summaryrefslogtreecommitdiff
path: root/drivers/iio/accel/mxc4005.c
AgeCommit message (Collapse)AuthorFilesLines
2021-05-17iio: accel: mxc4005: Fix overread of data and alignment issue.Jonathan Cameron1-3/+7
The bulk read size is based on the size of an array that also has space for the timestamp alongside the channels. Fix that and also fix alignment of the buffer passed to iio_push_to_buffers_with_timestamp. Found during an audit of all calls to this function. Fixes: 1ce0eda0f757 ("iio: mxc4005: add triggered buffer mode for mxc4005") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210501170121.512209-6-jic23@kernel.org
2021-05-17iio: core: move @id from struct iio_dev to struct iio_dev_opaqueJonathan Cameron1-1/+1
Continuing from Alexandru Ardelean's introduction of the split between driver modifiable fields and those that should only be set by the core. This could have been done in two steps to make the actual move after introducing iio_device_id() but there seemed limited point to that given how mechanical the majority of the patch is. Includes fixup from Alex for missing mxs-lradc-adc conversion. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20210426174911.397061-2-jic23@kernel.org
2021-03-25iio: fix devm_iio_trigger_alloc with parent.cocciGwendal Grignou1-1/+0
Use cocci semantic patch: @@ expression trigger, P; @@ trigger = devm_iio_trigger_alloc(P, ...); ... - trigger->dev.parent = P; To remove trigger->dev.parent, since it is set by default. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210309193620.2176163-3-gwendal@chromium.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-12-03iio:trigger: rename try_reenable() to reenable() plus return voidJonathan Cameron1-10/+6
As we no longer support a try again if we cannot reenable the trigger rename the function to reflect this. Also we don't do anything with the value returned so stop it returning anything. For the few drivers that didn't already print an error message in this patch, add such a print. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: Christian Oder <me@myself5.de> Cc: Eugen Hristev <eugen.hristev@microchip.com> Cc: Nishant Malpani <nish.malpani25@gmail.com> Cc: Daniel Baluta <daniel.baluta@oss.nxp.com> Link: https://lore.kernel.org/r/20200920132548.196452-3-jic23@kernel.org
2020-06-14iio: remove explicit IIO device parent assignmentAlexandru Ardelean1-1/+0
This patch applies the semantic patch: @@ expression I, P, SP; @@ I = devm_iio_device_alloc(P, SP); ... - I->dev.parent = P; It updates 302 files and does 307 deletions. This semantic patch also removes some comments like '/* Establish that the iio_dev is a child of the i2c device */' But this is is only done in case where the block is left empty. The patch does not seem to cover all cases. It looks like in some cases a different variable is used in some cases to assign the parent, but it points to the same reference. In other cases, the block covered by ... may be just too big to be covered by the semantic patch. However, this looks pretty good as well, as it does cover a big bulk of the drivers that should remove the parent assignment. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-06-14iio: accel: mxc4005: add support for mxc6655Christian Oder1-0/+2
The mxc6655 is fully working with the existing mxc4005 driver. Add support for it. Signed-off-by: Christian Oder <me@myself5.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19iio:accel:mxc4005: Drop unnecessary explicit casts in regmap_bulk_read callsJonathan Cameron1-2/+2
regmap_bulk_read takes a void * for its val parameter. It certainly makes no sense to cast to a (u8 *) + no need to explicitly cast at all when converting another pointer type to void *. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
2019-07-28iio: mxc4005: Use device-managed APIsChuhong Yuan1-34/+6
Use device-managed APIs to simplify the code. The remove function is redundant now and can be deleted. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288Thomas Gleixner1-9/+1
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 263 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-22iio:accel: drop assign iio_info.driver_module and iio_trigger_ops.ownerJonathan Cameron1-2/+0
The equivalent of both of these are now done via macro magic when the relevant register calls are made. The actual structure elements will shortly go away. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
2016-04-03iio: remove gpio interrupt probing from drivers that use a single interruptIrina Tirdea1-29/+0
Commit 845c877009cf014b ("i2c / ACPI: Assign IRQ for devices that have GpioInt automatically") automatically assigns the first ACPI GPIO interrupt in client->irq, so we can remove the probing code from drivers that use only one interrupt. Commit 0f0796509c07c1c7 ("iio: remove gpio interrupt probing from drivers that use a single interrupt") removes gpio interrupt probing from most drivers. This patch cleans the remaining ones. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-31iio: mxc4005: add data ready trigger for mxc4005Teodora Baluta1-1/+141
Add iio trigger for the data ready interrupt that signals new measurements for the X, Y and Z axes. Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-31iio: mxc4005: add triggered buffer mode for mxc4005Teodora Baluta1-3/+76
This patch adds support for buffered readings for the 3-axis accelerometer mxc4005. Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-31iio: accel: add support for mxc4005 accelerometerTeodora Baluta1-0/+354
This patch adds support for Memsic MXC4005XC 3-axis accelerometer. The current implementation is a minimal one as it adds raw readings for the three axes and setting scale from userspace. Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>