linux-kernel - Re: [PATCH v4 5/6] clk: qcom: lpassaudiocc-sc7280: Merge lpasscc into lpass

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Message-ID: <bc9361a0-8177-e85b-f52c-c3d018c2b910@linaro.org>
Date:   Thu, 19 Jan 2023 12:24:57 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        swboyd@...omium.org, agross@...nel.org, andersson@...nel.org,
        robh+dt@...nel.org, broonie@...nel.org, quic_plai@...cinc.com,
        krzysztof.kozlowski+dt@...aro.org, konrad.dybcio@...ainline.org,
        mturquette@...libre.com, sboyd@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_rohkumar@...cinc.com
Subject: Re: [PATCH v4 5/6] clk: qcom: lpassaudiocc-sc7280: Merge lpasscc into
 lpass_aon

On 19/01/2023 10:27, Srinivasa Rao Mandadapu wrote:
> Merge lpasscc clocks into lpass_aon clk_regmap structure as they
> are using same register space.
> In existing implementation, lpasscc clocks and lpass_aon clocks are
> being registered exclusively and overlapping if both of them are
> to be used.
> This is required to avoid such overlapping and to register
> lpasscc clocks and lpass_aon clocks simultaneously.
> 
> Fixes: 0cbcfbe50cbf ("clk: qcom: lpass: Handle the regmap overlap of lpasscc and lpass_aon")

I don't think this is suitable.

> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> Tested-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
> ---
>  drivers/clk/qcom/lpassaudiocc-sc7280.c | 20 ++------------------
>  1 file changed, 2 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/clk/qcom/lpassaudiocc-sc7280.c b/drivers/clk/qcom/lpassaudiocc-sc7280.c
> index 1339f92..18f7a50 100644
> --- a/drivers/clk/qcom/lpassaudiocc-sc7280.c
> +++ b/drivers/clk/qcom/lpassaudiocc-sc7280.c
> @@ -642,11 +642,6 @@ static struct gdsc lpass_aon_cc_lpass_audio_hm_gdsc = {
>  	.flags = RETAIN_FF_ENABLE,
>  };
>  
> -static struct clk_regmap *lpass_cc_sc7280_clocks[] = {
> -	[LPASS_Q6SS_AHBM_CLK] = &lpass_q6ss_ahbm_clk.clkr,
> -	[LPASS_Q6SS_AHBS_CLK] = &lpass_q6ss_ahbs_clk.clkr,
> -};

This is now an ABI break because these IDs will stop working.
Additionally it is an ABI break marked for backporting to v6.1...

Best regards,
Krzysztof