| Commit message (Collapse) | Author | Age | Files | Lines |
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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
...
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of_find_compatible_node
In olpc_battery_probe(), we should hold the reference returned by
of_find_compatible_node() and use it to call of_node_put() for
refcount balance.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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ab8500_charger_bind misses destroy_workqueue in error path,
this patch fixes that.
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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It seems to me that ab8500 driver is using dedicated workqueues and
is not calling schedule{,_delayed}_work{,_on}(). Then, there will be
no work to flush using flush_scheduled_work().
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Fix word duplication typo 'is is' -> 'is'.
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
[update commit message]
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Some leftover code for external chargers only used with
unreleased ASIC revisions and the header file for the
unsupported PM2301 was left behind in an earlier cleanup,
fix it by deleting the remnants.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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It seems to be a typo, there is no actual BUG, but it's better to
fix it to avoid any possible BUG after we change the type of
supplied_from.
Signed-off-by: Schspa Shi <schspa@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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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: a4c0094fcf76 ("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>
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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: a4c0094fcf76 ("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>
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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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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>
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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>
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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>
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Document structures and enums.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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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>
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The maintenance charging is supposedly designed such that the
maintenance current compensates for the battery discharge curve,
and as the charging progress from CC/CV -> maintenance A ->
maintenance B states, we end up on a reasonable voltage to
restart ordinary CC/CV charging after the safety timer at the
maintenance B state exits.
However: old batteries discharge quicker, and in an old
battery we might not get to the expiration of the maintenance B
timer before the battery is completely depleted and the system
powers off with an empty battery.
This is hardly the desire of anyone leaving their phone in the
charger for a few days!
Introduce a second clause in both maintenance states such that
we exit the state and return to ordinary CC/CV charging if
the voltage drops below charge_restart_voltage_uv or 95%
if this is not defined for the battery.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The battery info contains a voltage indicating when the voltage
is so low that it is time to restart the CC/CV charging.
Make the AB8500 respect and prioritize this setting over the
hardcoded 95% threshold.
Break out the check into its own function and add some safeguards
so we do not run into unpredictable side effects.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Similar to the handling of cros_usbpd_charger_ec_command in commit 441d38c60fbe
("power: supply: cros_usbpd: Use struct_size() helper in kzalloc()"),
we thought a patch might be needed here as well.
Make use of the struct_size() helper instead of an open-coded version,
in order to avoid any potential type mistakes or integer overflows that,
in the worst scenario, could lead to heap overflows.
Signed-off-by: Xiaohui Zhang <xiaohuizhang@ruc.edu.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Delete the redundant word 'is'.
Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The print function dev_err() is redundant because
platform_get_irq() already prints an error.
Eliminate the follow coccicheck warning:
./drivers/power/supply/goldfish_battery.c:225:2-9: line 225 is
redundant because platform_get_irq() already prints an error
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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My Bootlin address is preferred from now on.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- Microsoft Surface:
- SSAM hot unplug support
- Surface Pro 8 keyboard cover support
- Tablet mode switch support for Surface Pro 8 and Surface Laptop
Studio
- thinkpad_acpi:
- AMD Automatice Mode Transitions (AMT) support
- Mellanox:
- Vulcan chassis COMe NVSwitch management support
- XH3000 support
- New generic/shared Intel P2SB (Primary to Sideband) support
- Lots of small cleanups
- Various small bugfixes
- Various new hardware ids / quirks additions
* tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (105 commits)
platform/x86/intel/vsec: Fix wrong type for local status variables
platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency
platform/x86: pmc_atom: Fix comment typo
platform/surface: gpe: Add support for 13" Intel version of Surface Laptop 4
platform/olpc: Fix uninitialized data in debugfs write
platform/mellanox: mlxreg-lc: Fix error flow and extend verbosity
platform/x86: pmc_atom: Match all Lex BayTrail boards with critclk_systems DMI table
platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource()
tools/power/x86/intel-speed-select: Remove unneeded semicolon
tools/power/x86/intel-speed-select: Fix off by one check
platform/surface: tabletsw: Fix __le32 integer access
Documentation/ABI: Add new attributes for mlxreg-io sysfs interfaces
Documentation/ABI: mlxreg-io: Fix contact info
platform/mellanox: mlxreg-io: Add locking for io operations
platform/x86: mlx-platform: Add COME board revision register
platform/x86: mlx-platform: Add support for new system XH3000
platform/x86: mlx-platform: Introduce support for COMe NVSwitch management module for Vulcan chassis
platform/x86: mlx-platform: Add support for systems equipped with two ASICs
platform/x86: mlx-platform: Add cosmetic changes for alignment
platform/x86: mlx-platform: Make activation of some drivers conditional
...
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registration
Use newly introduced client device wrapper functions for notifier
registration and unregistration.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20220527023447.2460025-7-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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registration
Use newly introduced client device wrapper functions for notifier
registration and unregistration.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20220527023447.2460025-6-luzmaximilian@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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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
...
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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 version 2 as
published by the free software foundation 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>
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(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>
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The functions power_supply_temp2resist_simple and power_supply_ocv2cap_simple
handle boundary conditions incorrectly.
The change was introduced in a4585ba2050f460f749bbaf2b67bd56c41e30283
("power: supply: core: Use library interpolation").
There are two issues: First, the lines "high = i - 1" and "high = i" in ocv2cap
have the wrong order compared to temp2resist. As a consequence, ocv2cap
sets high=-1 if ocv>table[0].ocv, which causes an out-of-bounds read.
Second, the logic of temp2resist is also not correct.
Consider the case table[] = {{20, 100}, {10, 80}, {0, 60}}.
For temp=5, we expect a resistance of 70% by interpolation.
However, temp2resist sets high=low=2 and returns 60.
Cc: stable@vger.kernel.org
Signed-off-by: Dorian Rudolph <mail@dorianrudolph.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Fixes: a4585ba2050f ("power: supply: core: Use library interpolation")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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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: 0e545f57b708 ("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>
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In ab8500_fg_probe, misses destroy_workqueue in error path, this patch
fixes that.
Fixes: 010ddb813f35 ("power: supply: ab8500_fg: Allocate wq in probe")
Signed-off-by: Gao Chao <gaochao49@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / other smaller driver subsystem updates from Greg KH:
"Here is the large set of char, misc, and other driver subsystem
updates for 5.19-rc1. The merge request for this has been delayed as I
wanted to get lots of linux-next testing due to some late arrivals of
changes for the habannalabs driver.
Highlights of this merge are:
- habanalabs driver updates for new hardware types and fixes and
other updates
- IIO driver tree merge which includes loads of new IIO drivers and
cleanups and additions
- PHY driver tree merge with new drivers and small updates to
existing ones
- interconnect driver tree merge with fixes and updates
- soundwire driver tree merge with some small fixes
- coresight driver tree merge with small fixes and updates
- mhi bus driver tree merge with lots of updates and new device
support
- firmware driver updates
- fpga driver updates
- lkdtm driver updates (with a merge conflict, more on that below)
- extcon driver tree merge with small updates
- lots of other tiny driver updates and fixes and cleanups, full
details in the shortlog.
All of these have been in linux-next for almost 2 weeks with no
reported problems"
* tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (387 commits)
habanalabs: use separate structure info for each error collect data
habanalabs: fix missing handle shift during mmap
habanalabs: remove hdev from hl_ctx_get args
habanalabs: do MMU prefetch as deferred work
habanalabs: order memory manager messages
habanalabs: return -EFAULT on copy_to_user error
habanalabs: use NULL for eventfd
habanalabs: update firmware header
habanalabs: add support for notification via eventfd
habanalabs: add topic to memory manager buffer
habanalabs: handle race in driver fini
habanalabs: add device memory scrub ability through debugfs
habanalabs: use unified memory manager for CB flow
habanalabs: unified memory manager new code for CB flow
habanalabs/gaudi: set arbitration timeout to a high value
habanalabs: add put by handle method to memory manager
habanalabs: hide memory manager page shift
habanalabs: Add separate poll interval value for protocol
habanalabs: use get_task_pid() to take PID
habanalabs: add prefetch flag to the MAP operation
...
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The extcon_get_extcon_dev() function returns error pointers on error,
NULL when it's a -EPROBE_DEFER defer situation, and ERR_PTR(-ENODEV)
when the CONFIG_EXTCON option is disabled. This is very complicated for
the callers to handle and a number of them had bugs that would lead to
an Oops.
In real life, there are two things which prevented crashes. First,
error pointers would only be returned if there was bug in the caller
where they passed a NULL "extcon_name" and none of them do that.
Second, only two out of the eight drivers will build when CONFIG_EXTCON
is disabled.
The normal way to write this would be to return -EPROBE_DEFER directly
when appropriate and return NULL when CONFIG_EXTCON is disabled. Then
the error handling is simple and just looks like:
dev->edev = extcon_get_extcon_dev(acpi_dev_name(adev));
if (IS_ERR(dev->edev))
return PTR_ERR(dev->edev);
For the two drivers which can build with CONFIG_EXTCON disabled, then
extcon_get_extcon_dev() will now return NULL which is not treated as an
error and the probe will continue successfully. Those two drivers are
"typec_fusb302" and "max8997-battery". In the original code, the
typec_fusb302 driver had an 800ms hang in tcpm_get_current_limit() but
now that function is a no-op. For the max8997-battery driver everything
should continue working as is.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more ARM multiplatform updates from Arnd Bergmann:
"The second part of the multiplatform changes now converts the
Intel/Marvell PXA platform along with the rest. The patches went
through several rebases before the merge window as bugs were found, so
they remained separate.
This has to touch a lot of drivers, in particular the touchscreen,
pcmcia, sound and clk bits, to detach the driver files from the
platform and board specific header files"
* tag 'arm-multiplatform-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
ARM: pxa/mmp: remove traces of plat-pxa
ARM: pxa: convert to multiplatform
ARM: pxa/sa1100: move I/O space to PCI_IOBASE
ARM: pxa: remove support for MTD_XIP
ARM: pxa: move mach/*.h to mach-pxa/
ARM: PXA: fix multi-cpu build of xsc3
ARM: pxa: move plat-pxa to drivers/soc/
ARM: mmp: rename pxa_register_device
ARM: mmp: remove tavorevb board support
ARM: pxa: remove unused mach/bitfield.h
ARM: pxa: move clk register definitions to driver
ARM: pxa: move smemc register access from clk to platform
cpufreq: pxa3: move clk register access to clk driver
ARM: pxa: remove get_clk_frequency_khz()
ARM: pxa: pcmcia: move smemc configuration back to arch
ASoC: pxa: i2s: use normal MMIO accessors
ASoC: pxa: ac97: use normal MMIO accessors
ASoC: pxa: use pdev resource for FIFO regs
Input: wm97xx - get rid of irq_enable method in wm97xx_mach_ops
Input: wm97xx - switch to using threaded IRQ
...
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The Tosa device (Sharp SL-6000) has a mishmash driver set-up
for the Toshiba TC6393xb MFD that includes a battery charger
and touchscreen and has some kind of relationship to the SoC
sound driver for the AC97 codec. Other devices define a chip
like this but seem only half-implemented, not really handling
battery charging etc.
This patch switches the Toshiba MFD device to provide GPIO
descriptors to the battery charger and SoC codec. As a result
some descriptors need to be moved out of the Tosa boardfile
and new one added: all SoC GPIO resources to these drivers
now comes from the main boardfile, while the MFD provide
GPIOs for its portions.
As a result we can request one GPIO from our own GPIO chip
and drop two hairy callbacks into the board file.
This platform badly needs to have its drivers split up and
converted to device tree probing to handle this quite complex
relationship in an orderly manner. I just do my best in solving
the GPIO descriptor part of the puzzle. Please don't ask me
to fix everything that is wrong with these driver to todays
standards, I am just trying to fix one aspect. I do try to
use modern devres resource management and handle deferred
probe using new functions where appropriate.
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Dirk Opfer <dirk@opfer-online.de>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Reviewed-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge power-supply fixes, that missed the v5.18 merge window
into power-supply's for-next branch.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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The workqueue is allocated in bind() but all interrupts are
registered in probe().
Some interrupts put work on the workqueue, which can have
bad side effects.
Allocate the workqueue in probe() instead, destroy it in
.remove() and make unbind() simply flush the workqueue.
Fixes: 1c1f13a006ed ("power: supply: ab8500: Move to componentized binding")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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quirk
Some "T3 MRD" mini-PCs / HDMI-sticks without a battery use a different
value then "5.11" for their DMI BIOS version field.
Drop the BIOS version check so that the no-battery "T3 MRD" DMI quirk
applies to these too.
Fixes: 3a06b912a5ce ("power: supply: axp288_fuel_gauge: Make "T3 MRD" no_battery_list DMI entry more generic")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Commit 3a06b912a5ce ("power: supply: axp288_fuel_gauge: Make "T3 MRD"
no_battery_list DMI entry more generic") added a generic no-battery DMI
match for many mini-PCs / HDMI-sticks which use "T3 MRD" as their DMI
board-name.
It turns out that the One Mix 1 mini laptop also uses "T3 MRD" for its
DMI boardname and it also has its chassis-type wrongly set to a value
of "3" (desktop). This was causing the axp288_fuel_gauge driver to
disable battery reporting because this matches the no-battery DMI
list entry for generic "T3 MRD" mini-PCs.
Change the no-battery DMI list into a quirks DMI list and add a
specific match for the One Mix 1 mini laptop before the generic
"T3 MRD" no-battery quirk entry to fix this.
Fixes: 3a06b912a5ce ("power: supply: axp288_fuel_gauge: Make "T3 MRD" no_battery_list DMI entry more generic")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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As we rely on pointers in the battery info to be zero-initialized
such as in the helper function power_supply_supports_vbat2ri()
we certainly need to allocate the struct power_supply_battery_info
with kzalloc() as well. Else this happens:
Unable to handle kernel paging request at virtual address 00280000
(...)
PC is at power_supply_vbat2ri+0x50/0x12c
LR is at ab8500_fg_battery_resistance+0x34/0x108
Fixes: e9e7d165b4b0 ("power: supply: Support VBAT-to-Ri lookup tables")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Otherwise power_supply_get_battery_info always returns -ENODEV
on devices that do not have a static battery, even when a simple
battery is found.
Fixes: c8aee3f41cb8 ("power: supply: Static data for Samsung batteries")
Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Two of the batteries were missing charging restart voltages,
meaning they can drain if the algorithm relies on restarting
charging at this voltage. Fix it up.
Fixes: c8aee3f41cb8 ("power: supply: Static data for Samsung batteries")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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pm_runtime_get_sync
Using pm_runtime_resume_and_get is more appropriate
for simplifing code
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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When the Capacity Inaccurate flag is set, the chip still provides data
about the battery, albeit inaccurate. Instead of discarding capacity
values for CI=1, expose the stale data and use the
POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED property to indicate that the
values should be used with care.
Reviewed-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Sicelo A. Mhlongo <absicsz@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core changes for 5.18-rc1.
Not much here, primarily it was a bunch of cleanups and small updates:
- kobj_type cleanups for default_groups
- documentation updates
- firmware loader minor changes
- component common helper added and take advantage of it in many
drivers (the largest part of this pull request).
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (54 commits)
Documentation: update stable review cycle documentation
drivers/base/dd.c : Remove the initial value of the global variable
Documentation: update stable tree link
Documentation: add link to stable release candidate tree
devres: fix typos in comments
Documentation: add note block surrounding security patch note
samples/kobject: Use sysfs_emit instead of sprintf
base: soc: Make soc_device_match() simpler and easier to read
driver core: dd: fix return value of __setup handler
driver core: Refactor sysfs and drv/bus remove hooks
driver core: Refactor multiple copies of device cleanup
scripts: get_abi.pl: Fix typo in help message
kernfs: fix typos in comments
kernfs: remove unneeded #if 0 guard
ALSA: hda/realtek: Make use of the helper component_compare_dev_name
video: omapfb: dss: Make use of the helper component_compare_dev
power: supply: ab8500: Make use of the helper component_compare_dev
ASoC: codecs: wcd938x: Make use of the helper component_compare/release_of
iommu/mediatek: Make use of the helper component_compare/release_of
drm: of: Make use of the helper component_release_of
...
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We need the driver core fix in here as well for future changes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the common compare helper from component.
Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20220214060819.7334-22-yong.wu@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are currently 2 ways to create a set of sysfs files for a
kobj_type, through the default_attrs field, and the default_groups
field. Move the ab8500 power supply sysfs code to use default_groups
field which has been the preferred way since aa30f47cf666 ("kobject: Add
support for default attribute groups to kobj_type") so that we can soon
get rid of the obsolete default_attrs field.
Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-pm@vger.kernel.org
Link: https://lore.kernel.org/r/20211229140908.2523513-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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 "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung
battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc small improvements and fixes"
* tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (94 commits)
power: ab8500_chargalg: Use CLOCK_MONOTONIC
power: supply: Add a driver for Injoinic power bank ICs
dt-bindings: trivial-devices: Add Injoinic power bank ICs
dt-bindings: vendor-prefixes: Add Injoinic
power: supply: ab8500: Remove unused variable
power: supply: da9150-fg: Remove unnecessary print function dev_err()
power: supply: ab8500: fix a handful of spelling mistakes
power: supply: ab8500_fg: Account for line impedance
dt-bindings: power: supply: ab8500_fg: Add line impedance
power: supply: axp20x_usb_power: fix platform_get_irq.cocci warnings
power: supply: axp20x_ac_power: fix platform_get_irq.cocci warning
power: supply: wm8350-power: Add missing free in free_charger_irq
power: supply: wm8350-power: Handle error for wm8350_register_irq
power: supply: Static data for Samsung batteries
power: supply: ab8500_fg: Use VBAT-to-Ri if possible
power: supply: Support VBAT-to-Ri lookup tables
power: supply: ab8500: Standardize BTI resistance
power: supply: ab8500: Standardize alert mode charging
power: supply: ab8500: Standardize maintenance charging
power: supply: bq24190_charger: Delay applying charge_type changes when OTG 5V Vbus boost is on
...
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The HRTimer in the AB8500 charging code is using CLOCK_REALTIME
to set an alarm some hours forward in time +/- 5 min for a safety
timer.
I have observed that this will sometimes fire sporadically
early when charging a battery with the result that
charging stops.
As CLOCK_REALTIME can be subject to adjustments of time from
sources such as NTP, this cannot be trusted and will likely
for example fire events if the clock is set forward some hours
by say NTP.
Use CLOCK_MONOTONIC as indicated in other instances and the
problem goes away. Also initialize the timer to REL mode
as this is what will be used later.
Fixes: 257107ae6b9b ("ab8500-chargalg: Use hrtimer")
Cc: Lee Jones <lee.jones@linaro.org>
Suggested-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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