Re: [PATCH v4] clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent

[Bjorn Andersson <bjorn.andersson@linaro.org>]

On Fri 03 Jan 03:14 PST 2020, Niklas Cassel wrote:

> From: Niklas Cassel <niklas.cassel@linaro.org>
> 
> Allow accessing the parent clock names required for the driver operation
> by using the device tree 'clock-names' property, while falling back to
> the previous method of using names in the global name space.
> 
> This permits extending the driver to other platforms without having to
> modify its source code.
> 
> Co-developed-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>

Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> ---
> Changes since v3:
> -Don't set dev->of_node explicitly, since the clock framework will now
> automatically use the parent node pointer when needed.
> 
> Requires the following patch to the clock framework to land first:
> https://patchwork.kernel.org/patch/11313639/
> 
>  drivers/clk/qcom/apcs-msm8916.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/clk/qcom/apcs-msm8916.c b/drivers/clk/qcom/apcs-msm8916.c
> index 46061b3d230e..cf69a97d0439 100644
> --- a/drivers/clk/qcom/apcs-msm8916.c
> +++ b/drivers/clk/qcom/apcs-msm8916.c
> @@ -19,9 +19,9 @@
>  
>  static const u32 gpll0_a53cc_map[] = { 4, 5 };
>  
> -static const char * const gpll0_a53cc[] = {
> -	"gpll0_vote",
> -	"a53pll",
> +static const struct clk_parent_data pdata[] = {
> +	{ .fw_name = "aux", .name = "gpll0_vote", },
> +	{ .fw_name = "pll", .name = "a53pll", },
>  };
>  
>  /*
> @@ -62,8 +62,8 @@ static int qcom_apcs_msm8916_clk_probe(struct platform_device *pdev)
>  		return -ENOMEM;
>  
>  	init.name = "a53mux";
> -	init.parent_names = gpll0_a53cc;
> -	init.num_parents = ARRAY_SIZE(gpll0_a53cc);
> +	init.parent_data = pdata;
> +	init.num_parents = ARRAY_SIZE(pdata);
>  	init.ops = &clk_regmap_mux_div_ops;
>  	init.flags = CLK_SET_RATE_PARENT;
>  
> -- 
> 2.24.1
>