linux-kernel - Re: [PATCH 1/1] clk: qcom: gcc-msm8994: Add missing clocks, resets and GDSCs

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Date:   Mon, 22 Jun 2020 01:51:42 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Konrad Dybcio <konradybcio@...il.com>, skrzynka@...radybcio.pl
Cc:     Konrad Dybcio <konradybcio@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/1] clk: qcom: gcc-msm8994: Add missing clocks, resets and GDSCs

Quoting Konrad Dybcio (2020-06-20 11:20:09)
> diff --git a/include/dt-bindings/clock/qcom,gcc-msm8994.h b/include/dt-bindings/clock/qcom,gcc-msm8994.h
> index 938969309e00..d32c3fd2500c 100644
> --- a/include/dt-bindings/clock/qcom,gcc-msm8994.h
> +++ b/include/dt-bindings/clock/qcom,gcc-msm8994.h
> @@ -106,25 +106,62 @@
>  #define GCC_GP1_CLK                            96
>  #define GCC_GP2_CLK                            97
>  #define GCC_GP3_CLK                            98
> -#define GCC_PCIE_0_AUX_CLK                     99
> -#define GCC_PCIE_0_PIPE_CLK                    100
> -#define GCC_PCIE_1_AUX_CLK                     101
> -#define GCC_PCIE_1_PIPE_CLK                    102
> -#define GCC_PDM2_CLK                           103
> -#define GCC_SDCC1_APPS_CLK                     104
> -#define GCC_SDCC2_APPS_CLK                     105
> -#define GCC_SDCC3_APPS_CLK                     106
> -#define GCC_SDCC4_APPS_CLK                     107
> -#define GCC_SYS_NOC_UFS_AXI_CLK                        108
> -#define GCC_SYS_NOC_USB3_AXI_CLK               109
> -#define GCC_TSIF_REF_CLK                       110
> -#define GCC_UFS_AXI_CLK                                111
> -#define GCC_UFS_RX_CFG_CLK                     112
> -#define GCC_UFS_TX_CFG_CLK                     113
> -#define GCC_USB30_MASTER_CLK                   114
> -#define GCC_USB30_MOCK_UTMI_CLK                        115
> -#define GCC_USB3_PHY_AUX_CLK                   116
> -#define GCC_USB_HS_SYSTEM_CLK                  117
> -#define GCC_SDCC1_AHB_CLK                      118
> +#define GCC_LPASS_Q6_AXI_CLK            99
> +#define GCC_MSS_Q6_BIMC_AXI_CLK         100
> +#define GCC_PCIE_0_AUX_CLK                     101

You can't do this. The numbers are an ABI that should not change. Just
keep tacking on new numbers and new defines instead.

> +#define GCC_PCIE_0_CFG_AHB_CLK      102
> +#define GCC_PCIE_0_MSTR_AXI_CLK     103
> +#define GCC_PCIE_0_PIPE_CLK                    104
> +#define GCC_PCIE_0_SLV_AXI_CLK      105
> +#define GCC_PCIE_1_AUX_CLK                     106