linux-kernel - Re: [PATCH 1/2] clk: qcom: common: Add support for power-domain attachment

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Message-ID: <92d71031-c148-43e3-9a8a-2cf92e9808bc@linaro.org>
Date: Thu, 21 Nov 2024 23:25:54 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...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 1/2] clk: qcom: common: Add support for power-domain
 attachment

On 21/11/2024 21:59, Dmitry Baryshkov wrote:
> Is it for the MMCX or for MXC domain? If my memory doesn't play tricks
> on me (it can) I think that on sm8250 I had to keep MMCX up to access
> registers. But it also well might be that I didn't run the fine-grained
> test and the MMCX was really required to power up the PLLs rather than
> registers.

I see MXC is also used by the cdsp.

I'll have a poke to see if I can ensure both PDs are off and see what 
happens to reg access.

Perhaps my first pass test didn't cover it.

---
bod