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Clark" , =?UTF-8?q?Philip=20M=C3=BCller?= , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Denis Benato , Justin Weiss Subject: [PATCH v2 1/2] iio: bmi270: suspend and resume triggering on relevant pm operations Date: Sun, 25 May 2025 16:25:29 +0200 Message-ID: <20250525142530.71955-2-benato.denis96@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250525142530.71955-1-benato.denis96@gmail.com> References: <20250525142530.71955-1-benato.denis96@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Prevent triggers from stop working after the device has entered sleep: use iio_device_suspend_triggering and iio_device_resume_triggering helpers. Closes: https://lore.kernel.org/all/31d7f7aa-e834-4fd0-a66a-e0ff528425dc@gm= ail.com Signed-off-by: Denis Benato Tested-by: Justin Weiss --- drivers/iio/imu/bmi270/bmi270.h | 2 ++ drivers/iio/imu/bmi270/bmi270_core.c | 20 ++++++++++++++++++++ drivers/iio/imu/bmi270/bmi270_i2c.c | 2 ++ drivers/iio/imu/bmi270/bmi270_spi.c | 2 ++ 4 files changed, 26 insertions(+) diff --git a/drivers/iio/imu/bmi270/bmi270.h b/drivers/iio/imu/bmi270/bmi27= 0.h index d94525f6aee8..a6c4204032fc 100644 --- a/drivers/iio/imu/bmi270/bmi270.h +++ b/drivers/iio/imu/bmi270/bmi270.h @@ -20,4 +20,6 @@ struct device; int bmi270_core_probe(struct device *dev, struct regmap *regmap, const struct bmi270_chip_info *chip_info); =20 +extern const struct dev_pm_ops bmi270_core_pm_ops; + #endif /* BMI270_H_ */ diff --git a/drivers/iio/imu/bmi270/bmi270_core.c b/drivers/iio/imu/bmi270/= bmi270_core.c index 2e4469f30d53..b54658f972ad 100644 --- a/drivers/iio/imu/bmi270/bmi270_core.c +++ b/drivers/iio/imu/bmi270/bmi270_core.c @@ -982,6 +982,7 @@ int bmi270_core_probe(struct device *dev, struct regmap= *regmap, indio_dev->available_scan_masks =3D bmi270_avail_scan_masks; indio_dev->modes =3D INDIO_DIRECT_MODE; indio_dev->info =3D &bmi270_info; + dev_set_drvdata(data->dev, indio_dev); =20 ret =3D bmi270_trigger_probe(data, indio_dev); if (ret) @@ -997,6 +998,25 @@ int bmi270_core_probe(struct device *dev, struct regma= p *regmap, } EXPORT_SYMBOL_NS_GPL(bmi270_core_probe, "IIO_BMI270"); =20 +static int bmi270_core_runtime_suspend(struct device *dev) +{ + struct iio_dev *indio_dev =3D dev_get_drvdata(dev); + + return iio_device_suspend_triggering(indio_dev); +} + +static int bmi270_core_runtime_resume(struct device *dev) +{ + struct iio_dev *indio_dev =3D dev_get_drvdata(dev); + + return iio_device_resume_triggering(indio_dev); +} + +const struct dev_pm_ops bmi270_core_pm_ops =3D { + RUNTIME_PM_OPS(bmi270_core_runtime_suspend, bmi270_core_runtime_resume, N= ULL) +}; +EXPORT_SYMBOL_NS_GPL(bmi270_core_pm_ops, "IIO_BMI270"); + MODULE_AUTHOR("Alex Lanzano"); MODULE_DESCRIPTION("BMI270 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/iio/imu/bmi270/bmi270_i2c.c b/drivers/iio/imu/bmi270/b= mi270_i2c.c index 44699ab58909..c77839b03a96 100644 --- a/drivers/iio/imu/bmi270/bmi270_i2c.c +++ b/drivers/iio/imu/bmi270/bmi270_i2c.c @@ -4,6 +4,7 @@ #include #include #include +#include #include =20 #include "bmi270.h" @@ -52,6 +53,7 @@ static const struct of_device_id bmi270_of_match[] =3D { static struct i2c_driver bmi270_i2c_driver =3D { .driver =3D { .name =3D "bmi270_i2c", + .pm =3D pm_ptr(&bmi270_core_pm_ops), .acpi_match_table =3D bmi270_acpi_match, .of_match_table =3D bmi270_of_match, }, diff --git a/drivers/iio/imu/bmi270/bmi270_spi.c b/drivers/iio/imu/bmi270/b= mi270_spi.c index 88a77aba5e4f..19dd7734f9d0 100644 --- a/drivers/iio/imu/bmi270/bmi270_spi.c +++ b/drivers/iio/imu/bmi270/bmi270_spi.c @@ -3,6 +3,7 @@ #include #include #include +#include #include #include =20 @@ -79,6 +80,7 @@ static const struct of_device_id bmi270_of_match[] =3D { static struct spi_driver bmi270_spi_driver =3D { .driver =3D { .name =3D "bmi270", + .pm =3D pm_ptr(&bmi270_core_pm_ops), .of_match_table =3D bmi270_of_match, }, .probe =3D bmi270_spi_probe, --=20 2.49.0 From nobody Sun Feb 8 09:01:22 2026 Received: from mail-wr1-f47.google.com (mail-wr1-f47.google.com [209.85.221.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A4911F4722; 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Sun, 25 May 2025 07:25:50 -0700 (PDT) Received: from localhost.localdomain ([176.206.99.211]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-442eb8c92d9sm216428135e9.2.2025.05.25.07.25.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 May 2025 07:25:50 -0700 (PDT) From: Denis Benato To: Jonathan Cameron Cc: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Alex Lanzano , Andy Shevchenko , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Peter Zijlstra , Danila Tikhonov , Greg KH , "Derek J . Clark" , =?UTF-8?q?Philip=20M=C3=BCller?= , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Denis Benato Subject: [PATCH v2 2/2] iio: bmi160: suspend and resume triggering on relevant pm operations Date: Sun, 25 May 2025 16:25:30 +0200 Message-ID: <20250525142530.71955-3-benato.denis96@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250525142530.71955-1-benato.denis96@gmail.com> References: <20250525142530.71955-1-benato.denis96@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Prevent triggers from stop working after the device has entered sleep: use iio_device_suspend_triggering and iio_device_resume_triggering helpers. Closes: https://lore.kernel.org/all/31d7f7aa-e834-4fd0-a66a-e0ff528425dc@gm= ail.com Signed-off-by: Denis Benato --- drivers/iio/imu/bmi160/bmi160.h | 2 ++ drivers/iio/imu/bmi160/bmi160_core.c | 19 +++++++++++++++++++ drivers/iio/imu/bmi160/bmi160_i2c.c | 2 ++ drivers/iio/imu/bmi160/bmi160_spi.c | 2 ++ 4 files changed, 25 insertions(+) diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi16= 0.h index 32c2ea2d7112..ffbe8205e703 100644 --- a/drivers/iio/imu/bmi160/bmi160.h +++ b/drivers/iio/imu/bmi160/bmi160.h @@ -28,4 +28,6 @@ int bmi160_enable_irq(struct regmap *regmap, bool enable); =20 int bmi160_probe_trigger(struct iio_dev *indio_dev, int irq, u32 irq_type); =20 +extern const struct dev_pm_ops bmi160_core_pm_ops; + #endif /* BMI160_H_ */ diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/= bmi160_core.c index 0423ef6f9571..9aa54b95b89f 100644 --- a/drivers/iio/imu/bmi160/bmi160_core.c +++ b/drivers/iio/imu/bmi160/bmi160_core.c @@ -890,6 +890,25 @@ int bmi160_core_probe(struct device *dev, struct regma= p *regmap, } EXPORT_SYMBOL_NS_GPL(bmi160_core_probe, "IIO_BMI160"); =20 +static int bmi160_core_runtime_suspend(struct device *dev) +{ + struct iio_dev *indio_dev =3D dev_get_drvdata(dev); + + return iio_device_suspend_triggering(indio_dev); +} + +static int bmi160_core_runtime_resume(struct device *dev) +{ + struct iio_dev *indio_dev =3D dev_get_drvdata(dev); + + return iio_device_resume_triggering(indio_dev); +} + +const struct dev_pm_ops bmi160_core_pm_ops =3D { + RUNTIME_PM_OPS(bmi160_core_runtime_suspend, bmi160_core_runtime_resume, N= ULL) +}; +EXPORT_SYMBOL_NS_GPL(bmi160_core_pm_ops, "IIO_BMI160"); + MODULE_AUTHOR("Daniel Baluta "); MODULE_DESCRIPTION("Bosch BMI160 driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/imu/bmi160/bmi160_i2c.c b/drivers/iio/imu/bmi160/b= mi160_i2c.c index 9fa3a19a8977..3e2758f4e0d3 100644 --- a/drivers/iio/imu/bmi160/bmi160_i2c.c +++ b/drivers/iio/imu/bmi160/bmi160_i2c.c @@ -11,6 +11,7 @@ #include #include #include +#include #include =20 #include "bmi160.h" @@ -69,6 +70,7 @@ MODULE_DEVICE_TABLE(of, bmi160_of_match); static struct i2c_driver bmi160_i2c_driver =3D { .driver =3D { .name =3D "bmi160_i2c", + .pm =3D pm_ptr(&bmi160_core_pm_ops), .acpi_match_table =3D bmi160_acpi_match, .of_match_table =3D bmi160_of_match, }, diff --git a/drivers/iio/imu/bmi160/bmi160_spi.c b/drivers/iio/imu/bmi160/b= mi160_spi.c index ebb586904215..3581bd788483 100644 --- a/drivers/iio/imu/bmi160/bmi160_spi.c +++ b/drivers/iio/imu/bmi160/bmi160_spi.c @@ -7,6 +7,7 @@ */ #include #include +#include #include #include =20 @@ -61,6 +62,7 @@ static struct spi_driver bmi160_spi_driver =3D { .acpi_match_table =3D bmi160_acpi_match, .of_match_table =3D bmi160_of_match, .name =3D "bmi160_spi", + .pm =3D pm_ptr(&bmi160_core_pm_ops), }, }; module_spi_driver(bmi160_spi_driver); --=20 2.49.0