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Date: Wed, 28 Jun 2023 13:08:48 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Imran Shaik <quic_imrashai@...cinc.com>,
Andy Gross <agross@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Taniya Das <quic_tdas@...cinc.com>,
Melody Olvera <quic_molvera@...cinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Jagadeesh Kona <quic_jkona@...cinc.com>,
Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
Ajit Pandey <quic_ajipan@...cinc.com>
Subject: Re: [PATCH V2 5/5] clk: qcom: gcc-qdu1000: Update the RCGs ops
On 28.06.2023 11:28, Imran Shaik wrote:
> Update the SDCC clock RCG ops to floor_ops to avoid overclocking issues
> and remaining RCGs to shared_ops to park them at safe clock(XO) during
> disable.
>
> Co-developed-by: Taniya Das <quic_tdas@...cinc.com>
> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
> Signed-off-by: Imran Shaik <quic_imrashai@...cinc.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Konrad
> 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,
> },
> };
>
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