Re: [PATCH v1 1/2] clk: x86: lpss-atom: Use predefined constants from units.h

From: Stephen Boyd
Date: Tue Aug 27 2024 - 20:21:14 EST


Quoting Andy Shevchenko (2024-08-22 09:14:07)
> diff --git a/drivers/clk/x86/clk-lpss-atom.c b/drivers/clk/x86/clk-lpss-atom.c
> index aa9d0bb98f8b..c70088be72d1 100644
> --- a/drivers/clk/x86/clk-lpss-atom.c
> +++ b/drivers/clk/x86/clk-lpss-atom.c
> @@ -12,20 +12,24 @@
> #include <linux/module.h>
> #include <linux/platform_data/x86/clk-lpss.h>
> #include <linux/platform_device.h>
> +#include <linux/units.h>
>
> static int lpss_atom_clk_probe(struct platform_device *pdev)
> {
> struct lpss_clk_data *drvdata;
> struct clk *clk;
> + u32 rate;

Do we need a local variable?

>
> drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
> if (!drvdata)
> return -ENOMEM;
>
> + /* Default frequency is 100MHz */
> + rate = 100 * HZ_PER_MHZ;
> +
> /* LPSS free running clock */
> drvdata->name = "lpss_clk";
> - clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
> - 0, 100000000);
> + clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL, 0, rate);

This should be a one line patch.

> if (IS_ERR(clk))
> return PTR_ERR(clk);
>