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2018-11-11staging: mt7621-pci: remap and use sysctl from device treeSergio Paracuellos
There are some pointer read and writes which can be replaced properly using sysctl registers readed from device tree. Remap sysctl registers and replace in proper places. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-dts: add sysctl registers base address to pcieSergio Paracuellos
Add missing system control registers address in pcie node of the device tree. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: rename 'mt7621_pcie_enable_port' into ↵Sergio Paracuellos
'mt7621_pcie_init_port' Rename function 'mt7621_pcie_enable_port' with a name which is better for what the function is really doing calling it 'mt7621_pcie_init_port'. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: debug port N_FTS inside 'mt7621_pcie_enable_port'Sergio Paracuellos
Move debug for the port N_FTS from driver probe function to the more appropiate one 'mt7621_pcie_enable_port'. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: factor out 'mt7621_enable_phy' functionSergio Paracuellos
Factor out a new function 'mt7621_enable_phy' for enabling the pcie phy for each port and call it from 'mt7621_pcie_enable_port'. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: rewrite pcie phy related functionsSergio Paracuellos
Function 'bypass_pipe_rst' and 'set_phy_for_ssc' can be written in a cleaner way. Instead of use comments to see which bits are the ones which are being enabled add new macros with that information using BIT and GENMASK kernel macros. Avoid the use of set_pcie_phy which is kind of dark and use new macros also resetting and adding bits using bitwise operators directly in the code. Now these function are offset-based on the port to use them cleaner in driver probe functio and improving readability. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: reagroup reset related macros all togetherSergio Paracuellos
Reset bits related macros are in different parts. Reagroup all of them together to improve readability. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: remove reset related unused macrosSergio Paracuellos
There are three macros which are not being used at all. Remove them. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: remove two commented code linesSergio Paracuellos
This two lines whch are commented are not needed at all. Remove them. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: remove GPL2+ text from license headerSergio Paracuellos
This file has a valid SPDX license line added so reamining GPL2+ boilerplate text is not needed at all. Remove it. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: remove [ASSERT|DEASSERT]_SYSRST_PCIE macrosSergio Paracuellos
Driver is using reset_control kernel API's to manage this so this two macros are not needed anymore. Remove them. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: factor out 'mt7621_pcie_enable_port' functionSergio Paracuellos
Driver probe function is a mess and shall be refactored a lot. At first make use of assert and deassert control factoring out a new function called 'mt7621_pcie_enable_port'. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: add two helpers for read and write pcie register portsSergio Paracuellos
mt7621-pcie_port data structure has filed 'base' as the base address for read and write related port registers. Create two inline functions 'pcie_port_read' and 'pcie_port_write' to make this task easier and code more readable. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: replace return value if devm_pci_alloc_host_bridge call ↵Sergio Paracuellos
fails Driver probe function calls 'devm_pci_alloc_host_bridge'. If this call fails it is returning -ENODEV. Return -ENOMEM instead which is more accurate for this. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: mt7621-pci: parse and init port data from device treeSergio Paracuellos
Add initialization of each PCIe port reading and initializing data using device tree. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: wilc1000: update wilc1000 driver maintainer idsAjay Singh
We would like to update the maintainer email id's for wilc1000 driver. Signed-off-by: Aditya Shankar <aditya.shankar@microchip.com> Signed-off-by: Ganesh Krishna <ganesh.krishna@microchip.com> Signed-off-by: Adham Abozaeid <adham.abozaeid@microchip.com> Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-11staging: iio: ad7816: Set RD/WR pin and CONVST pin as outputs.Nishad Kamdar
The RD/WR pin and CONVST pin are logical inputs to the AD78xx chip as per the datasheet. Hence convert them to outputs. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging: iio: ad7816: Do not use busy_pin in case of AD7818Nishad Kamdar
AD7818 does not support busy_pin functionality as per datasheet. Hence drop busy_pin when AD7818 is used. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio: adc: meson-saradc: add support for the chip's temperature sensorMartin Blumenstingl
Channel 6 of the SAR ADC can be switched between two inputs: SAR_ADC_CH6 input (an actual pad on the SoC) and the signal from the temperature sensor inside the SoC. To get usable results from the temperature sensor we need to read the corresponding calibration data from the eFuse and pass it to the SAR ADC registers. If the temperature sensor is not calibrated (the eFuse data contains a bit for this) then the driver will only register the iio_chan_spec's for voltage measurements. This only enables the temperature sensor for the Meson8 SoC. Meson8b and Meson8m2 SoCs can be supported in the future as well but we first need a way to pass the fifth TSC (temperature sensor coefficient) bit to the HHI register area (apart from that the infrastructure as already implemented for Meson8 can be used). On the 64-bit SoCs (GXBB, GXL and GXM) the temperature sensor inside SAR ADC is firmware-controlled (by BL30, we can simply use the SCPI hwmon driver to get the chip temperature). To keep the devicetree interface backwards compatible we simply skip the temperature sensor initialization if no eFuse nvmem cell is passed via devicetree. The public documentation for the SAR ADC IP block does not explain how to use the registers to read the temperature. The logic from this patch is based on reading and understanding Amlogic's GPL kernel sources. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11dt-bindings: iio: adc: meson-saradc: add temperature sensor supportMartin Blumenstingl
The 32-bit Meson8 SoC can use the SAR ADC to read the chip temperature. This requires setting the correct TSC (temperature sensor coefficient), which is programmed into the eFuse during the manufacturing process. Meson8b and Meson8m2 are not supported yet because they have a 5-bit TSC and only the first four bits are stored inside the SAR ADC registers. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging:iio:ad2s90: Check channel type at read_rawMatheus Tavares
This patch adds a channel type check at the beginning of the ad2s90_read_raw function. Since ad2s90 has only one channel, it just checks if the given channel is the expected one and if not, return -EINVAL. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging:iio:ad2s90: Add IIO_CHAN_INFO_SCALE to channel spec and read_rawVictor Colombo
This patch adds the IIO_CHAN_INFO_SCALE mask to ad2s90_chan and implements the relative read behavior at ad2s90_read_raw. Signed-off-by: Victor Colombo <victorcolombo@gmail.com> Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging:iio:ad2s90: Move device registration to the end of probeMatheus Tavares
Previously, devm_iio_device_register was being called before the spi_setup call and the spi_device's max_speed_hz and mode assignments. This could lead to a race condition since the driver was still being set up after it was already made ready to use. To fix it, this patch moves the device registration to the end of ad2s90_probe. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging:iio:ad2s90: Remove always overwritten assignmentMatheus Tavares
This patch removes an initial assignment to the variable ret at probe, that was always overwritten. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging:iio:ad2s90: Make probe handle spi_setup failureMatheus Tavares
Previously, ad2s90_probe ignored the return code from spi_setup, not handling its possible failure. This patch makes ad2s90_probe check if the code is an error code and, if so, do the following: - Call dev_err with an appropriate error message. - Return the spi_setup's error code. Note: The 'return ret' statement could be out of the 'if' block, but this whole block will be moved up in the function in the patch: 'staging:iio:ad2s90: Move device registration to the end of probe'. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging:iio:ad2s90: Make read_raw return spi_read's error codeMatheus Tavares
Previously, when spi_read returned an error code inside ad2s90_read_raw, the code was ignored and IIO_VAL_INT was returned. This patch makes the function return the error code returned by spi_read when it fails. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging: iio: ad7780: fix offset read valueRenato Lui Geh
Variable val subtracted an uninitialized value on IIO_CHAN_INFO_OFFSET. This was fixed by assigning the correct value instead. Signed-off-by: Renato Lui Geh <renatogeh@gmail.com> Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging: iio: ad2s1210: Add device tree table.Nishad Kamdar
Add device tree table for matching vendor ID. Note that as the driver is still heavily in flux and there are some non obvious aspects to a comprehensive binding, that binding will be submitted at a later date (before leaving staging!) Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging: iio: ad2s1210: Drop the gpioin flag.Nishad Kamdar
Drop gpioin flag which decides how the GPIOs are controlled as the GPIOs must be outputs for the host as per the datasheet. Removes need for platform data so that is dropped as well. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging: iio: ad2s1210: Switch to the gpio descriptor interfaceNishad Kamdar
Use the gpiod interface instead of the deprecated old non-descriptor interface. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio: potentiometer: tpl0102: add IIO_AVAIL_RANGE supportMatt Ranostay
Report the step range of the respective potentiometers that are possible to userspace. Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11dt-bindings: iio: dac: Add ti,dac7311 device tree bindings in documentationCharles-Antoine Couret
Description how to invoke ti-dac7311 driver from device tree file. Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio:dac:ti-dac7311 Add driver for Texas Instrument DAC7311Charles-Antoine Couret
It is a driver for Texas Instruments 8/10/12-bit 1-channel compatible with DAC6311 and DAC5311 chips. Datasheet of this chip: http://www.ti.com/lit/ds/symlink/dac7311.pdf Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11dt-bindings: iio: magn: add LSM9DS1 bindingsMartin Kelly
Add DT binding documentation for the LSM9DS1 magnetometer. Signed-off-by: Martin Kelly <martin@martingkelly.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11staging: iio: adc: ad7280a: don't cast type inside switch expressionSlawomir Stepien
The type promotion will kick in, so the comparison will work. Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio:magnetometer: st_magn: add BDU settingsMartin Kelly
LIS3MDL and LSM9DS1 are missing BDU settings in their register maps, so add them. I don't have a LIS3MDL sensor to test, but this works correctly on the LSM9DS1, which has the same register map. Signed-off-by: Martin Kelly <martin@martingkelly.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio:magnetometer: st_magn: add LSM9DS1 supportMartin Kelly
Update the sensor settings to support the LSM9DS1 sensor. Although the LSM9DS1 accelerometer and gyroscope are coupled together to use the same FIFO, the magnetometer is separate and can be cleanly supported without refactoring the existing driver. Signed-off-by: Martin Kelly <martin@martingkelly.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio: magnetometer: add clarifying commentMartin Kelly
Add a comment clarifying better when to use <device_name> vs <device_name>-magn in compatibility strings. Signed-off-by: Martin Kelly <martin@martingkelly.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-11iio: potentiometer: tpl0102: switch to using pointer to chip configMatt Ranostay
More concise to have a pointer to tpl0102_cfg struct in the iio_priv data than an integer to an index of an array. Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com> Reviewed-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-09staging: greybus: remove unmatched right bracketIoannis Valasakis
Remove unmatched right bracket. Reported by uncrustify. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: remove comparison to BOOLIoannis Valasakis
Remove two instances of a comparison to BOOL. Reported by coccinelle. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: remove extra space before tabIoannis Valasakis
Remove extra spaces before the tab character inside a comment section. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: add extra space around OR operatorIoannis Valasakis
Add extra spaces around the OR operator. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: remove multiple blank linesIoannis Valasakis
Remove extra blank lines to conform with coding style. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: remove space before tabIoannis Valasakis
Remove extra space before a tab character. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: remove multiple blank linesIoannis Valasakis
Remove continuous multiple blank lines. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: correct SPDX License IdentifierIoannis Valasakis
Replace SPDX License Identifier comments with C comments. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: align arguments with parenthesesIoannis Valasakis
Align arguments with the right side of the open left parentheses. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: fix SPDX License IdentifierIoannis Valasakis
Replace the SPDX identifier with standard C comment. Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09staging: greybus: align parameters to parenthesesIoannis Valasakis
Align parameters to the right side of the left parentheses Reported by checkpatch. Signed-off-by: Ioannis Valasakis <code@wizofe.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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