linux-kernel - Re: [PATCH 2/4] mailbox: qcom-apcs-ipc: Assign OF node to clock controller child device

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Message-ID: <m6nprxug75aifcw6scqpnlx5664zk44neo7v6w6trxfmoe76b7@kt6v5vrdeadm>
Date: Wed, 28 May 2025 22:21:34 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Stephan Gerhold <stephan.gerhold@...aro.org>
Cc: Jassi Brar <jassisinghbrar@...il.com>,
        Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, Georgi Djakov <djakov@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH 2/4] mailbox: qcom-apcs-ipc: Assign OF node to clock
 controller child device

On Tue, May 06, 2025 at 03:10:09PM +0200, Stephan Gerhold wrote:
> Currently, the child device for the clock controller inside the APCS block
> is created without any OF node assigned, so the drivers need to rely on the
> parent device for obtaining any resources.
> 
> Add support for defining the clock controller inside a "clock-controller"
> subnode to break up circular dependencies between the mailbox and required
> parent clocks of the clock controller. For backwards compatibility, if the
> subnode is not defined, reuse the OF node from the parent device.
> 
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---
>  drivers/mailbox/qcom-apcs-ipc-mailbox.c | 16 ++++++++++++----
>  1 file changed, 12 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>

-- 
With best wishes
Dmitry