linux-kernel - Re: [PATCH v11 0/6] Add interconnect driver for IPQ9574 SoC

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Date: Wed, 26 Jun 2024 10:57:02 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
CC: <andersson@...nel.org>, <mturquette@...libre.com>, <sboyd@...nel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <djakov@...nel.org>, <dmitry.baryshkov@...aro.org>,
        <quic_anusha@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <bryan.odonoghue@...aro.org>
Subject: Re: [PATCH v11 0/6] Add interconnect driver for IPQ9574 SoC

On Tue, Jun 11, 2024 at 03:16:33PM +0530, Varadarajan Narayanan wrote:
> On Thu, Jun 06, 2024 at 04:07:23PM +0200, Konrad Dybcio wrote:
> > On 4.05.2024 10:01 AM, Varadarajan Narayanan wrote:
> > > Bjorn,
> > >
> > >> On Tue, Apr 30, 2024 at 12:12:08PM +0530, Varadarajan Narayanan wrote:
> > >> MSM platforms manage NoC related clocks and scaling from RPM.
> > >> However, in IPQ SoCs, RPM is not involved in managing NoC
> > >> related clocks and there is no NoC scaling.
> > >>
> > >> However, there is a requirement to enable some NoC interface
> > >> clocks for the accessing the peripherals present in the
> > >> system. Hence add a minimalistic interconnect driver that
> > >> establishes a path from the processor/memory to those peripherals
> > >> and vice versa.
> > >>
> > >> Change icc-clk driver to take master and slave ids instead
> > >> of auto generating.
> > >>
> > >> Currently, drivers/clk/qcom/clk-cbf-8996.c is the only user of
> > >> icc-clk. And, it had exactly one master and one slave node.
> > >> For this the auto generated master (= 1) and slave (= 0) was
> > >> enough.
> > >>
> > >> However, when drivers/clk/qcom/gcc-ipq9574.c wanted to make use
> > >> of the icc-clk framework, it had more number of master and slave
> > >> nodes and the auto generated ids did not suit the usage.
> > >>
> > >> ---
> > >> v11:	No code changes
> > >> 	Commit log changed for the first patch
> > >> 	Added Acked-By: to 3 patches
> > >
> > > Can this be included in your driver changes for 6.10?
> >
> Konrad,
>
> > FWIW there is still an open discussion at v9
> > <CAA8EJpqENsojPQmCbma_nQLEZq8nK1fz1K0JdtvLd=kPrH_DBw@...l.gmail.com>
>
> Thanks for reminding. Have responded to it.
> https://lore.kernel.org/linux-arm-msm/Zmgb+OjdBNw71sC1@hu-varada-blr.qualcomm.com/

Bjorn/Konrad,

Can this be merged for 6.11. I believe the discussion open at v9
has been addressed. Please let me know if anything is still pending.

Below patches depend on this series:

	PCI: https://lore.kernel.org/linux-arm-msm/20240512082858.1806694-1-quic_devipriy@quicinc.com/
	NSSCC: https://lore.kernel.org/linux-arm-msm/20240625070536.3043630-1-quic_devipriy@quicinc.com/

Thanks
Varada