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* reset: sti/syscfg: replace comma with semicolonPhilipp Zabel2021-05-101-1/+1
| | | | | | | | | | | Fixes a checkpatch warning: WARNING: Possible comma where semicolon could be used #156: FILE: drivers/reset/sti/reset-syscfg.c:156: + rc->rst.ops = &syscfg_reset_ops, + rc->rst.of_node = dev->of_node; Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: sti: reset-syscfg: fix struct description warningsAlain Volmat2020-09-231-3/+4
| | | | | | | | | Fix formating of struct description to avoid warning highlighted by W=1 compilation. Fixes: e5d76075d930 ("drivers: reset: STi SoC system configuration reset controller support") Signed-off-by: Alain Volmat <avolmat@me.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152Thomas Gleixner2019-05-303-15/+3
| | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2019-05-212-0/+2
| | | | | | | | | | | | | | Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* reset: sti: Use devm_kcalloc() in syscfg_reset_controller_register()Markus Elfring2017-05-151-4/+2
| | | | | | | | | | | | | | | | * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "devm_kcalloc". * Replace the specification of a data structure by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. * Delete the local variable "size" which became unnecessary with this refactoring. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: sti: Remove STiH415/6 reset supportPeter Griffin2016-10-204-265/+0
| | | | | | | | | Support for STiH415/6 SoCs is being removed from the kernel because the platforms are obsolete. This patch removes the reset drivers for these SoC's. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: fix Kconfig menu to include reset drivers in sub-menuMasahiro Yamada2016-05-301-1/+0
| | | | | | | | | | | | | | | | In "make menuconfig", reset drivers are currently lined up together with the reset sub-system menu, like this: -*- Reset Controller Support ---- < > Hi6220 Reset Driver (It also means, the menu "Reset Controller Support" is always empty.) "Hi6220 Reset Driver" should go into the sub-menu of the "Reset Controller Support". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: sti: Make reset_control_ops constPhilipp Zabel2016-02-101-1/+1
| | | | | | The syscfg_reset_ops structure is never modified. Make it const. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: sti: add a missing blank line after declarationPhilipp Zabel2015-11-161-1/+3
| | | | | | | This just fixes a checkpatch warning, no functional change. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
* reset: sti: Provide ops .status() call-backLee Jones2015-11-161-0/+23
| | | | | Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: sti: Add support for resetting co-processorsLee Jones2015-11-161-0/+5
| | | | | Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* reset: sti: constify of_device_id arrayFabian Frederick2015-08-033-3/+3
| | | | | | | | | | of_device_id is always used as const. (See driver.of_match_table and open firmware functions) Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Maxime Coquelin <maxime.coquelin@st.com> Acked-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* ARM: STi: DT: Move reset controller constants into common locationPhilipp Zabel2015-08-033-3/+3
| | | | | | | | | By popular vote, the DT binding includes for reset controllers are located in include/dt-bindings/reset/. Move the STi reset constants in there, too, to avoid confusion. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Patrice Chotard <patrice.chotard@st.com>
* Merge tag 'driver-core-3.19-rc1' of ↵Linus Torvalds2014-12-142-2/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core update from Greg KH: "Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while" * tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits) Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries" fs: debugfs: add forward declaration for struct device type firmware class: Deletion of an unnecessary check before the function call "vunmap" firmware loader: fix hung task warning dump devcoredump: provide a one-way disable function device: Add dev_<level>_once variants ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries ath: use seq_file api for ath9k debugfs files debugfs: add helper function to create device related seq_file drivers/base: cacheinfo: remove noisy error boot message Revert "core: platform: add warning if driver has no owner" drivers: base: support cpu cache information interface to userspace via sysfs drivers: base: add cpu_device_create to support per-cpu devices topology: replace custom attribute macros with standard DEVICE_ATTR* cpumask: factor out show_cpumap into separate helper function driver core: Fix unbalanced device reference in drivers_probe driver core: fix race with userland in device_add() sysfs/kernfs: make read requests on pre-alloc files use the buffer. sysfs/kernfs: allow attributes to request write buffer be pre-allocated. fs: sysfs: return EGBIG on write if offset is larger than file size ...
| * reset: sti: drop owner assignment from platform_driversWolfram Sang2014-10-202-2/+0
| | | | | | | | | | | | | | A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* | reset: stih407: Add softreset, powerdown and picophy controllersPeter Griffin2014-10-313-0/+163
|/ | | | | | | | | | | | | | | | | | | | | | | | This patch adds softreset, powerdown and picophy reset controllers for the STiH407 SoC. With this patch three new devices are registered: - 1. st,stih407-powerdown 2. st,stih407-softreset 3. st,stih407-picophyreset All three devices use system configuration registers mapped via regmap to perform the reset or powerdown. The powerdown controller also has an acknowledgement. A separate picophy reset controller manages the different reset channels within the picophy, which have a different polarity to the other system softresets. Managing these different picophy softreset channels is necessary to correctly handle resuming from suspend when USB2 devices are plugged into the USB3 port. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
* driver: reset: sti: add keyscan for stih416Gabriel FERNANDEZ2014-05-211-0/+1
| | | | | | | | | Add keyscan reset on stih416 reset controller. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
* driver: reset: sti: add keyscan for stih415Gabriel FERNANDEZ2014-05-211-0/+1
| | | | | | | | | Add keyscan reset on stih415 reset controller. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
* drivers: reset: stih416: add softreset controllerSrinivas Kandagatla2014-03-111-0/+64
| | | | | | | | | | | | This patch adds softreset controller for STiH416 SOC, soft reset controller is based on system configuration registers which are mapped via regmap. This reset controller does not have any feedback or acknowledgement. With this patch a new device "st,stih416-softreset" is registered with system configuration registers based reset controller that controls the softreset state of the hardware such as Ethernet, IRB. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
* drivers: reset: stih415: add softreset controllerSrinivas Kandagatla2014-03-111-0/+35
| | | | | | | | | | | | This patch adds softreset controller for STiH415 SOC, soft reset controller is based on system configuration registers which are mapped via regmap. This reset controller does not have any feedback or acknowledgement. With this patch a new device "st,stih415-softreset" is registered with system configuration registers based reset controller that controls the softreset state of the hardware such as Ethernet, IRB. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
* drivers: reset: Reset controller driver for STiH416Stephen Gallimore2014-03-113-1/+84
| | | | | | | | | | | | This patch adds a reset controller platform driver for the STiH416 SoC. This initial version provides a compatible driver for the "st,stih416-powerdown" device, which registers a system configuration register based reset controller that controls the powerdown state of hardware such as the on-chip USB host controllers. Signed-off-by: Stephen Gallimore <stephen.gallimore@st.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
* drivers: reset: Reset controller driver for STiH415Stephen Gallimore2014-03-113-0/+84
| | | | | | | | | | | | This patch adds a reset controller platform driver for the STiH415 SoC. This initial version provides a compatible driver for the "st,stih415-powerdown" device, which registers a system configuration register based reset controller that controls the powerdown state of hardware such as the on-chip USB host controllers. Signed-off-by: Stephen Gallimore <stephen.gallimore@st.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
* drivers: reset: STi SoC system configuration reset controller supportStephen Gallimore2014-03-114-0/+263
This patch adds a reset controller implementation for STMicroelectronics STi family SoCs; it allows a group of related reset like controls found in multiple system configuration registers to be represented by a single controller device. System configuration registers are accessed through the regmap framework and the mfd/syscon driver. The implementation optionally supports waiting for the reset action to be acknowledged in a separate status register and supports both active high and active low reset lines. These properties are common across all the reset channels in a specific reset controller instance, hence all channels in a paritcular controller are expected to behave in the same way. Signed-off-by: Stephen Gallimore <stephen.gallimore@st.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
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