linux-kernel - Re: [PATCH 2/2] clk: qcom: gdsc: Add pm

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Message-ID: <d80e23bf-3e13-43af-9bc8-fa6bd4a86248@linaro.org>
Date: Mon, 18 Nov 2024 13:47:15 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
 linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] clk: qcom: gdsc: Add pm_runtime hooks

On 18/11/2024 13:39, Dmitry Baryshkov wrote:
>> It brings up every PM domain in the list
>>
>> clock_cc {
>>      power-domains = <somedomain0>, <another-domain>;
>> };
>>
>> No different to what the core code does for a single domain - except we can
>> actually turn the PDs off with the pm_runtime_put().
> I see. I missed the device link part of the dev_pm_domain_attach_list().
> 
> Just to check, have you checked that this provides no splats in
> lockdep-enabled kernels?

No, I haven't.

I'll have a look at that now. I did test on sc8280xp though.

I'll get back to you on lockdep.

---
bod