -624,8 +618,8 @@ static const struct clk_rpmh_desc clk_rpmh_sm6350 = {
> >   static struct clk_hw *sdx65_rpmh_clocks[] = {
> >       [RPMH_CXO_CLK]          = &sc7280_bi_tcxo.hw,
> >       [RPMH_CXO_CLK_A]        = &sc7280_bi_tcxo_ao.hw,
> > -     [RPMH_LN_BB_CLK1]       = &sdx65_ln_bb_clk1.hw,
> > -     [RPMH_LN_BB_CLK1_A]     = &sdx65_ln_bb_clk1_ao.hw,
> > +     [RPMH_LN_BB_CLK1]       = &sm8450_ln_bb_clk1.hw,
> > +     [RPMH_LN_BB_CLK1_A]     = &sm8450_ln_bb_clk1_ao.hw,
> >       [RPMH_RF_CLK1]          = &sdm845_rf_clk1.hw,
> >       [RPMH_RF_CLK1_A]        = &sdm845_rf_clk1_ao.hw,
> >       [RPMH_RF_CLK2]          = &sdm845_rf_clk2.hw,
>


-- 
With best wishes
Dmitry



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