linux-kernel - Re: [PATCH V2 1/7] coresight: replicator: Move ACPI support from AMBA driver to platform driver

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Message-ID: <20231201123515.gntwvhsxd5nzojn7@bogus>
Date:   Fri, 1 Dec 2023 12:35:15 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, suzuki.poulose@....com,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        coresight@...ts.linaro.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH V2 1/7] coresight: replicator: Move ACPI support from
 AMBA driver to platform driver

On Fri, Dec 01, 2023 at 11:50:47AM +0530, Anshuman Khandual wrote:
> Add support for the dynamic replicator device in the platform driver, which
> can then be used on ACPI based platforms. This change would now allow
> runtime power management for repliacator devices on ACPI based systems.
> 
> The driver would try to enable the APB clock if available. Also, rename the
> code to reflect the fact that it now handles both static and dynamic
> replicators.
> 
> Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>
> Cc: Sudeep Holla <sudeep.holla@....com>

Except the minor nit below which may apply also for few other patches
in the series

Acked-by: Sudeep Holla <sudeep.holla@....com> # For ACPI related changes
Tested-by: Sudeep Holla <sudeep.holla@....com> # Boot and driver probe only

[...]

> diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
> index b6be73034996..64de0bee02ec 100644
> --- a/drivers/hwtracing/coresight/coresight-replicator.c
> +++ b/drivers/hwtracing/coresight/coresight-replicator.c
> @@ -38,6 +38,7 @@ DEFINE_CORESIGHT_DEVLIST(replicator_devs, "replicator");
>  struct replicator_drvdata {
>  	void __iomem		*base;
>  	struct clk		*atclk;
> +	struct clk		*pclk;

[minor nit] Perhaps can be documented as well ?

-- 
Regards,
Sudeep