Re: [PATCH v4 4/5] wifi: brcmfmac: Add optional lpo clock enable support

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On 7/29/2024 11:12 AM, Dragan Simic wrote:
Hello Ondrej,

On 2024-07-29 10:44, Ondřej Jirman wrote:
On Mon, Jul 29, 2024 at 09:12:20AM GMT, Dragan Simic wrote:
Hello Jacobe,

[...]

>
> +    clk = devm_clk_get_optional_enabled(dev, "lpo");
> +    if (IS_ERR(clk))
> +    if (clk) {

These two lines looks really confusing.  Shouldn't it be just a single
"if (!IS_ERR(clk)) {" line instead?

It should be `!IS_ERR(clk) && clk` otherwise the debug message will be
incorrect.

Ah, I see now, thanks.  There's also IS_ERR_OR_NULL, so the condition
can actually be "!IS_ERR_OR_NULL(clk)".

++ best suggestion

> +        brcmf_dbg(INFO, "enabling 32kHz clock\n");
> +        clk_set_rate(clk, 32768);
> +    }
> +
>      if (!np || !of_device_is_compatible(np, "brcm,bcm4329-fmac"))
>          return;




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