Re: [PATCH V2 2/5] clk: qcom: gcc-qdu1000: Fix gcc_pcie_0_pipe_clk_src clock handling

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On 28.06.2023 11:28, Imran Shaik wrote:
> Fix the gcc_pcie_0_pipe_clk_src clock handling for QDU1000 and
> QRU1000 SoCs.
> 
> Fixes: 1c9efb0bc040 ("clk: qcom: Add QDU1000 and QRU1000 GCC support")
> Co-developed-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> Signed-off-by: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
> ---You could have explained that clk_regmap_phy_mux_ops doesn't implement
any parent-related ops and switches parents implicitly in .enable/disable

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

Konrad
> Changes since v1:
>  - Newly added
> 
>  drivers/clk/qcom/gcc-qdu1000.c | 23 ++++++-----------------
>  1 file changed, 6 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-qdu1000.c b/drivers/clk/qcom/gcc-qdu1000.c
> index 5051769ad90c..c00d26a3e6df 100644
> --- a/drivers/clk/qcom/gcc-qdu1000.c
> +++ b/drivers/clk/qcom/gcc-qdu1000.c
> @@ -1,6 +1,6 @@
>  // SPDX-License-Identifier: GPL-2.0-only
>  /*
> - * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
> + * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
>   */
>  
>  #include <linux/clk-provider.h>
> @@ -370,16 +370,6 @@ static const struct clk_parent_data gcc_parent_data_6[] = {
>  	{ .index = DT_TCXO_IDX },
>  };
>  
> -static const struct parent_map gcc_parent_map_7[] = {
> -	{ P_PCIE_0_PIPE_CLK, 0 },
> -	{ P_BI_TCXO, 2 },
> -};
> -
> -static const struct clk_parent_data gcc_parent_data_7[] = {
> -	{ .index = DT_PCIE_0_PIPE_CLK_IDX },
> -	{ .index = DT_TCXO_IDX },
> -};
> -
>  static const struct parent_map gcc_parent_map_8[] = {
>  	{ P_BI_TCXO, 0 },
>  	{ P_GCC_GPLL0_OUT_MAIN, 1 },
> @@ -439,16 +429,15 @@ static struct clk_regmap_mux gcc_pcie_0_phy_aux_clk_src = {
>  	},
>  };
>  
> -static struct clk_regmap_mux gcc_pcie_0_pipe_clk_src = {
> +static struct clk_regmap_phy_mux gcc_pcie_0_pipe_clk_src = {
>  	.reg = 0x9d064,
> -	.shift = 0,
> -	.width = 2,
> -	.parent_map = gcc_parent_map_7,
>  	.clkr = {
>  		.hw.init = &(const struct clk_init_data) {
>  			.name = "gcc_pcie_0_pipe_clk_src",
> -			.parent_data = gcc_parent_data_7,
> -			.num_parents = ARRAY_SIZE(gcc_parent_data_7),
> +			.parent_data = &(const struct clk_parent_data){
> +				.index = DT_PCIE_0_PIPE_CLK_IDX,
> +			},
> +			.num_parents = 1,
>  			.ops = &clk_regmap_phy_mux_ops,
>  		},
>  	},



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