linux-kernel - [PATCH v2 13/14] media: venus: Convert to use resource-managed OPP API

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Message-Id: <20210311192105.14998-14-digetx@gmail.com>
Date:   Thu, 11 Mar 2021 22:21:04 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Qiang Yu <yuq825@...il.com>, Rob Clark <robdclark@...il.com>,
        Sean Paul <sean@...rly.run>, Rob Herring <robh@...nel.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Steven Price <steven.price@....com>,
        Alyssa Rosenzweig <alyssa.rosenzweig@...labora.com>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Lukasz Luba <lukasz.luba@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Yangtao Li <tiny.windzz@...il.com>
Cc:     Daniel Vetter <daniel@...ll.ch>, dri-devel@...ts.freedesktop.org,
        lima@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: [PATCH v2 13/14] media: venus: Convert to use resource-managed OPP API

From: Yangtao Li <tiny.windzz@...il.com>

Use resource-managed OPP API to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/media/platform/qcom/venus/pm_helpers.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 43c4e3d9e281..14fa27f26a7d 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -860,45 +860,33 @@ static int core_get_v4(struct device *dev)
 	if (legacy_binding)
 		return 0;
 
-	core->opp_table = dev_pm_opp_set_clkname(dev, "core");
+	core->opp_table = devm_pm_opp_set_clkname(dev, "core");
 	if (IS_ERR(core->opp_table))
 		return PTR_ERR(core->opp_table);
 
 	if (core->res->opp_pmdomain) {
-		ret = dev_pm_opp_of_add_table(dev);
+		ret = devm_pm_opp_of_add_table(dev);
 		if (!ret) {
 			core->has_opp_table = true;
 		} else if (ret != -ENODEV) {
 			dev_err(dev, "invalid OPP table in device tree\n");
-			dev_pm_opp_put_clkname(core->opp_table);
 			return ret;
 		}
 	}
 
 	ret = vcodec_domains_get(dev);
-	if (ret) {
-		if (core->has_opp_table)
-			dev_pm_opp_of_remove_table(dev);
-		dev_pm_opp_put_clkname(core->opp_table);
+	if (ret)
 		return ret;
-	}
 
 	return 0;
 }
 
 static void core_put_v4(struct device *dev)
 {
-	struct venus_core *core = dev_get_drvdata(dev);
-
 	if (legacy_binding)
 		return;
 
 	vcodec_domains_put(dev);
-
-	if (core->has_opp_table)
-		dev_pm_opp_of_remove_table(dev);
-	dev_pm_opp_put_clkname(core->opp_table);
-
 }
 
 static int core_power_v4(struct device *dev, int on)
-- 
2.29.2