Re: [PATCH V2 24/30] serial: qcom: Migrate to dev_pm_opp_set_config()

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On Fri, Jul 01, 2022 at 01:50:19PM +0530, Viresh Kumar wrote:
> The OPP core now provides a unified API for setting all configuration
> types, i.e. dev_pm_opp_set_config().
> 
> Lets start using it.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
>  drivers/tty/serial/qcom_geni_serial.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
> index 4733a233bd0c..ab667838d082 100644
> --- a/drivers/tty/serial/qcom_geni_serial.c
> +++ b/drivers/tty/serial/qcom_geni_serial.c
> @@ -1347,6 +1347,10 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
>  	int irq;
>  	bool console = false;
>  	struct uart_driver *drv;
> +	struct dev_pm_opp_config config = {
> +		.clk_names = (const char *[]){ "se" },
> +		.clk_count = 1,
> +	};
>  
>  	if (of_device_is_compatible(pdev->dev.of_node, "qcom,geni-debug-uart"))
>  		console = true;
> @@ -1430,7 +1434,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev)
>  	if (of_property_read_bool(pdev->dev.of_node, "cts-rts-swap"))
>  		port->cts_rts_swap = true;
>  
> -	ret = devm_pm_opp_set_clkname(&pdev->dev, "se");
> +	ret = devm_pm_opp_set_config(&pdev->dev, &config);

This feels like a step back.  This is much harder now, what's wrong with
devm_pm_opp_set_clkname() as is?

thanks,

greg k-h



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