AuxXxilium/linux_dsm_epyc7002
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81196e2e57
linux_dsm_epyc7002/drivers/power/supply
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Lucas Stach 81196e2e57 power: supply: ucs1002: fix some health status issues 
Some fault events like the over-current condition will get resolved
by the hardware, by e.g. disabling the port. As the status in the
interrupt status register is cleared on read when the fault is resolved,
the sysfs health property will only contain the correct health status
for the first time it is read after such an event, even if the actual
fault condition (like a VBUS short) still persists. To reflect this
properly in the property we cache the last health status and only update
the cache when a actual change happens, i.e. the ERR bit in the status
register flips, as this one properly reflects a continued fault condition.

The ALERT pin however, is not driven by the ERR status, but by the actual
fault status, so the pin will change back to it's default state when the
hardware has automatically resolved the fault by cutting the power. Thus
we never get an IRQ when the actual fault condition has been resolved and
the ERR status bit has been cleared in auto-recovery mode. To get this
information we need to poll the interrupt status register after some time
to see if the fault is gone and update our cache in that case.

To avoid any additional locking, we handle both paths (IRQ firing and
delayed polling) through the same single-threaded delayed work.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-10-01 00:18:05 +02:00
..
88pm860x_battery.c power: supply: check if calc_soc succeeded in pm860x_init_battery 2020-07-28 02:13:21 +02:00
88pm860x_charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ab8500_bmdata.c power: supply: ab8500: fix leaked of_node refs in ab8500_bm_of_probe 2019-04-17 22:14:24 +02:00
ab8500_btemp.c power: supply: ab8500: Handle invalid IRQ from platform_get_irq_byname() 2019-10-20 15:18:44 +02:00
ab8500_charger.c power: supply: ab8500_charger: Fix typos in commit messages 2020-03-06 21:37:20 +01:00
ab8500_fg.c power: supply: ab8500-fg: fix spelling typo 2020-09-30 01:12:22 +02:00
abx500_chargalg.c power: supply: abx500_chargalg: Remove unneeded semicolon 2019-12-19 18:05:28 +01:00
act8945a_charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
adp5061.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177 2019-05-30 11:29:19 -07:00
apm_power.c
axp20x_ac_power.c power: supply: axp20x_ac_power: Add wakeup control 2020-01-14 01:00:41 +01:00
axp20x_battery.c power: supply: axp20x_battery: add support for AXP813 2018-03-09 16:52:33 +01:00
axp20x_usb_power.c power: supply: axp20x_usb_power: fix spelling mistake 2020-06-19 16:57:45 +02:00
axp288_charger.c power: supply: axp288_charger: Omit superfluous error message 2020-04-29 01:45:00 +02:00
axp288_fuel_gauge.c power: supply: axp288_fuel_gauge: Add the Meegopad T02 to the blacklist. 2020-04-14 00:59:22 +02:00
bd70528-charger.c power: supply: bd70528: use linear ranges 2020-05-10 02:35:46 +02:00
bd99954-charger.c power: supply: Make bd9995x_chip_reset static 2020-05-28 19:02:59 +02:00
bd99954-charger.h power: supply: Support ROHM bd99954 charger 2020-05-10 02:35:49 +02:00
bq27xxx_battery_hdq.c power: bq27xxx: Update to SPDX licensing 2020-08-28 00:04:44 +02:00
bq27xxx_battery_i2c.c power: bq27xxx: Update to SPDX licensing 2020-08-28 00:04:44 +02:00
bq27xxx_battery.c power: bq27xxx: Update to SPDX licensing 2020-08-28 00:04:44 +02:00
bq2415x_charger.c power: supply: bq2xxxx: Replace HTTP links with HTTPS ones 2020-07-28 02:07:35 +02:00
bq2515x_charger.c power: supply: bq2515x: Constify static variables 2020-08-25 17:55:29 +02:00
bq24190_charger.c power: supply: bq24190_charger: Fix runtime PM imbalance on error 2020-06-19 19:01:16 +02:00
bq24257_charger.c power: supply: bq2xxxx: Replace HTTP links with HTTPS ones 2020-07-28 02:07:35 +02:00
bq24735-charger.c power: supply: bq24735: remove incorrect le16_to_cpu calls 2017-06-15 16:47:35 +02:00
bq25890_charger.c power: supply: bq25890: support IBAT compensation 2020-09-30 01:12:22 +02:00
charger-manager.c power: supply: charger-manager: Count cm-chargers property directly 2020-08-28 19:27:45 +02:00
collie_battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpcap-battery.c power: supply: cpcap: Simplify with dev_err_probe() 2020-08-26 17:25:42 +02:00
cpcap-charger.c power: supply: cpcap-charger: cpcap_charger_voltage_to_regval() can be static 2019-10-21 10:43:41 +02:00
cros_usbpd-charger.c power: supply: cros-ec-usbpd-charger: Fix host events 2020-02-10 11:01:33 -08:00
cw2015_battery.c power: supply: cw2015: Attach OF ID table to the driver 2020-06-06 01:13:56 +02:00
da9030_battery.c power: Convert to DEFINE_SHOW_ATTRIBUTE 2020-07-27 00:05:56 +02:00
da9052-battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
da9150-charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
da9150-fg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ds2760_battery.c power: supply: ds2760_battery: add devicetree probing 2018-07-11 18:09:09 +02:00
ds2780_battery.c power: supply: ds278x: fix spelling typo 2020-09-30 01:12:04 +02:00
ds2781_battery.c power: supply: ds278x: fix spelling typo 2020-09-30 01:12:04 +02:00
ds2782_battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
generic-adc-battery.c power: supply: generic-adc-battery: Prepare for const properties 2020-05-01 15:43:04 +02:00
goldfish_battery.c drivers: power: supply: goldfish_battery: Fix bogus SPDX identifier 2019-04-15 11:16:31 +02:00
gpio-charger.c power: supply: gpio-charger: add charge-current-limit feature 2020-08-27 21:13:23 +02:00
ingenic-battery.c power: supply: ingenic: Simplify with dev_err_probe() 2020-08-26 17:25:42 +02:00
ipaq_micro_battery.c power: supply: ipaq_micro_battery: remove unneeded semicolon 2020-01-17 02:13:00 +01:00
isp1704_charger.c change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
Kconfig power: supply: Add support for RN5T618/RC5T619 charger and fuel gauge 2020-08-28 17:34:38 +02:00
lego_ev3_battery.c power: supply: lego_ev3: Simplify with dev_err_probe() 2020-08-26 17:25:45 +02:00
lp8727_charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lp8788-charger.c power: supply: lp8788: Fix an error handling path in 'lp8788_charger_probe()' 2020-05-10 01:20:41 +02:00
lt3651-charger.c power: supply: ltc3651-charger: Fix device name (rename files) 2019-04-10 00:39:01 +02:00
ltc2941-battery-gauge.c power: supply: ltc2941-battery-gauge: fix use-after-free 2020-01-14 01:23:20 +01:00
Makefile power: supply: Add support for RN5T618/RC5T619 charger and fuel gauge 2020-08-28 17:34:38 +02:00
max1721x_battery.c power: supply: max1721x: fix spelling mistake "RSenese" -> "RSense" 2018-06-28 14:24:13 +02:00
max8903_charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
max8925_power.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
max8997_charger.c power: supply: maxim: Add SPDX license identifiers 2018-08-30 00:18:10 +02:00
max8998_charger.c power: supply: max8998_charger: Correct ONLINE and add STATUS props 2020-06-19 19:58:23 +02:00
max14577_charger.c power: charger: max14577: Add proper dt-compatible strings 2020-05-28 09:11:55 +02:00
max14656_charger_detector.c power: supply: max14656: remove set but not used 'ret' 2020-04-13 23:01:54 +02:00
max17040_battery.c power: supply: max17040: Add POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN 2020-07-28 02:15:58 +02:00
max17042_battery.c power: supply: max17042_battery: Add support for the TTE_NOW prop 2020-04-29 20:12:46 +02:00
max77650-charger.c power: supply: max77650: add of_match table 2019-12-19 01:13:26 +01:00
max77693_charger.c power: supply: maxim: Add SPDX license identifiers 2018-08-30 00:18:10 +02:00
mp2629_charger.c power: supply: Add support for mps mp2629 battery charger 2020-05-26 10:41:52 +01:00
olpc_battery.c power: supply: olpc_battery: fix the power supply name 2020-05-10 18:56:30 +02:00
pcf50633-charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pda_power.c power: supply: pda_power: add missed usb_unregister_notifier 2019-12-19 01:07:53 +01:00
pm2301_charger.c power: supply: pm2301_charger: fix spelling mistake "chargind" -> "charging" 2020-08-28 00:02:29 +02:00
pm2301_charger.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
pmu_battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
power_supply_core.c power: supply: Support battery temperature device-tree properties 2020-08-25 19:24:37 +02:00
power_supply_hwmon.c power: supply: core: fix memory leak in HWMON error path 2020-05-03 02:17:13 +02:00
power_supply_leds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 218 2019-05-30 11:29:54 -07:00
power_supply_sysfs.c power: supply: add wireless type 2020-08-26 16:53:26 +02:00
power_supply.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 218 2019-05-30 11:29:54 -07:00
qcom_smbb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
rn5t618_power.c power: supply: Add support for RN5T618/RC5T619 charger and fuel gauge 2020-08-28 17:34:38 +02:00
rt5033_battery.c power: supply: rt5033_battery: Fix error code in rt5033_battery_probe() 2020-07-28 02:18:24 +02:00
rt9455_charger.c power supply and reset changes for the v5.3 series 2019-07-15 21:06:15 -07:00
rx51_battery.c change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
s3c_adc_battery.c power: supply: s3c-adc-battery: fix driver data initialization 2018-04-26 00:12:11 +02:00
sbs-battery.c power: supply: sbs-battery: don't assume i2c errors as battery disconnect 2020-08-28 17:25:54 +02:00
sbs-charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sbs-manager.c power supply and reset changes for the v5.3 series 2019-07-15 21:06:15 -07:00
sc27xx_fuel_gauge.c power: supply: sc27xx: prevent adc * 1000 from overflow 2020-07-28 00:49:26 +02:00
sc2731_charger.c power: supply: sc2731_charger: Free battery information 2018-12-05 23:54:01 +01:00
smb347-charger.c power: supply: smb347-charger: Use generic property framework 2020-08-28 15:34:36 +02:00
test_power.c power: supply: test_power: Fix battery_current initial value 2020-07-29 19:43:49 +02:00
tosa_battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tps65090-charger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
tps65217_charger.c power: supply: tps65217: Switch to SPDX identifier. 2018-06-28 14:19:20 +02:00
twl4030_charger.c power: twl4030: Use scnprintf() for avoiding potential buffer overflow 2020-03-11 23:20:32 +01:00
twl4030_madc_battery.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ucs1002_power.c power: supply: ucs1002: fix some health status issues 2020-10-01 00:18:05 +02:00
wilco-charger.c power: supply: wilco_ec: Add long life charging mode 2020-07-31 14:33:56 +02:00
wm97xx_battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wm831x_backup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wm831x_power.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wm8350_power.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
z2_battery.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00