- DEBUGFS
- Remove unneeded debugfs_file_{get,put}() instances
- Remove last remnants of debugfs_real_fops()
- Allow storing non-const void * in struct debugfs_inode_info::aux
- SYSFS
- Switch back to attribute_group::bin_attrs (treewide)
- Switch back to bin_attribute::read()/write() (treewide)
- Constify internal references to 'struct bin_attribute'
- Support cache-ids for device-tree systems
- Add arch hook arch_compact_of_hwid()
- Use arch_compact_of_hwid() to compact MPIDR values on arm64
- Rust
- Device
- Introduce CoreInternal device context (for bus internal methods)
- Provide generic drvdata accessors for bus devices
- Provide Driver::unbind() callbacks
- Use the infrastructure above for auxiliary, PCI and platform
- Implement Device::as_bound()
- Rename Device::as_ref() to Device::from_raw() (treewide)
- Implement fwnode and device property abstractions
- Implement example usage in the Rust platform sample driver
- Devres
- Remove the inner reference count (Arc) and use pin-init instead
- Replace Devres::new_foreign_owned() with devres::register()
- Require T to be Send in Devres<T>
- Initialize the data kept inside a Devres last
- Provide an accessor for the Devres associated Device
- Device ID
- Add support for ACPI device IDs and driver match tables
- Split up generic device ID infrastructure
- Use generic device ID infrastructure in net::phy
- DMA
- Implement the dma::Device trait
- Add DMA mask accessors to dma::Device
- Implement dma::Device for PCI and platform devices
- Use DMA masks from the DMA sample module
- I/O
- Implement abstraction for resource regions (struct resource)
- Implement resource-based ioremap() abstractions
- Provide platform device accessors for I/O (remap) requests
- Misc
- Support fallible PinInit types in Revocable
- Implement Wrapper<T> for Opaque<T>
- Merge pin-init blanket dependencies (for Devres)
- Misc
- Fix OF node leak in auxiliary_device_create()
- Use util macros in device property iterators
- Improve kobject sample code
- Add device_link_test() for testing device link flags
- Fix typo in Documentation/ABI/testing/sysfs-kernel-address_bits
- Hint to prefer container_of_const() over container_of()
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Merge tag 'driver-core-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Danilo Krummrich:
"debugfs:
- Remove unneeded debugfs_file_{get,put}() instances
- Remove last remnants of debugfs_real_fops()
- Allow storing non-const void * in struct debugfs_inode_info::aux
sysfs:
- Switch back to attribute_group::bin_attrs (treewide)
- Switch back to bin_attribute::read()/write() (treewide)
- Constify internal references to 'struct bin_attribute'
Support cache-ids for device-tree systems:
- Add arch hook arch_compact_of_hwid()
- Use arch_compact_of_hwid() to compact MPIDR values on arm64
Rust:
- Device:
- Introduce CoreInternal device context (for bus internal methods)
- Provide generic drvdata accessors for bus devices
- Provide Driver::unbind() callbacks
- Use the infrastructure above for auxiliary, PCI and platform
- Implement Device::as_bound()
- Rename Device::as_ref() to Device::from_raw() (treewide)
- Implement fwnode and device property abstractions
- Implement example usage in the Rust platform sample driver
- Devres:
- Remove the inner reference count (Arc) and use pin-init instead
- Replace Devres::new_foreign_owned() with devres::register()
- Require T to be Send in Devres<T>
- Initialize the data kept inside a Devres last
- Provide an accessor for the Devres associated Device
- Device ID:
- Add support for ACPI device IDs and driver match tables
- Split up generic device ID infrastructure
- Use generic device ID infrastructure in net::phy
- DMA:
- Implement the dma::Device trait
- Add DMA mask accessors to dma::Device
- Implement dma::Device for PCI and platform devices
- Use DMA masks from the DMA sample module
- I/O:
- Implement abstraction for resource regions (struct resource)
- Implement resource-based ioremap() abstractions
- Provide platform device accessors for I/O (remap) requests
- Misc:
- Support fallible PinInit types in Revocable
- Implement Wrapper<T> for Opaque<T>
- Merge pin-init blanket dependencies (for Devres)
Misc:
- Fix OF node leak in auxiliary_device_create()
- Use util macros in device property iterators
- Improve kobject sample code
- Add device_link_test() for testing device link flags
- Fix typo in Documentation/ABI/testing/sysfs-kernel-address_bits
- Hint to prefer container_of_const() over container_of()"
* tag 'driver-core-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (84 commits)
rust: io: fix broken intra-doc links to `platform::Device`
rust: io: fix broken intra-doc link to missing `flags` module
rust: io: mem: enable IoRequest doc-tests
rust: platform: add resource accessors
rust: io: mem: add a generic iomem abstraction
rust: io: add resource abstraction
rust: samples: dma: set DMA mask
rust: platform: implement the `dma::Device` trait
rust: pci: implement the `dma::Device` trait
rust: dma: add DMA addressing capabilities
rust: dma: implement `dma::Device` trait
rust: net::phy Change module_phy_driver macro to use module_device_table macro
rust: net::phy represent DeviceId as transparent wrapper over mdio_device_id
rust: device_id: split out index support into a separate trait
device: rust: rename Device::as_ref() to Device::from_raw()
arm64: cacheinfo: Provide helper to compress MPIDR value into u32
cacheinfo: Add arch hook to compress CPU h/w id into 32 bits for cache-id
cacheinfo: Set cache 'id' based on DT data
container_of: Document container_of() is not to be used in new code
driver core: auxiliary bus: fix OF node leak
...
Add const qualifier to struct bno055_sysfs_attr and its array fields.
All of this is read-only data so it can be made const.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250709-iio-const-data-19-v2-2-fb3fc9191251@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix a potential out-of-bounds array access of the hw_xlate array in
bno055.c.
In bno055_get_regmask(), hw_xlate was iterated over the length of the
vals array instead of the length of the hw_xlate array. In the case of
bno055_gyr_scale, the vals array is larger than the hw_xlate array,
so this could result in an out-of-bounds access. In practice, this
shouldn't happen though because a match should always be found which
breaks out of the for loop before it iterates beyond the end of the
hw_xlate array.
By adding a new hw_xlate_len field to the bno055_sysfs_attr, we can be
sure we are iterating over the correct length.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202507100510.rGt1YOOx-lkp@intel.com/
Fixes: 4aefe1c2bd ("iio: imu: add Bosch Sensortec BNO055 core driver")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250709-iio-const-data-19-v2-1-fb3fc9191251@baylibre.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-8-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use this new type to both slightly simplify the code and avoid
confusing static analysis tools. Mostly this series is about consistency
to avoid this code pattern getting copied into more drivers.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20241215182912.481706-10-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The sysfs core now allows instances of 'struct bin_attribute' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20241215-sysfs-const-bin_attr-iio-v1-1-a5801212482e@weissschuh.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.
This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.
While add it, also remove commas after the sentinel entries.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240508072928.2135858-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
receive_buf() is called from ttyport_receive_buf() that expects values
">= 0" from serdev_controller_receive_buf(), change its return type from
ssize_t to size_t.
The need for this clean-up was noticed while fixing a warning, see
commit 94d0539425 ("Bluetooth: btnxpuart: fix recv_buf() return value").
Changing the callback prototype to return an unsigned seems the best way
to document the API and ensure that is properly used.
GNSS drivers implementation of serdev receive_buf() callback return
directly the return value of gnss_insert_raw(). gnss_insert_raw()
returns a signed int, however this is not an issue since the value
returned is always positive, because of the kfifo_in() implementation.
gnss_insert_raw() could be changed to return also an unsigned, however
this is not implemented here as request by the GNSS maintainer Johan
Hovold.
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/all/087be419-ec6b-47ad-851a-5e1e3ea5cfcc@kernel.org/
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio
Reviewed-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com> # for platform/surface
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240122180551.34429-1-francesco@dolcini.it
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are a ton of build errors when REGMAP is not set, so select
REGMAP to fix all of them.
Examples (not all of them):
../drivers/iio/imu/bno055/bno055_ser_core.c:495:15: error: variable 'bno055_ser_regmap_bus' has initializer but incomplete type
495 | static struct regmap_bus bno055_ser_regmap_bus = {
../drivers/iio/imu/bno055/bno055_ser_core.c:496:10: error: 'struct regmap_bus' has no member named 'write'
496 | .write = bno055_ser_write_reg,
../drivers/iio/imu/bno055/bno055_ser_core.c:497:10: error: 'struct regmap_bus' has no member named 'read'
497 | .read = bno055_ser_read_reg,
../drivers/iio/imu/bno055/bno055_ser_core.c: In function 'bno055_ser_probe':
../drivers/iio/imu/bno055/bno055_ser_core.c:532:18: error: implicit declaration of function 'devm_regmap_init'; did you mean 'vmem_map_init'? [-Werror=implicit-function-declaration]
532 | regmap = devm_regmap_init(&serdev->dev, &bno055_ser_regmap_bus,
../drivers/iio/imu/bno055/bno055_ser_core.c:532:16: warning: assignment to 'struct regmap *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
532 | regmap = devm_regmap_init(&serdev->dev, &bno055_ser_regmap_bus,
../drivers/iio/imu/bno055/bno055_ser_core.c: At top level:
../drivers/iio/imu/bno055/bno055_ser_core.c:495:26: error: storage size of 'bno055_ser_regmap_bus' isn't known
495 | static struct regmap_bus bno055_ser_regmap_bus = {
Fixes: 2eef5a9cc6 ("iio: imu: add BNO055 serdev driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrea Merello <andrea.merello@iit.it>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: linux-iio@vger.kernel.org
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20240110185611.19723-1-rdunlap@infradead.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Switch character types to u8 and sizes to size_t. To conform to
characters/sizes in the rest of the tty layer.
This patch converts struct serdev_device_ops hooks and its
instantiations.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Acked-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20231206073712.17776-24-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver uses IIO triggered buffers so it needs to select them in
Kconfig.
on riscv-32bit:
/opt/crosstool/gcc-13.2.0-nolibc/riscv32-linux/bin/riscv32-linux-ld: drivers/iio/imu/bno055/bno055.o: in function `.L367':
bno055.c:(.text+0x2c96): undefined reference to `devm_iio_triggered_buffer_setup_ext'
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/linux-next/40566b4b-3950-81fe-ff14-871d8c447627@infradead.org/
Fixes: 4aefe1c2bd ("iio: imu: add Bosch Sensortec BNO055 core driver")
Cc: Andrea Merello <andrea.merello@iit.it>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230903113052.846298-1-jic23@kernel.org
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
After commit b8a1a4cd5a ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230515205048.19561-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
checkpatch reports
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
FILE: drivers/iio/imu/bno055/bno055_ser_trace.c:1:
+//SPDX-License-Identifier: GPL-2.0
Add a space
Fixes: 2eef5a9cc6 ("iio: imu: add BNO055 serdev driver")
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20230124194301.656518-1-trix@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This bug is basically harmless, although it will trigger a runtime warning
if you use KMSan. On the first iteration through the loop, the
"best_delta" variable is uninitialized so re-order the condition to
prevent reading uninitialized memory.
Fixes: 4aefe1c2bd ("iio: imu: add Bosch Sensortec BNO055 core driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/Y0kuaO9PQkSQja+A@kili
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add an I2C driver for communicating to a BNO055 IMU via I2C bus and enable
the BNO055 core driver to work in this scenario.
Signed-off-by: Andrea Merello <andrea.merello@iit.it>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220907132205.28021-14-andrea.merello@iit.it
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a serdev driver for communicating to a BNO055 IMU via serial bus, and
enable the BNO055 core driver to work in this scenario.
Signed-off-by: Andrea Merello <andrea.merello@iit.it>
Link: https://lore.kernel.org/r/20220907132205.28021-13-andrea.merello@iit.it
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add the core driver for the BNO055 IMU from Bosch. This IMU can be
connected via both serial and I2C busses; separate patches will add support
for them.
The driver supports "AMG" (Accelerometer, Magnetometer, Gyroscope) mode,
that provides raw data from the said internal sensors, and a couple of
"fusion" modes (i.e. the IMU also does calculations in order to provide
euler angles, quaternions, linear acceleration and gravity measurements).
In fusion modes the AMG data is still available (with some calibration
refinements done by the IMU), but certain settings such as low pass filters
cut-off frequency and sensors' ranges are fixed, while in AMG mode they can
be customized; this is why AMG mode can still be interesting.
Signed-off-by: Andrea Merello <andrea.merello@iit.it>
Link: https://lore.kernel.org/r/20220907132205.28021-9-andrea.merello@iit.it
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
