From: Yangtao Li <tiny.windzz@gmail.com>
To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com,
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Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-samsung-soc@vger.kernel.org,
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Subject: [PATCH 04/31] opp: Add devres wrapper for dev_pm_opp_of_add_table
Date: Fri, 1 Jan 2021 16:54:40 +0000 [thread overview]
Message-ID: <20210101165507.19486-5-tiny.windzz@gmail.com> (raw)
In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com>
Add devres wrapper for dev_pm_opp_of_add_table() to simplify driver
code.
Signed-off-by: Yangtao Li <tiny.windzz@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 03cb387236c4..50df483c7dc3 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -998,6 +998,42 @@ int dev_pm_opp_of_add_table(struct device *dev)
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_add_table);
+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_indexed() - Initialize indexed 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 e5260fc82ba1..e8bdac5f9555 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -398,6 +398,7 @@ static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask
int dev_pm_opp_of_add_table(struct device *dev);
int dev_pm_opp_of_add_table_indexed(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);
@@ -425,6 +426,11 @@ 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 -ENOTSUPP;
+}
+
static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
{
return -ENOTSUPP;
--
2.25.1
next prev parent reply other threads:[~2021-01-01 16:57 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-01 16:54 [PATCH 00/31] Introduce devm_pm_opp_* API Yangtao Li
2021-01-01 16:54 ` [PATCH 01/31] opp: Add devres wrapper for dev_pm_opp_set_clkname and dev_pm_opp_put_clkname Yangtao Li
2021-01-04 7:30 ` Viresh Kumar
2021-01-01 16:54 ` [PATCH 02/31] opp: Add devres wrapper for dev_pm_opp_set_regulators and dev_pm_opp_put_regulators Yangtao Li
2021-01-20 15:52 ` Dmitry Osipenko
2021-01-01 16:54 ` [PATCH 03/31] opp: Add devres wrapper for dev_pm_opp_set_supported_hw Yangtao Li
2021-01-20 15:53 ` Dmitry Osipenko
2021-01-01 16:54 ` Yangtao Li [this message]
2021-01-20 15:54 ` [PATCH 04/31] opp: Add devres wrapper for dev_pm_opp_of_add_table Dmitry Osipenko
2021-01-01 16:54 ` [PATCH 05/31] opp: Add devres wrapper for dev_pm_opp_register_notifier Yangtao Li
2021-01-04 7:15 ` Viresh Kumar
2021-01-01 16:54 ` [PATCH 06/31] serial: qcom_geni_serial: fix potential mem leak in qcom_geni_serial_probe() Yangtao Li
2021-01-04 7:02 ` Viresh Kumar
2021-01-01 16:54 ` [PATCH 07/31] serial: qcom_geni_serial: convert to use devm_pm_opp_* API Yangtao Li
2021-01-04 7:19 ` Viresh Kumar
2021-01-04 7:27 ` Viresh Kumar
2021-01-01 16:54 ` [PATCH 08/31] spi: spi-qcom-qspi: fix potential mem leak in spi_geni_probe() Yangtao Li
2021-01-04 13:58 ` Mark Brown
2021-01-01 16:54 ` [PATCH 09/31] " Yangtao Li
2021-01-04 14:02 ` Mark Brown
2021-01-01 16:54 ` [PATCH 10/31] qcom-geni-se: remove opp_table Yangtao Li
2021-01-01 16:54 ` [PATCH 11/31] mmc: sdhci-msm: fix potential mem leak in sdhci_msm_probe() Yangtao Li
2021-01-01 16:54 ` [PATCH 12/31] mmc: sdhci-msm: convert to use devm_pm_opp_* API Yangtao Li
2021-01-01 16:54 ` [PATCH 13/31] spi: spi-qcom-qspi: fix potential mem leak in qcom_qspi_probe() Yangtao Li
2021-01-04 14:02 ` Mark Brown
2021-01-01 16:54 ` [PATCH 14/31] spi: spi-qcom-qspi: convert to use devm_pm_opp_* API Yangtao Li
2021-01-04 14:05 ` Mark Brown
2021-01-01 16:54 ` [PATCH 15/31] drm/msm: fix potential mem leak Yangtao Li
2021-01-01 16:54 ` [PATCH 16/31] drm/msm: convert to use devm_pm_opp_* API and remove dp_ctrl_put Yangtao Li
2021-01-01 16:54 ` [PATCH 17/31] drm/lima: convert to use devm_pm_opp_* API Yangtao Li
2021-01-01 16:54 ` [PATCH 18/31] drm/lima: remove unneeded devm_devfreq_remove_device() Yangtao Li
2021-01-04 7:32 ` Viresh Kumar
2021-01-01 16:54 ` [PATCH 19/31] drm/panfrost: convert to use devm_pm_opp_* API Yangtao Li
2021-01-05 16:33 ` Steven Price
2021-01-01 16:54 ` [PATCH 20/31] media: venus: fix error check in core_get_v4() Yangtao Li
2021-01-01 16:54 ` [PATCH 21/31] media: venus: convert to use devm_pm_opp_* API Yangtao Li
2021-01-01 16:54 ` [PATCH 22/31] memory: samsung: exynos5422-dmc: fix return error in exynos5_init_freq_table Yangtao Li
2021-01-04 18:03 ` Krzysztof Kozlowski
2021-01-01 16:54 ` [PATCH 23/31] memory: samsung: exynos5422-dmc: convert to use devm_pm_opp_* API Yangtao Li
2021-01-04 18:04 ` Krzysztof Kozlowski
2021-01-01 16:55 ` [PATCH 24/31] memory: tegra20: " Yangtao Li
2021-01-04 18:05 ` Krzysztof Kozlowski
2021-01-20 16:00 ` Dmitry Osipenko
2021-01-03 12:52 ` [PATCH 00/31] Introduce " Dmitry Osipenko
2021-01-03 14:30 ` Frank Lee
2021-01-03 14:54 ` Dmitry Osipenko
2021-01-04 7:29 ` Viresh Kumar
2021-01-04 7:33 ` Viresh Kumar
2021-01-20 16:01 ` Dmitry Osipenko
2021-03-02 13:40 ` Dmitry Osipenko
2021-03-03 4:01 ` Viresh Kumar
2021-03-03 8:31 ` Dmitry Osipenko
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