Re: [PATCH v2 27/48] clk: qcom: gcc-sm6375: Use common clock controller probe data

[Bjorn Andersson <andersson@kernel.org>]

On Thu, Sep 24, 2026 at 03:06:39PM +0300, Abel Vesa wrote:
> Move the always-on branch register offsets into a critical_cbcrs array
> and describe the DFS RCGs through qcom_cc_driver_data.
> 
> Move the configuration of GPLL10, GPLL11, GPLL8 and GPLL9 into the
> clk_regs_configure callback. This preserves the existing ordering of
> enabling the always-on branches before configuring these four PLLs.

I don't see the clk_regs_configure being applied and the four
gpllNN_config definitions are dangling after this change.

(Please use "make W=1e")

I'm applying the rest of the series.

Regards,
Bjorn

> Using the alpha_plls array instead would configure the PLLs before the
> CBCR enables in the common probe path.
> 
> Use qcom_cc_probe() to perform the common initialization instead of
> open-coding it in the driver's probe.
> 
> Assisted-by: LLM
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
> ---
>  drivers/clk/qcom/gcc-sm6375.c | 46 ++++++++++++++++++++++---------------------
>  1 file changed, 24 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-sm6375.c b/drivers/clk/qcom/gcc-sm6375.c
> index 9c2acf8dc4b7..c67d4293c76b 100644
> --- a/drivers/clk/qcom/gcc-sm6375.c
> +++ b/drivers/clk/qcom/gcc-sm6375.c
> @@ -3853,7 +3853,30 @@ static const struct regmap_config gcc_sm6375_regmap_config = {
>  	.fast_io = true,
>  };
>  
> +static const u32 gcc_sm6375_critical_cbcrs[] = {
> +	0x17028, /* GCC_CAMERA_XO_CLK */
> +	0x2b004, /* GCC_CPUSS_GNOC_CLK */
> +	0x1702c, /* GCC_DISP_XO_CLK */
> +};
> +
> +static struct clk_alpha_pll *gcc_sm6375_plls[] = {
> +	&gpll10,
> +	&gpll11,
> +	&gpll8,
> +	&gpll9,
> +};
> +
> +static const struct qcom_cc_driver_data gcc_sm6375_driver_data = {
> +	.alpha_plls = gcc_sm6375_plls,
> +	.num_alpha_plls = ARRAY_SIZE(gcc_sm6375_plls),
> +	.clk_cbcrs = gcc_sm6375_critical_cbcrs,
> +	.num_clk_cbcrs = ARRAY_SIZE(gcc_sm6375_critical_cbcrs),
> +	.dfs_rcgs = gcc_dfs_clocks,
> +	.num_dfs_rcgs = ARRAY_SIZE(gcc_dfs_clocks),
> +};
> +
>  static const struct qcom_cc_desc gcc_sm6375_desc = {
> +	.driver_data = &gcc_sm6375_driver_data,
>  	.config = &gcc_sm6375_regmap_config,
>  	.clks = gcc_sm6375_clocks,
>  	.num_clks = ARRAY_SIZE(gcc_sm6375_clocks),
> @@ -3871,28 +3894,7 @@ MODULE_DEVICE_TABLE(of, gcc_sm6375_match_table);
>  
>  static int gcc_sm6375_probe(struct platform_device *pdev)
>  {
> -	struct regmap *regmap;
> -	int ret;
> -
> -	regmap = qcom_cc_map(pdev, &gcc_sm6375_desc);
> -	if (IS_ERR(regmap))
> -		return PTR_ERR(regmap);
> -
> -	ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks, ARRAY_SIZE(gcc_dfs_clocks));
> -	if (ret)
> -		return ret;
> -
> -	/* Keep some clocks always-on */
> -	qcom_branch_set_clk_en(regmap, 0x17028); /* GCC_CAMERA_XO_CLK */
> -	qcom_branch_set_clk_en(regmap, 0x2b004); /* GCC_CPUSS_GNOC_CLK */
> -	qcom_branch_set_clk_en(regmap, 0x1702c); /* GCC_DISP_XO_CLK */
> -
> -	clk_lucid_pll_configure(&gpll10, regmap, &gpll10_config);
> -	clk_lucid_pll_configure(&gpll11, regmap, &gpll11_config);
> -	clk_lucid_pll_configure(&gpll8, regmap, &gpll8_config);
> -	clk_zonda_pll_configure(&gpll9, regmap, &gpll9_config);
> -
> -	return qcom_cc_really_probe(&pdev->dev, &gcc_sm6375_desc, regmap);
> +	return qcom_cc_probe(pdev, &gcc_sm6375_desc);
>  }
>  
>  static struct platform_driver gcc_sm6375_driver = {
> 
> -- 
> 2.54.0
>