Re: [PATCH 11/15] clk: qcom: gcc-qcs404: sort out the cxo clock

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On 17.12.2022 01:17, Dmitry Baryshkov wrote:
> The GCC driver registers the cxo clock as a thin wrapper around board's
> xo_board clock. Nowadays we can use the xo_board directly in all the
> clocks that use it. Use the fw_name "cxo" for this clock.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
With/without the .index comment in 10/15:

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
>  drivers/clk/qcom/gcc-qcs404.c | 97 +++++++++++++++--------------------
>  1 file changed, 41 insertions(+), 56 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
> index 3941175d73a5..8fb268671f0c 100644
> --- a/drivers/clk/qcom/gcc-qcs404.c
> +++ b/drivers/clk/qcom/gcc-qcs404.c
> @@ -37,14 +37,21 @@ enum {
>  	P_XO,
>  };
>  
> +static const struct parent_map gcc_parent_map_1[] = {
> +	{ P_XO, 0 },
> +};
> +
> +static const struct clk_parent_data gcc_parent_data_1[] = {
> +	{ .fw_name = "cxo", .name = "xo-board" },
> +};
> +
>  static struct clk_fixed_factor cxo = {
>  	.mult = 1,
>  	.div = 1,
>  	.hw.init = &(struct clk_init_data){
>  		.name = "cxo",
> -		.parent_data = &(const struct clk_parent_data) {
> -			.name = "xo-board",
> -		},
> +		.parent_data = gcc_parent_data_1,
> +		.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  		.num_parents = 1,
>  		.ops = &clk_fixed_factor_ops,
>  	},
> @@ -59,10 +66,8 @@ static struct clk_alpha_pll gpll0_sleep_clk_src = {
>  		.enable_is_inverted = true,
>  		.hw.init = &(struct clk_init_data){
>  			.name = "gpll0_sleep_clk_src",
> -			.parent_data = &(const struct clk_parent_data) {
> -				.hw = &cxo.hw,
> -			},
> -			.num_parents = 1,
> +			.parent_data = gcc_parent_data_1,
> +			.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  			.ops = &clk_alpha_pll_ops,
>  		},
>  	},
> @@ -77,10 +82,8 @@ static struct clk_alpha_pll gpll0_out_main = {
>  		.enable_mask = BIT(0),
>  		.hw.init = &(struct clk_init_data){
>  			.name = "gpll0_out_main",
> -			.parent_data = &(const struct clk_parent_data) {
> -				.hw = &cxo.hw,
> -			},
> -			.num_parents = 1,
> +			.parent_data = gcc_parent_data_1,
> +			.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  			.ops = &clk_alpha_pll_ops,
>  		},
>  	},
> @@ -95,10 +98,8 @@ static struct clk_alpha_pll gpll0_ao_out_main = {
>  		.enable_mask = BIT(0),
>  		.hw.init = &(struct clk_init_data){
>  			.name = "gpll0_ao_out_main",
> -			.parent_data = &(const struct clk_parent_data) {
> -				.hw = &cxo.hw,
> -			},
> -			.num_parents = 1,
> +			.parent_data = gcc_parent_data_1,
> +			.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  			.flags = CLK_IS_CRITICAL,
>  			.ops = &clk_alpha_pll_fixed_ops,
>  		},
> @@ -113,10 +114,8 @@ static struct clk_alpha_pll gpll1_out_main = {
>  		.enable_mask = BIT(1),
>  		.hw.init = &(struct clk_init_data){
>  			.name = "gpll1_out_main",
> -			.parent_data = &(const struct clk_parent_data) {
> -				.hw = &cxo.hw,
> -			},
> -			.num_parents = 1,
> +			.parent_data = gcc_parent_data_1,
> +			.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  			.ops = &clk_alpha_pll_ops,
>  		},
>  	},
> @@ -146,10 +145,8 @@ static struct clk_alpha_pll gpll3_out_main = {
>  	.clkr = {
>  		.hw.init = &(struct clk_init_data){
>  			.name = "gpll3_out_main",
> -			.parent_data = &(const struct clk_parent_data) {
> -				.hw = &cxo.hw,
> -			},
> -			.num_parents = 1,
> +			.parent_data = gcc_parent_data_1,
> +			.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  			.ops = &clk_alpha_pll_ops,
>  		},
>  	},
> @@ -163,10 +160,8 @@ static struct clk_alpha_pll gpll4_out_main = {
>  		.enable_mask = BIT(5),
>  		.hw.init = &(struct clk_init_data){
>  			.name = "gpll4_out_main",
> -			.parent_data = &(const struct clk_parent_data) {
> -				.hw = &cxo.hw,
> -			},
> -			.num_parents = 1,
> +			.parent_data = gcc_parent_data_1,
> +			.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  			.ops = &clk_alpha_pll_ops,
>  		},
>  	},
> @@ -182,10 +177,8 @@ static struct clk_pll gpll6 = {
>  	.status_bit = 17,
>  	.clkr.hw.init = &(struct clk_init_data){
>  		.name = "gpll6",
> -		.parent_data = &(const struct clk_parent_data) {
> -			.hw = &cxo.hw,
> -		},
> -		.num_parents = 1,
> +		.parent_data = gcc_parent_data_1,
> +		.num_parents = ARRAY_SIZE(gcc_parent_data_1),
>  		.ops = &clk_pll_ops,
>  	},
>  };
> @@ -209,23 +202,15 @@ static const struct parent_map gcc_parent_map_0[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_0[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_ao_0[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_ao_out_main.clkr.hw },
>  };
>  
> -static const struct parent_map gcc_parent_map_1[] = {
> -	{ P_XO, 0 },
> -};
> -
> -static const struct clk_parent_data gcc_parent_data_1[] = {
> -	{ .hw = &cxo.hw },
> -};
> -
>  static const struct parent_map gcc_parent_map_2[] = {
>  	{ P_XO, 0 },
>  	{ P_GPLL0_OUT_MAIN, 1 },
> @@ -234,7 +219,7 @@ static const struct parent_map gcc_parent_map_2[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_2[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	{ .hw = &gpll6_out_aux.hw },
>  	{ .fw_name = "sleep_clk", .name = "sleep_clk" },
> @@ -247,7 +232,7 @@ static const struct parent_map gcc_parent_map_3[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_3[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	{ .hw = &gpll6_out_aux.hw },
>  };
> @@ -258,7 +243,7 @@ static const struct parent_map gcc_parent_map_4[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_4[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll1_out_main.clkr.hw },
>  };
>  
> @@ -269,7 +254,7 @@ static const struct parent_map gcc_parent_map_5[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_5[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .fw_name = "dsi0pllbyte", .name = "dsi0pllbyte" },
>  	/* "gpll0_out_aux", */
>  };
> @@ -281,7 +266,7 @@ static const struct parent_map gcc_parent_map_6[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_6[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .fw_name = "dsi0pllbyte", .name = "dsi0pllbyte" },
>  	/* "gpll0_out_aux", */
>  };
> @@ -295,7 +280,7 @@ static const struct parent_map gcc_parent_map_7[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_7[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	{ .hw = &gpll3_out_main.clkr.hw },
>  	{ .hw = &gpll6_out_aux.hw },
> @@ -308,7 +293,7 @@ static const struct parent_map gcc_parent_map_8[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_8[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .fw_name = "hdmi_pll", .name = "hdmi_pll" },
>  };
>  
> @@ -320,7 +305,7 @@ static const struct parent_map gcc_parent_map_9[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_9[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	{ .fw_name = "dsi0pll", .name = "dsi0pll" },
>  	{ .hw = &gpll6_out_aux.hw },
> @@ -332,7 +317,7 @@ static const struct parent_map gcc_parent_map_10[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_10[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .fw_name = "sleep_clk", .name = "sleep_clk" },
>  };
>  
> @@ -342,7 +327,7 @@ static const struct parent_map gcc_parent_map_11[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_11[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .fw_name = "pcie_0_pipe_clk", .name = "pcie_0_pipe_clk" },
>  };
>  
> @@ -353,7 +338,7 @@ static const struct parent_map gcc_parent_map_12[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_12[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .fw_name = "dsi0pll", .name = "dsi0pll" },
>  	/* "gpll0_out_aux", */
>  };
> @@ -366,7 +351,7 @@ static const struct parent_map gcc_parent_map_13[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_13[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	{ .hw = &gpll4_out_main.clkr.hw },
>  	{ .hw = &gpll6_out_aux.hw },
> @@ -379,7 +364,7 @@ static const struct parent_map gcc_parent_map_14[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_14[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	/* "gpll4_out_aux", */
>  };
> @@ -390,7 +375,7 @@ static const struct parent_map gcc_parent_map_15[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_15[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	/* "gpll0_out_aux", */
>  };
>  
> @@ -401,7 +386,7 @@ static const struct parent_map gcc_parent_map_16[] = {
>  };
>  
>  static const struct clk_parent_data gcc_parent_data_16[] = {
> -	{ .hw = &cxo.hw },
> +	{ .fw_name = "cxo", .name = "xo-board" },
>  	{ .hw = &gpll0_out_main.clkr.hw },
>  	/* "gpll0_out_aux", */
>  };



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