linux-kernel - [PATCH v8 05/34] soc/tegra: Use dev_pm_opp

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Message-Id: <20210817012754.8710-6-digetx@gmail.com>
Date:   Tue, 17 Aug 2021 04:27:25 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     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>,
        Mark Brown <broonie@...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>
Cc:     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: [PATCH v8 05/34] soc/tegra: Use dev_pm_opp_sync()

Use new generic dev_pm_opp_sync() helper which initializes voltage vote
based on clock rate.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/soc/tegra/common.c | 30 +-----------------------------
 1 file changed, 1 insertion(+), 29 deletions(-)

diff --git a/drivers/soc/tegra/common.c b/drivers/soc/tegra/common.c
index a42d4f98c078..dab1bacb41ab 100644
--- a/drivers/soc/tegra/common.c
+++ b/drivers/soc/tegra/common.c
@@ -39,34 +39,6 @@ bool soc_is_tegra(void)
 	return match != NULL;
 }
 
-static int tegra_core_dev_init_opp_state(struct device *dev)
-{
-	unsigned long rate;
-	struct clk *clk;
-	int err;
-
-	clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(clk)) {
-		dev_err(dev, "failed to get clk: %pe\n", clk);
-		return PTR_ERR(clk);
-	}
-
-	rate = clk_get_rate(clk);
-	if (!rate) {
-		dev_err(dev, "failed to get clk rate\n");
-		return -EINVAL;
-	}
-
-	/* first dummy rate-setting initializes voltage vote */
-	err = dev_pm_opp_set_rate(dev, rate);
-	if (err) {
-		dev_err(dev, "failed to initialize OPP clock: %d\n", err);
-		return err;
-	}
-
-	return 0;
-}
-
 /**
  * devm_tegra_core_dev_init_opp_table() - initialize OPP table
  * @dev: device for which OPP table is initialized
@@ -118,7 +90,7 @@ int devm_tegra_core_dev_init_opp_table(struct device *dev,
 	}
 
 	if (params->init_state) {
-		err = tegra_core_dev_init_opp_state(dev);
+		err = dev_pm_opp_sync(dev);
 		if (err)
 			return err;
 	}
-- 
2.32.0