linux-kernel - Re: [PATCH v3 0/4] firmware: arm_scmi: Add SCMI v3.2 pincontrol protocol basic support

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Message-ID: <20230703125816.GA373048@EPUAKYIW0A6A>
Date:   Mon, 3 Jul 2023 12:58:17 +0000
From:   Oleksii Moisieiev <Oleksii_Moisieiev@...m.com>
To:     Cristian Marussi <cristian.marussi@....com>
CC:     "sudeep.holla@....com" <sudeep.holla@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH v3 0/4] firmware: arm_scmi: Add SCMI v3.2 pincontrol
 protocol basic support

Hi Cristian,

Thanks for the testing and for the review.
I will address all comments and v4 will be with v3.2 BETA changes.

Best regards,
Oleksii.

On Fri, Jun 30, 2023 at 11:38:47AM +0100, Cristian Marussi wrote:
> On Tue, Jun 06, 2023 at 04:22:26PM +0000, Oleksii Moisieiev wrote:
> > This Patch series is intended to introduce the potential generic driver for
> > pin controls over SCMI protocol, provided in the latest beta version of DEN0056 [0].
> > 
> > On ARM-based systems, a separate Cortex-M based System Control Processor (SCP)
> > provides control on pins, as well as with power, clocks, reset controllers. In this case,
> > kernel should use one of the possible transports, described in [0] to access SCP and
> > control clocks/power-domains etc. This driver is using SMC transport to communicate with SCP via
> > SCMI protocol and access to the Pin Control Subsystem.
> > 
> 
> Hi Oleksii,
> 
> sorry this review has been a bit delayed, I tested V3 in my setup and found no
> practical issue. I'll post a few comments/remarks along the series.
> 
> Beside addressing pending comments, I suppose that the next step will be anyway
> to address the upcoming changes in the new v3.2 BETA regarding support for
> multiple type/value set/get operations as requested by Peng.
> 
> Thanks,
> Cristian