From: Jonathan Cameron <jic23@kernel.org>
To: linux-iio@vger.kernel.org
Cc: Paul Cercueil <paul@crapouillou.net>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Tomasz Duszynski <tomasz.duszynski@octakon.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: [PATCH 5/8] iio: humidity: hts221: Use EXPORT_SIMPLE_DEV_PM_OPS() to allow compiler to remove dead code.
Date: Sun, 20 Feb 2022 18:15:19 +0000 [thread overview]
Message-ID: <20220220181522.541718-6-jic23@kernel.org> (raw)
In-Reply-To: <20220220181522.541718-1-jic23@kernel.org>
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
If CONFIG_PM_SLEEP is not defined using EXPORT_SIMPLE_DEV_PM_OPS()
in conjunction with pm_sleep_ptr() allows the compiler to remove
the unused code and data. This removes the need for __maybe_unused
markings etc.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/iio/humidity/hts221_core.c | 9 +++------
drivers/iio/humidity/hts221_i2c.c | 2 +-
drivers/iio/humidity/hts221_spi.c | 2 +-
3 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/humidity/hts221_core.c b/drivers/iio/humidity/hts221_core.c
index 6a39615b6961..da9c08432ef2 100644
--- a/drivers/iio/humidity/hts221_core.c
+++ b/drivers/iio/humidity/hts221_core.c
@@ -670,7 +670,7 @@ int hts221_probe(struct device *dev, int irq, const char *name,
}
EXPORT_SYMBOL(hts221_probe);
-static int __maybe_unused hts221_suspend(struct device *dev)
+static int hts221_suspend(struct device *dev)
{
struct iio_dev *iio_dev = dev_get_drvdata(dev);
struct hts221_hw *hw = iio_priv(iio_dev);
@@ -680,7 +680,7 @@ static int __maybe_unused hts221_suspend(struct device *dev)
FIELD_PREP(HTS221_ENABLE_MASK, false));
}
-static int __maybe_unused hts221_resume(struct device *dev)
+static int hts221_resume(struct device *dev)
{
struct iio_dev *iio_dev = dev_get_drvdata(dev);
struct hts221_hw *hw = iio_priv(iio_dev);
@@ -694,10 +694,7 @@ static int __maybe_unused hts221_resume(struct device *dev)
return err;
}
-const struct dev_pm_ops hts221_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(hts221_suspend, hts221_resume)
-};
-EXPORT_SYMBOL(hts221_pm_ops);
+EXPORT_SIMPLE_DEV_PM_OPS(hts221_pm_ops, hts221_suspend, hts221_resume);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
MODULE_DESCRIPTION("STMicroelectronics hts221 sensor driver");
diff --git a/drivers/iio/humidity/hts221_i2c.c b/drivers/iio/humidity/hts221_i2c.c
index cab39c4756f8..933b05e4d972 100644
--- a/drivers/iio/humidity/hts221_i2c.c
+++ b/drivers/iio/humidity/hts221_i2c.c
@@ -62,7 +62,7 @@ MODULE_DEVICE_TABLE(i2c, hts221_i2c_id_table);
static struct i2c_driver hts221_driver = {
.driver = {
.name = "hts221_i2c",
- .pm = &hts221_pm_ops,
+ .pm = pm_sleep_ptr(&hts221_pm_ops),
.of_match_table = hts221_i2c_of_match,
.acpi_match_table = ACPI_PTR(hts221_acpi_match),
},
diff --git a/drivers/iio/humidity/hts221_spi.c b/drivers/iio/humidity/hts221_spi.c
index 729e86e433b1..888c5eab944c 100644
--- a/drivers/iio/humidity/hts221_spi.c
+++ b/drivers/iio/humidity/hts221_spi.c
@@ -55,7 +55,7 @@ MODULE_DEVICE_TABLE(spi, hts221_spi_id_table);
static struct spi_driver hts221_driver = {
.driver = {
.name = "hts221_spi",
- .pm = &hts221_pm_ops,
+ .pm = pm_sleep_ptr(&hts221_pm_ops),
.of_match_table = hts221_spi_of_match,
},
.probe = hts221_spi_probe,
--
2.35.1
next prev parent reply other threads:[~2022-02-20 18:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-20 18:15 [PATCH 0/8] IIO: Where dev_pm_ops rework and namespaces meet Jonathan Cameron
2022-02-20 18:15 ` [PATCH 1/8] iio: chemical: scd30: Export dev_pm_ops instead of suspend() and resume() Jonathan Cameron
2022-02-20 18:15 ` [PATCH 2/8] PM: core: Add NS varients of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and runtime pm equiv Jonathan Cameron
2022-02-21 19:37 ` Rafael J. Wysocki
2022-02-27 11:46 ` Jonathan Cameron
2022-02-28 20:13 ` Rafael J. Wysocki
2022-03-01 11:31 ` Jonathan Cameron
2022-03-30 12:30 ` Jonathan Cameron
2022-03-31 17:21 ` Rafael J. Wysocki
2022-04-01 14:06 ` Jonathan Cameron
2022-02-20 18:15 ` [PATCH 3/8] iio: chemical: scd30: Move symbol exports into IIO_SCD30 namespace Jonathan Cameron
2022-02-20 18:15 ` [PATCH 4/8] iio:accel:kxsd9: Switch from CONFIG_PM guards to pm_ptr() etc Jonathan Cameron
2022-02-20 18:15 ` Jonathan Cameron [this message]
2022-02-20 18:15 ` [PATCH 6/8] iio: humidity: hts221: Move symbol exports into IIO_HTS221 namespace Jonathan Cameron
2022-02-20 18:15 ` [PATCH 7/8] iio: imu: lsm6dsx: Use new pm_sleep_ptr() and EXPORT_SIMPLE_DEV_PM_OPS() Jonathan Cameron
2022-02-20 18:15 ` [PATCH 8/8] iio: imu: lsm6dsx: Move exported symbols to the IIO_LSM6DSX namespace Jonathan Cameron
2022-02-23 11:50 ` [PATCH 0/8] IIO: Where dev_pm_ops rework and namespaces meet Paul Cercueil
2022-02-23 12:13 ` Jonathan Cameron
2022-02-23 13:14 ` Paul Cercueil
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