Re: [PATCH V3 6/6] clk: qcom: gcc-qdu1000: Update the RCGs ops

[Imran Shaik <quic_imrashai@xxxxxxxxxxx>]

On 7/6/2023 7:46 PM, Dmitry Baryshkov wrote:
> On 06/07/2023 13:50, Imran Shaik wrote:
> > Update the SDCC clock RCG ops to floor_ops to avoid overclocking issues
>
> Split, please.

Sure, will split this patch in next series.

> > and remaining RCGs to shared_ops to park them at safe clock(XO) during
> > disable.
>
> Why are you doing this, is there any issue? Previously we had only a 
> several clocks implemented this way, which were really shared with other 
> subsystems (this is the where name _shared_ops comes from).

From our clock hardware side, the expectation is to park the RCGs at XO 
for most of the clocks and the shared_ops is the closest implementation 
for the same. Hence updating the RCG ops to clk_rcg2_shared_ops.

Thanks,
Imran

> > Co-developed-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> > Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> > Signed-off-by: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> > ---
> > Changes since v2:
> >   - None
> > Changes since v1:
> >   - Newly added
> >
> >   drivers/clk/qcom/gcc-qdu1000.c | 62 +++++++++++++++++-----------------
> >   1 file changed, 31 insertions(+), 31 deletions(-)
> >
> > diff --git a/drivers/clk/qcom/gcc-qdu1000.c 
> > b/drivers/clk/qcom/gcc-qdu1000.c
> > index 718c34dca6e8..de35cdc93732 100644
> > --- a/drivers/clk/qcom/gcc-qdu1000.c
> > +++ b/drivers/clk/qcom/gcc-qdu1000.c
> > @@ -475,7 +475,7 @@ static struct clk_rcg2 
> > gcc_aggre_noc_ecpri_dma_clk_src = {
> >           .name = "gcc_aggre_noc_ecpri_dma_clk_src",
> >           .parent_data = gcc_parent_data_4,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_4),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -495,7 +495,7 @@ static struct clk_rcg2 
> > gcc_aggre_noc_ecpri_gsi_clk_src = {
> >           .name = "gcc_aggre_noc_ecpri_gsi_clk_src",
> >           .parent_data = gcc_parent_data_5,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_5),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -514,7 +514,7 @@ static struct clk_rcg2 gcc_gp1_clk_src = {
> >           .name = "gcc_gp1_clk_src",
> >           .parent_data = gcc_parent_data_1,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_1),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -528,7 +528,7 @@ static struct clk_rcg2 gcc_gp2_clk_src = {
> >           .name = "gcc_gp2_clk_src",
> >           .parent_data = gcc_parent_data_1,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_1),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -542,7 +542,7 @@ static struct clk_rcg2 gcc_gp3_clk_src = {
> >           .name = "gcc_gp3_clk_src",
> >           .parent_data = gcc_parent_data_1,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_1),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -561,7 +561,7 @@ static struct clk_rcg2 gcc_pcie_0_aux_clk_src = {
> >           .name = "gcc_pcie_0_aux_clk_src",
> >           .parent_data = gcc_parent_data_3,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_3),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -581,7 +581,7 @@ static struct clk_rcg2 
> > gcc_pcie_0_phy_rchng_clk_src = {
> >           .name = "gcc_pcie_0_phy_rchng_clk_src",
> >           .parent_data = gcc_parent_data_0,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -600,7 +600,7 @@ static struct clk_rcg2 gcc_pdm2_clk_src = {
> >           .name = "gcc_pdm2_clk_src",
> >           .parent_data = gcc_parent_data_0,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -622,7 +622,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s0_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s0_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s0_clk_src = {
> > @@ -638,7 +638,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s1_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s1_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s1_clk_src = {
> > @@ -654,7 +654,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s2_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s2_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s2_clk_src = {
> > @@ -670,7 +670,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s3_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s3_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s3_clk_src = {
> > @@ -686,7 +686,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s4_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s4_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s4_clk_src = {
> > @@ -707,7 +707,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s5_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s5_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s5_clk_src = {
> > @@ -723,7 +723,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s6_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s6_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s6_clk_src = {
> > @@ -739,7 +739,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap0_s7_clk_src_init = {
> >       .name = "gcc_qupv3_wrap0_s7_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap0_s7_clk_src = {
> > @@ -755,7 +755,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s0_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s0_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s0_clk_src = {
> > @@ -771,7 +771,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s1_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s1_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s1_clk_src = {
> > @@ -787,7 +787,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s2_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s2_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s2_clk_src = {
> > @@ -803,7 +803,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s3_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s3_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s3_clk_src = {
> > @@ -819,7 +819,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s4_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s4_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s4_clk_src = {
> > @@ -835,7 +835,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s5_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s5_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s5_clk_src = {
> > @@ -851,7 +851,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s6_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s6_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s6_clk_src = {
> > @@ -867,7 +867,7 @@ static struct clk_init_data 
> > gcc_qupv3_wrap1_s7_clk_src_init = {
> >       .name = "gcc_qupv3_wrap1_s7_clk_src",
> >       .parent_data = gcc_parent_data_0,
> >       .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -    .ops = &clk_rcg2_ops,
> > +    .ops = &clk_rcg2_shared_ops,
> >   };
> >   static struct clk_rcg2 gcc_qupv3_wrap1_s7_clk_src = {
> > @@ -903,7 +903,7 @@ static struct clk_rcg2 gcc_sdcc5_apps_clk_src = {
> >           .name = "gcc_sdcc5_apps_clk_src",
> >           .parent_data = gcc_parent_data_8,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_8),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_floor_ops,
> >       },
> >   };
> > @@ -922,7 +922,7 @@ static struct clk_rcg2 gcc_sdcc5_ice_core_clk_src = {
> >           .name = "gcc_sdcc5_ice_core_clk_src",
> >           .parent_data = gcc_parent_data_2,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_2),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_floor_ops,
> >       },
> >   };
> > @@ -936,7 +936,7 @@ static struct clk_rcg2 gcc_sm_bus_xo_clk_src = {
> >           .name = "gcc_sm_bus_xo_clk_src",
> >           .parent_data = gcc_parent_data_2,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_2),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -955,7 +955,7 @@ static struct clk_rcg2 gcc_tsc_clk_src = {
> >           .name = "gcc_tsc_clk_src",
> >           .parent_data = gcc_parent_data_9,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_9),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -975,7 +975,7 @@ static struct clk_rcg2 
> > gcc_usb30_prim_master_clk_src = {
> >           .name = "gcc_usb30_prim_master_clk_src",
> >           .parent_data = gcc_parent_data_0,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -989,7 +989,7 @@ static struct clk_rcg2 
> > gcc_usb30_prim_mock_utmi_clk_src = {
> >           .name = "gcc_usb30_prim_mock_utmi_clk_src",
> >           .parent_data = gcc_parent_data_0,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_0),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };
> > @@ -1003,7 +1003,7 @@ static struct clk_rcg2 
> > gcc_usb3_prim_phy_aux_clk_src = {
> >           .name = "gcc_usb3_prim_phy_aux_clk_src",
> >           .parent_data = gcc_parent_data_3,
> >           .num_parents = ARRAY_SIZE(gcc_parent_data_3),
> > -        .ops = &clk_rcg2_ops,
> > +        .ops = &clk_rcg2_shared_ops,
> >       },
> >   };