linux-kernel - [PATCH V2 18/30] memory: tegra: Migrate to dev_pm_opp_set

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Date:   Fri,  1 Jul 2022 13:50:13 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, Nishanth Menon <nm@...com>,
        Dmitry Osipenko <dmitry.osipenko@...labora.com>,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH V2 18/30] memory: tegra: Migrate to dev_pm_opp_set_config()

The OPP core now provides a unified API for setting all configuration
types, i.e. dev_pm_opp_set_config().

Lets start using it.

Tested-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/memory/tegra/tegra124-emc.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
index 908f8d5392b2..8da6baa4c369 100644
--- a/drivers/memory/tegra/tegra124-emc.c
+++ b/drivers/memory/tegra/tegra124-emc.c
@@ -1395,15 +1395,18 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc)
 static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 {
 	u32 hw_version = BIT(tegra_sku_info.soc_speedo_id);
-	struct opp_table *hw_opp_table;
-	int err;
+	int opp_token, err;
+	struct dev_pm_opp_config config = {
+		.supported_hw = &hw_version,
+		.supported_hw_count = 1,
+	};
 
-	hw_opp_table = dev_pm_opp_set_supported_hw(emc->dev, &hw_version, 1);
-	err = PTR_ERR_OR_ZERO(hw_opp_table);
-	if (err) {
-		dev_err(emc->dev, "failed to set OPP supported HW: %d\n", err);
+	err = dev_pm_opp_set_config(emc->dev, &config);
+	if (err < 0) {
+		dev_err(emc->dev, "failed to set OPP config: %d\n", err);
 		return err;
 	}
+	opp_token = err;
 
 	err = dev_pm_opp_of_add_table(emc->dev);
 	if (err) {
@@ -1430,7 +1433,7 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 remove_table:
 	dev_pm_opp_of_remove_table(emc->dev);
 put_hw_table:
-	dev_pm_opp_put_supported_hw(hw_opp_table);
+	dev_pm_opp_clear_config(opp_token);
 
 	return err;
 }
-- 
2.31.1.272.g89b43f80a514