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From: Dmitry Osipenko <digetx@gmail.com>
To: Qiang Yu <yuq825@gmail.com>, Rob Clark <robdclark@gmail.com>,
	Sean Paul <sean@poorly.run>, Rob Herring <robh@kernel.org>,
	Tomeu Vizoso <tomeu.vizoso@collabora.com>,
	Steven Price <steven.price@arm.com>,
	Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>,
	Stanimir Varbanov <stanimir.varbanov@linaro.org>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Lukasz Luba <lukasz.luba@arm.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>,
	Stephen Boyd <sboyd@kernel.org>, Mark Brown <broonie@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	Yangtao Li <tiny.windzz@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>,
	dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	freedreno@lists.freedesktop.org, linux-media@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org,
	linux-serial@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: [PATCH v3 04/15] opp: Add devres wrapper for dev_pm_opp_of_add_table
Date: Sun, 14 Mar 2021 19:33:57 +0300	[thread overview]
Message-ID: <20210314163408.22292-5-digetx@gmail.com> (raw)
In-Reply-To: <20210314163408.22292-1-digetx@gmail.com>

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

Add devres wrapper for dev_pm_opp_of_add_table() to simplify drivers
code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/opp/of.c       | 36 ++++++++++++++++++++++++++++++++++++
 include/linux/pm_opp.h |  6 ++++++
 2 files changed, 42 insertions(+)

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index f480c10e6314..c582a9ca397b 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -1104,6 +1104,42 @@ static int _of_add_table_indexed(struct device *dev, int index, bool getclk)
 	return ret;
 }
 
+static void devm_pm_opp_of_table_release(void *data)
+{
+	dev_pm_opp_of_remove_table(data);
+}
+
+/**
+ * devm_pm_opp_of_add_table() - Initialize opp table from device tree
+ * @dev:	device pointer used to lookup OPP table.
+ *
+ * Register the initial OPP table with the OPP library for given device.
+ *
+ * The opp_table structure will be freed after the device is destroyed.
+ *
+ * Return:
+ * 0		On success OR
+ *		Duplicate OPPs (both freq and volt are same) and opp->available
+ * -EEXIST	Freq are same and volt are different OR
+ *		Duplicate OPPs (both freq and volt are same) and !opp->available
+ * -ENOMEM	Memory allocation failure
+ * -ENODEV	when 'operating-points' property is not found or is invalid data
+ *		in device node.
+ * -ENODATA	when empty 'operating-points' property is found
+ * -EINVAL	when invalid entries are found in opp-v2 table
+ */
+int devm_pm_opp_of_add_table(struct device *dev)
+{
+	int ret;
+
+	ret = dev_pm_opp_of_add_table(dev);
+	if (ret)
+		return ret;
+
+	return devm_add_action_or_reset(dev, devm_pm_opp_of_table_release, dev);
+}
+EXPORT_SYMBOL_GPL(devm_pm_opp_of_add_table);
+
 /**
  * dev_pm_opp_of_add_table() - Initialize opp table from device tree
  * @dev:	device pointer used to lookup OPP table.
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index e455b187e405..3f8894012429 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -441,6 +441,7 @@ int dev_pm_opp_of_add_table(struct device *dev);
 int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
 int dev_pm_opp_of_add_table_noclk(struct device *dev, int index);
 void dev_pm_opp_of_remove_table(struct device *dev);
+int devm_pm_opp_of_add_table(struct device *dev);
 int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
 void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
 int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
@@ -473,6 +474,11 @@ static inline void dev_pm_opp_of_remove_table(struct device *dev)
 {
 }
 
+static inline int devm_pm_opp_of_add_table(struct device *dev)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
 {
 	return -EOPNOTSUPP;
-- 
2.30.2


  parent reply	other threads:[~2021-03-14 16:35 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-14 16:33 [PATCH v3 00/15] Introduce devm_pm_opp_* API Dmitry Osipenko
2021-03-14 16:33 ` [PATCH v3 01/15] opp: Add devres wrapper for dev_pm_opp_set_clkname Dmitry Osipenko
2021-03-14 16:33 ` [PATCH v3 02/15] opp: Add devres wrapper for dev_pm_opp_set_regulators Dmitry Osipenko
2021-03-14 16:33 ` [PATCH v3 03/15] opp: Add devres wrapper for dev_pm_opp_set_supported_hw Dmitry Osipenko
2021-03-14 16:33 ` Dmitry Osipenko [this message]
2021-03-14 16:33 ` [PATCH v3 05/15] opp: Change return type of devm_pm_opp_register_set_opp_helper() Dmitry Osipenko
2021-03-14 16:33 ` [PATCH v3 06/15] opp: Change return type of devm_pm_opp_attach_genpd() Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 07/15] serial: qcom_geni_serial: Convert to use resource-managed OPP API Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 08/15] spi: spi-geni-qcom: " Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 09/15] spi: spi-qcom-qspi: " Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 10/15] mmc: sdhci-msm: " Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 11/15] drm/msm: " Dmitry Osipenko
2021-03-15  4:03   ` Viresh Kumar
2021-03-14 16:34 ` [PATCH v3 12/15] drm/lima: " Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 13/15] drm/panfrost: " Dmitry Osipenko
2021-03-14 16:34 ` [PATCH v3 14/15] media: venus: " Dmitry Osipenko
2021-03-25  8:13   ` Stanimir Varbanov
2021-03-25  9:09     ` Viresh Kumar
2021-03-14 16:34 ` [PATCH v3 15/15] memory: samsung: exynos5422-dmc: " Dmitry Osipenko
2021-03-15  4:06 ` [PATCH v3 00/15] Introduce devm_pm_opp_* API Viresh Kumar

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