Commit Graph

312 Commits

Author SHA1 Message Date
Arnd Bergmann c142872ea4 power: reset: odroid-go-ultra: fix I2C dependency
Since this driver can only be built-in, it fails to link when
the I2C layer is in a loadable module:

x86_64-linux-ld: drivers/power/reset/odroid-go-ultra-poweroff.o: in function `odroid_go_ultra_poweroff_get_pmic_device':
odroid-go-ultra-poweroff.c:(.text+0x30): undefined reference to `i2c_find_device_by_fwnode'

Tighten the dependency to only allow enabling
POWER_RESET_ODROID_GO_ULTRA_POWEROFF is I2C is built-in as well.

Fixes: cec3b46b8b ("power: reset: add Odroid Go Ultra poweroff driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2023-02-15 23:49:40 +01:00
Neil Armstrong cec3b46b8b power: reset: add Odroid Go Ultra poweroff driver
The Hardkernel Odroid Go Ultra poweroff scheme requires requesting a poweroff
to its two PMICs in order, this represents the poweroff scheme needed to complete
a clean poweroff of the system.

This implement this scheme by implementing a self registering driver to permit
using probe defer until both pmics are finally probed.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2023-02-14 23:02:39 +01:00
Pali Rohár e6333293f2 power: reset: syscon-reboot: Add support for specifying priority
Read new optional device tree property priority for specifying priority
level of reset handler. Default value is 192 as before.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2023-02-03 13:10:56 +01:00
Anjelique Melendez 955d095a72 power: reset: qcom-pon: add support for qcom,pmk8350-pon compatible string
Add support for the new "qcom,pmk8350-pon" comptaible string.

Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-09-11 12:09:10 +02:00
Linus Torvalds f7cdaeeab8 power supply and reset changes for the v6.0 series
power-supply core:
  - none
 
 drivers:
  - pwr-mlxbf: new reset driver for Mellanox BlueField
  - at91-reset: SAMA7G5 support
  - ab8500: continue refurbishing
  - misc. minor fixes
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Merge tag 'for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "No core patches, only driver updates:

   - pwr-mlxbf: new reset driver for Mellanox BlueField

   - at91-reset: SAMA7G5 support

   - ab8500: continue refurbishing

   - misc minor fixes"

* tag 'for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (29 commits)
  power: supply: olpc_battery: Hold the reference returned by of_find_compatible_node
  power: supply: ab8500: add missing destroy_workqueue in ab8500_charger_bind
  power: supply: ab8500: Remove flush_scheduled_work() call.
  power: supply: ab8500_fg: drop duplicated 'is' in comment
  power: supply: ab8500: Drop external charger leftovers
  power: supply: ab8500: Add MAINTAINERS entry
  dt-bindings: power: reset: qcom,pshold: convert to dtschema
  power: supply: Fix typo in power_supply_check_supplies
  power: reset: pwr-mlxbf: change rst_pwr_hid and low_pwr_hid from global to local variables
  power: reset: pwr-mlxbf: add missing include
  power: reset: at91-reset: add support for SAMA7G5
  power: reset: at91-reset: add reset_controller_dev support
  power: reset: at91-reset: add at91_reset_data
  power: reset: at91-reset: document structures and enums
  dt-bindings: reset: add sama7g5 definitions
  dt-bindings: reset: atmel,at91sam9260-reset: add sama7g5 bindings
  dt-bindings: reset: convert Atmel/Microchip reset controller to YAML
  power: reset: pwr-mlxbf: add BlueField SoC power control driver
  power: supply: ab8500: Exit maintenance if too low voltage
  power: supply: ab8500: Respect charge_restart_voltage_uv
  ...
2022-08-12 09:37:33 -07:00
Linus Torvalds c1c76700a0 SPDX changes for 6.0-rc1
Here is the set of SPDX comment updates for 6.0-rc1.
 
 Nothing huge here, just a number of updated SPDX license tags and
 cleanups based on the review of a number of common patterns in GPLv2
 boilerplate text.  Also included in here are a few other minor updates,
 2 USB files, and one Documentation file update to get the SPDX lines
 correct.
 
 All of these have been in the linux-next tree for a very long time.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx

Pull SPDX updates from Greg KH:
 "Here is the set of SPDX comment updates for 6.0-rc1.

  Nothing huge here, just a number of updated SPDX license tags and
  cleanups based on the review of a number of common patterns in GPLv2
  boilerplate text.

  Also included in here are a few other minor updates, two USB files,
  and one Documentation file update to get the SPDX lines correct.

  All of these have been in the linux-next tree for a very long time"

* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
  Documentation: samsung-s3c24xx: Add blank line after SPDX directive
  x86/crypto: Remove stray comment terminator
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
  ...
2022-08-04 12:12:54 -07:00
Tom Rix a578cc3af5 power: reset: pwr-mlxbf: change rst_pwr_hid and low_pwr_hid from global to local variables
sparse reports
drivers/power/reset/pwr-mlxbf.c:19:12: warning: symbol 'rst_pwr_hid' was not declared. Should it be static?
drivers/power/reset/pwr-mlxbf.c:20:12: warning: symbol 'low_pwr_hid' was not declared. Should it be static?

Both rst_pwr_hid and low_pwr_hid are only used in a single function
so they should be local variables.

Fixes: a4c0094fcf ("power: reset: pwr-mlxbf: add BlueField SoC power control driver")
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-29 21:41:59 +02:00
Asmaa Mnebhi a5a3d94fc4 power: reset: pwr-mlxbf: add missing include
Add missing include for devm_work_autocancel to fix build error:

drivers/power/reset/pwr-mlxbf.c: In function 'pwr_mlxbf_probe':
drivers/power/reset/pwr-mlxbf.c:67:15: error: implicit declaration of function 'devm_work_autocancel' [-Werror=implicit-function-declaration]
   67 |         err = devm_work_autocancel(dev, &priv->send_work, pwr_mlxbf_send_work);
      |               ^~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Fixes: a4c0094fcf ("power: reset: pwr-mlxbf: add BlueField SoC power control driver")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-29 03:39:08 +02:00
Sebastian Reichel f94ba7039f power: reset: at91-reset: add support for sama7g5
This adds reset controller support for SAMA7G5 SoCs. Compared with
 previous version the reset controller embedded on SAMA7G5 is able to
 reset individual on SoC devices (e.g. USB PHY controllers).
 
 Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Merge tag 'at91-reset-sama7g5-signed' into psy-next

This adds reset controller support for SAMA7G5 SoCs. Compared with
previous version the reset controller embedded on SAMA7G5 is able to
reset individual on SoC devices (e.g. USB PHY controllers).

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-17 17:28:30 +02:00
Claudiu Beznea a22c8e8834 power: reset: at91-reset: add support for SAMA7G5
Add support for SAMA7G5 including reset_controller_dev support for 3 lines
(which are USB PHYs).

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-17 17:20:00 +02:00
Claudiu Beznea 5f37c797a4 power: reset: at91-reset: add reset_controller_dev support
SAMA7G5 reset controller has 5 extra lines that goes to different devices
(3 lines to USB PHYs, 1 line to DDR controller, 1 line to DDR PHY
controller). These reset lines could be requested by different controller
drivers (e.g. USB PHY driver) and these controllers' drivers could
assert/deassert these lines when necessary. Thus add support for
reset_controller_dev which brings this functionality.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-17 17:20:00 +02:00
Claudiu Beznea e17ad25bc3 power: reset: at91-reset: add at91_reset_data
Add struct at91_reset_data to keep per platform related information.
This is a prerequisite for adding reset_controller_dev support.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-17 17:20:00 +02:00
Claudiu Beznea cd4ed0ab80 power: reset: at91-reset: document structures and enums
Document structures and enums.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-17 17:20:00 +02:00
Asmaa Mnebhi a4c0094fcf power: reset: pwr-mlxbf: add BlueField SoC power control driver
This driver supports handling 2 BlueField power states controlled by
GPIO interrupts:

1) chip reset and
2) low power mode

Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-17 17:05:28 +02:00
Thomas Gleixner 2aec85b26f treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2)
Based on the normalized pattern:

    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 version 2  this program is distributed as is
    without any warranty of any kind whether express or implied 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.

Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-10 14:51:35 +02:00
Miaoqian Lin 80192eff64 power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe
of_find_matching_node_and_match() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 0e545f57b7 ("power: reset: driver for the Versatile syscon reboot")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-06-09 21:08:38 +02:00
Miaoqian Lin ba18dad0fb power: reset: gemini-poweroff: Fix IRQ check in gemini_poweroff_probe
platform_get_irq() returns negative error number instead 0 on failure.
And the doc of platform_get_irq() provides a usage example:

    int irq = platform_get_irq(pdev, 0);
    if (irq < 0)
        return irq;

Fix the check of return value to catch errors correctly.

Fixes: f7a388d6cd ("power: reset: Add a driver for the Gemini poweroff")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-02-01 11:07:59 +01:00
Linus Torvalds 039053c119 power supply and reset changes for the v5.17 series
power-supply core:
  - introduce "No Battery" health status
  - use library interpolation
  - add power_supply_battery_info documentation
  - migrate power_supply_battery_info to be fully heap allocated
    making it more obvious that it needs to be free'd manually
 
 Drivers:
  - max77976-charger: new driver
  - qcom-smbb: add pm8226 charger support
  - bq25890-charger: support battery temperature readings
  - ab8500: continue migrating towards using standard core APIs
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Merge tag 'for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:

   - introduce "No Battery" health status

   - use library interpolation

   - add power_supply_battery_info documentation

   - migrate power_supply_battery_info to be fully heap allocated making
     it more obvious that it needs to be free'd manually

  Drivers:

   - max77976-charger: new driver

   - qcom-smbb: add pm8226 charger support

   - bq25890-charger: support battery temperature readings

   - ab8500: continue migrating towards using standard core APIs"

* tag 'for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
  power: supply_core: Pass pointer to battery info
  power: supply: ab8500: Fix the error handling path of ab8500_charger_probe()
  power: reset: mt6397: Check for null res pointer
  power: bq25890: add POWER_SUPPLY_PROP_TEMP
  power: supply: qcom_smbb: support pm8226
  dt-bindings: power: supply: pm8941-charger: add pm8226
  power: supply: ab8500: Standardize capacity lookup
  power: supply: ab8500: Standardize temp res lookup
  power: supply: ab8500: Standardize CV voltage
  power: supply: ab8500: Standardize CC current
  power: supply: ab8500: Make recharge capacity a constant
  power: supply: ab8500: Standardize termination current
  power: supply: ab8500: Standardize internal resistance
  power: supply: ab8500_fg: Init battery data in bind()
  power: supply: ab8500: Standardize voltages
  power: supply: ab8500: Standardize technology
  power: supply: ab8500: Standardize design capacity
  power: supply: ab8500: Use only one battery type
  power: supply: ab8500: Drop unused battery types
  power: supply: ab8500: Standardize operating temperature
  ...
2022-01-11 11:20:27 -08:00
Jiasheng Jiang 1c1348bf05 power: reset: mt6397: Check for null res pointer
The return value of platform_get_resource() needs to be checked.
To avoid use of error pointer in case that there is no suitable
resource.

Fixes: d28c74c107 ("power: reset: add driver for mt6323 poweroff")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-01-03 18:30:21 +01:00
Nathan Chancellor 644106cdb8 power: reset: ltc2952: Fix use of floating point literals
A new commit in LLVM causes an error on the use of 'long double' when
'-mno-x87' is used, which the kernel does through an alias,
'-mno-80387' (see the LLVM commit below for more details around why it
does this).

drivers/power/reset/ltc2952-poweroff.c:162:28: error: expression requires  'long double' type support, but target 'x86_64-unknown-linux-gnu' does not support it
        data->wde_interval = 300L * 1E6L;
                                  ^
drivers/power/reset/ltc2952-poweroff.c:162:21: error: expression requires  'long double' type support, but target 'x86_64-unknown-linux-gnu' does not support it
        data->wde_interval = 300L * 1E6L;
                           ^
drivers/power/reset/ltc2952-poweroff.c:163:41: error: expression requires  'long double' type support, but target 'x86_64-unknown-linux-gnu' does not support it
        data->trigger_delay = ktime_set(2, 500L*1E6L);
                                               ^
3 errors generated.

This happens due to the use of a 'long double' literal. The 'E6' part of
'1E6L' causes the literal to be a 'double' then the 'L' suffix promotes
it to 'long double'.

There is no visible reason for floating point values in this driver, as
the values are only assigned to integer types. Use NSEC_PER_MSEC, which
is the same integer value as '1E6L', to avoid changing functionality but
fix the error.

Fixes: 6647156c00 ("power: reset: add LTC2952 poweroff driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/1497
Link: a8083d42b1
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-11-16 15:22:39 +01:00
Claudiu Beznea f558c8072c power: reset: at91-reset: check properly the return value of devm_of_iomap
devm_of_iomap() returns error code or valid pointer. Check its return
value with IS_ERR().

Fixes: bd3127733f ("power: reset: at91-reset: use devm_of_iomap")
Reported-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-10-02 17:40:34 +02:00
Thomas Gleixner 067930724e power: reset: ltc2952: Use hrtimer_forward_now()
hrtimer_forward_now() provides the same functionality as the open coded
hrtimer_forward() invocation. Prepares for removal of hrtimer_forward()
from the public interfaces.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-09-24 23:35:11 +02:00
Emil Renner Berthing 80698507e0 power: reset: Add TPS65086 restart driver
The only way to reset the BeagleV Starlight v0.9 board[1] properly is to
tell the PMIC to reset itself which will then assert the external reset
lines of the SoC, USB hub and ethernet phy.

This adds a driver to register a reset handler to do just that.

[1] https://github.com/beagleboard/beaglev-starlight

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-08-16 14:48:51 +02:00
Pawel Dembicki 0c77ec3da8 power: reset: linkstation-poweroff: add new device
This commit introduces support for NETGEAR ReadyNAS Duo v2.
This device use bit 4 of LED[2:0] Polarity Control Register to indicate
AC Power loss.

For more details about AC loss detection in NETGEAR ReadyNAS Duo v2,
please look at the file:
RND_5.3.13_WW.src/u-boot/board/mv_feroceon/mv_hal/usibootup/usibootup.c
from Netgear GPL sources.

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-08-13 19:16:41 +02:00
Pawel Dembicki e2f471efe1 power: reset: linkstation-poweroff: prepare for new devices
This commit prepare driver for another device support.

New power_off_cfg structure describes two most important things: name of
mdio bus and pointer to register setting function. It allow to add new
device with different mdio bus node and other phy register config.

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-08-13 19:12:26 +02:00
Linus Torvalds c6e8c51f69 power supply and reset changes for the v5.14 series
battery/charger driver changes:
  * convert charger-manager binding to YAML
  * drop bd70528-charger driver
  * drop pm2301-charger driver
  * introduce rt5033-battery driver
  * misc. improvements and fixes
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Merge tag 'for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Battery/charger driver changes:

   - convert charger-manager binding to YAML

   - drop bd70528-charger driver

   - drop pm2301-charger driver

   - introduce rt5033-battery driver

   - misc improvements and fixes"

* tag 'for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (42 commits)
  power: supply: ab8500: Fix an old bug
  power: supply: axp288_fuel_gauge: remove redundant continue statement
  power: supply: axp288_fuel_gauge: Make "T3 MRD" no_battery_list DMI entry more generic
  power: supply: axp288_fuel_gauge: Rename fuel_gauge_blacklist to no_battery_list
  power: supply: bq24190_charger: drop of_match_ptr() from device ID table
  drivers: power: add missing MODULE_DEVICE_TABLE in keystone-reset.c
  power: supply: ab8500: add missing MODULE_DEVICE_TABLE
  power: supply: charger-manager: add missing MODULE_DEVICE_TABLE
  power: reset: regulator-poweroff: add missing MODULE_DEVICE_TABLE
  power: supply: cpcap-charger: get the battery inserted infomation from cpcap-battery
  power: supply: cpcap-battery: invalidate config when incompatible measurements are read
  power: supply: axp20x_battery: allow disabling battery charging
  power: supply: max17040: drop unused platform data support
  power: supply: max17040: simplify POWER_SUPPLY_PROP_ONLINE
  power: supply: max17040: remove non-working POWER_SUPPLY_PROP_STATUS
  power: reset: at91-sama5d2_shdwc: Remove redundant error printing in at91_shdwc_probe()
  power: reset: gpio-poweroff: add missing MODULE_DEVICE_TABLE
  power: supply: rt5033_battery: Fix device tree enumeration
  dt-bindings: power: supply: Add DT schema for richtek,rt5033-battery
  power: supply: Drop BD70528 support
  ...
2021-07-07 13:17:48 -07:00
Andy Shevchenko f39650de68 kernel.h: split out panic and oops helpers
kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.

There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain

At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.

[akpm@linux-foundation.org: thread_info.h needs limits.h]
[andriy.shevchenko@linux.intel.com: ia64 fix]
  Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com

Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Co-developed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Helge Deller <deller@gmx.de> # parisc
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-01 11:06:04 -07:00
Yu Jiahua 30e677a2ba drivers: power: add missing MODULE_DEVICE_TABLE in keystone-reset.c
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Signed-off-by: Yu Jiahua <yujiahua1@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-06-30 00:06:37 +02:00
Zou Wei 4465b3a621 power: reset: regulator-poweroff: add missing MODULE_DEVICE_TABLE
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-06-29 23:55:12 +02:00
Zhen Lei 8ef9f687ab power: reset: at91-sama5d2_shdwc: Remove redundant error printing in at91_shdwc_probe()
When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.

Therefore, remove the error printing here to simplify code and reduce the
binary size.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-06-04 13:04:01 +02:00
Bixuan Cui ed3443fb4d power: reset: gpio-poweroff: add missing MODULE_DEVICE_TABLE
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-06-04 12:58:30 +02:00
Bixuan Cui e318c3c2ae power: reset: restart-poweroff: Add missing MODULE_DEVICE_TABLE
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-04-12 21:18:52 +02:00
Chen Lifu 2d54a2222c power: reset: hisi-reboot: add missing MODULE_DEVICE_TABLE
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Lifu <chenlifu@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-04-09 13:50:01 +02:00
Marek Czerski 52473b0740 power: reset: ltc2952: make trigger delay configurable
Make trigger delay configurable through device tree with
trigger-delay-ms property.

Trigger delay is the time to wait before starting shutdown
sequence after trigger line assertion.
Trigger delay must take into account the OFFT time configured
with the capacitor connected to OFFT pin of the LTC2952 chip.
Basically, the higher the capacitance connected to OFFT pin,
the larger trigger delay must be.

Signed-off-by: Marek Czerski <ma.czerski@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-04-05 12:05:51 +02:00
Hao Fang 9f45275a34 power: reset: hisi-reboot: use the correct HiSilicon copyright
s/Hisilicon/HiSilicon/g.
It should use capital S, according to
https://www.hisilicon.com/en/terms-of-use.

Signed-off-by: Hao Fang <fanghao11@huawei.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-04-02 13:58:34 +02:00
Claudiu Beznea bd3127733f power: reset: at91-reset: use devm_of_iomap
Use devm_of_iomap() to map resources. This will avoid the necessity to
track the mapped resources and free them on failure path or on remove.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-04-02 13:11:45 +02:00
Daniel Golle 3aeaf50938 power: reset: replace curly brackets in Makefile
Normal parentheses should be used when referring to config variables
in Makefile. Replace the accidentally introduced curly brackets by
regular parentheses.

Fixes: a7f79f9954 ("power: reset: add driver for LinkStation power off")
Acked-by: Daniel González Cabanelas <dgcbueu@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-03-23 16:25:56 +01:00
dongjian 091d0a3a48 power: reset: remove unneeded semicolon
Fixes coccicheck warning:
drivers/power/reset/vexpress-poweroff.c:136:2-3: Unneeded semicolon

Signed-off-by: dongjian <dongjian@yulong.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-03-22 14:55:50 +01:00
Arnd Bergmann 9483b961ad power/reset: remove zte zx driver
The zte zx platform is getting removed, so this driver is no
longer needed.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-01-25 01:00:06 +01:00
Claudiu Beznea b7e15bd0c1 power: reset: at91-sama5d2_shdwc: add support for sama7g5
Add support for SAMA7G5 by adding proper struct reg_config structure
and since SAMA7G5 is not currently on LPDDR setups the commit also
avoid the mapping of DDR controller.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-01-16 14:41:48 +01:00
Claudiu Beznea 95aa21a3f1 power: reset: at91-sama5d2_shdwc: fix wkupdbc mask
According to datasheet WKUPDBC mask is b/w bits 26..24.

Fixes: f80cb48843 ("power: reset: at91-shdwc: add new shutdown controller driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-01-16 14:41:48 +01:00
Cristian Ciocaltea 3235d13050 power: reset: Add poweroff driver for ATC260x PMICs
This driver provides poweroff and reboot support for a system through
the ATC2603C and ATC2609A chip variants of the Actions Semi ATC260x
family of PMICs.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-01-13 22:17:23 +01:00
Daniel González Cabanelas 1027a42c25 power: reset: linkstation-poweroff: add missing put_device()
The of_mdio_find_bus() takes a reference to the underlying device
structure, we should release that reference using a put_device() call.

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2020-12-29 15:59:49 +01:00
Michael Klein ec66096b76 power: reset: new driver regulator-poweroff
This driver registers a pm_power_off function to turn off the board
by force-disabling a devicetree-defined regulator.

Signed-off-by: Michael Klein <michael@fossekall.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-13 00:14:15 +01:00
Helge Deller 36dbca148b power: reset: Use printk format symbol resolver
Instead of looking up a symbol name by hand, use the %ps printk format
specifier.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-11-30 02:10:18 +01:00
Gregory CLEMENT aa4302c493 power: reset: ocelot: Add support 2 other MIPS based SoCs
This adds reset support for Luton and Jaguar2 in the ocelot-reset
driver. They are both MIPS based belonging to the Vcore III family.

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-11-29 22:34:07 +01:00
Geert Uytterhoeven 7007fab4ae power: reset: POWER_RESET_OCELOT_RESET should depend on Ocelot or Sparx5
To add support for Sparx5, the dependency on MSCC_OCELOT was removed.
However, this increases exposure of the driver question not only to
Sparx5 platforms, but to everyone.  Hence re-add the dependency on
MSCC_OCELOT, and extend it with ARCH_SPARX5, to prevent asking the user
about this driver when configuring a kernel without Ocelot and Sparx5
support.

Fixes: ec871696b7 ("power: reset: ocelot: Add support for Sparx5")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-10-15 21:37:59 +02:00
Lars Povlsen ec871696b7 power: reset: ocelot: Add support for Sparx5
This adds reset support for Sparx5 in the ocelot-reset driver.

Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-10-08 23:24:04 +02:00
Daniel González Cabanelas a7f79f9954 power: reset: add driver for LinkStation power off
Some Buffalo LinkStations perform the power off operation, at restart
time, depending on the state of an output pin (LED2/INTn) at the ethernet
PHY. This pin is also used to wake the machine when a WoL packet is
received by the PHY.

The driver is required by the Buffalo LinkStation LS421DE (ARM MVEBU),
and other models. Without it, the board remains forever halted if a
power off command is executed, unless the PSU is disconnected and
connected again.

Add the driver to provide the power off function and also make the WoL
feature to be available.

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-07-28 01:49:32 +02:00
Alexander A. Klimov f03a3497fb power: reset: keystone-reset: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-07-26 23:46:16 +02:00