linux-kernel - Re: [PATCH RESENDv2] arm: topology: Consider clock-frequency property from parent /cpus node

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Message-ID: <bfdea5aa-13d5-338f-bb5d-c05df45f7859@nokia.com>
Date:   Mon, 23 Jan 2023 10:08:41 +0100
From:   Stefan Wiehler <stefan.wiehler@...ia.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESENDv2] arm: topology: Consider clock-frequency property
 from parent /cpus node

Hi Russell,

 >> +	cn = of_get_cpu_node(cpu, NULL);
 >> +	if (!cn)
 >> +		pr_err("missing device node for CPU %d\n", cpu);
 >> +	cn = of_get_parent(cn);
 >
 > Doesn't this need to do an of_node_put()?
 >
 >> +	if (!cn)
 >> +		pr_err("missing parent node for CPU %d\n", cpu);
 >> +	common_rate = of_get_property(cn, "clock-frequency", 
&common_rate_len);
 >
 > And here too?

I have sent v2 in the meanwhile where I have refactored this part; 
please review:

https://patchwork.kernel.org/project/linux-arm-kernel/patch/20221221154213.24382-1-stefan.wiehler@nokia.com/

Kind regards,

Stefan Wiehler