linux-kernel - Re: [PATCH v2 7/8] clk: qcom: gcc-qdu1000: Update the SDCC RCGs to use shared_floor

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Message-ID: <feb55ec8-9c90-4660-b729-e81b4fe2bd9b@oss.qualcomm.com>
Date: Fri, 28 Nov 2025 09:25:05 +0530
From: Taniya Das <taniya.das@....qualcomm.com>
To: Jagadeesh Kona <jagadeesh.kona@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd
 <sboyd@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Taniya Das <quic_tdas@...cinc.com>,
        Melody Olvera
 <quic_molvera@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik <quic_imrashai@...cinc.com>,
        Luca Weiss <luca.weiss@...rphone.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Abel Vesa <abel.vesa@...aro.org>,
        Sibi Sankar <sibi.sankar@....qualcomm.com>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: Ajit Pandey <ajit.pandey@....qualcomm.com>,
        Imran Shaik <imran.shaik@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 7/8] clk: qcom: gcc-qdu1000: Update the SDCC RCGs to
 use shared_floor_ops



On 11/27/2025 11:27 PM, Jagadeesh Kona wrote:
> Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
> during disable and the new parent configuration is programmed in
> hardware only when the new parent is enabled, avoiding cases where
> the RCG configuration fails to update.
> 
> Fixes: baa316580013 ("clk: qcom: gcc-qdu1000: Update the SDCC clock RCG ops")
> Signed-off-by: Jagadeesh Kona <jagadeesh.kona@....qualcomm.com>
> ---
>  drivers/clk/qcom/gcc-qdu1000.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-qdu1000.c b/drivers/clk/qcom/gcc-qdu1000.c
> index dbe9e9437939afbcd50759dfc21a599864278816..915bb9b4ff8130e086ad6b5bb8872c79617afee8 100644
> --- a/drivers/clk/qcom/gcc-qdu1000.c
> +++ b/drivers/clk/qcom/gcc-qdu1000.c
> @@ -904,7 +904,7 @@ 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_floor_ops,
> +		.ops = &clk_rcg2_shared_floor_ops,
>  	},
>  };
>  
> @@ -923,7 +923,7 @@ 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_floor_ops,
> +		.ops = &clk_rcg2_shared_floor_ops,
>  	},
>  };
>  
> 

Reviewed-by: Taniya Das <taniya.das@....qualcomm.com>

-- 
Thanks,
Taniya Das