linux-kernel - Re: [PATCH v8 22/34] spi: tegra20-slink: Add OPP support

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Message-ID: <a0e49d91-e812-5b55-e90f-bfba8476faa3@gmail.com>
Date:   Tue, 17 Aug 2021 18:53:09 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Peter Chen <peter.chen@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Richard Weinberger <richard@....at>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Lucas Stach <dev@...xeye.de>, Stefan Agner <stefan@...er.ch>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-staging@...ts.linux.dev, linux-spi@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-mmc@...r.kernel.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH v8 22/34] spi: tegra20-slink: Add OPP support

17.08.2021 15:22, Mark Brown пишет:
> On Tue, Aug 17, 2021 at 04:27:42AM +0300, Dmitry Osipenko wrote:
>> The SPI on Tegra belongs to the core power domain and we're going to
>> enable GENPD support for the core domain. Now SPI driver must use OPP
>> API for driving the controller's clock rate because OPP API takes care
>> of reconfiguring the domain's performance state in accordance to the
>> rate. Add OPP support to the driver.
> 
> Acked-by: Mark Brown <broonie@...nel.org>
> 
> Is there a concrete dependency here or can I merge this separately?

This patch depends on the new OPP helpers added earlier in this series.
In particular it depends on these patches:

opp: Add dev_pm_opp_sync() helper
soc/tegra: Add devm_tegra_core_dev_init_opp_table_simple()

Thank you for the ack!