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87fe29b61f
linux/drivers/regulator
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Michał Mirosław 87fe29b61f
regulator: push allocations in create_regulator() outside of lock 
Move all allocations outside of the regulator_lock()ed section.

======================================================
WARNING: possible circular locking dependency detected
5.7.13+ #535 Not tainted
------------------------------------------------------
f2fs_discard-179:7/702 is trying to acquire lock:
c0e5d920 (regulator_list_mutex){+.+.}-{3:3}, at: regulator_lock_dependent+0x54/0x2c0

but task is already holding lock:
cb95b080 (&dcc->cmd_lock){+.+.}-{3:3}, at: __issue_discard_cmd+0xec/0x5f8

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

[...]

-> #3 (fs_reclaim){+.+.}-{0:0}:
       fs_reclaim_acquire.part.11+0x40/0x50
       fs_reclaim_acquire+0x24/0x28
       __kmalloc_track_caller+0x54/0x218
       kstrdup+0x40/0x5c
       create_regulator+0xf4/0x368
       regulator_resolve_supply+0x1a0/0x200
       regulator_register+0x9c8/0x163c

[...]

other info that might help us debug this:

Chain exists of:
  regulator_list_mutex --> &sit_i->sentry_lock --> &dcc->cmd_lock

[...]

Fixes: f8702f9e4a ("regulator: core: Use ww_mutex for regulators locking")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/6eebc99b2474f4ffaa0405b15178ece0e7e4f608.1597195321.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-08-17 13:13:51 +01:00
..
88pg86x.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
88pm800-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
88pm8607.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aat2870-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
ab3100.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
ab8500-ext.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197 2019-05-30 11:29:22 -07:00
ab8500.c regulator: ab8500: Remove unused embedded struct expand_register 2020-06-25 20:11:13 +01:00
act8865-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
act8945a-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
ad5398.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
anatop-regulator.c regulator: anatop: Constify anatop_core_rops 2020-06-18 13:47:31 +01:00
arizona-ldo1.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
arizona-micsupp.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
as3711-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
as3722-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
axp20x-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
bcm590xx-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
bd718x7-regulator.c regulator: bd718x7: remove voltage change restriction from BD71847 LDOs 2020-05-14 18:26:11 +01:00
bd9571mwv-regulator.c
bd70528-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
bd71828-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
core.c regulator: push allocations in create_regulator() outside of lock 2020-08-17 13:13:51 +01:00
cpcap-regulator.c regulator: cpcap-regulator: Demote kerneldoc header to standard comment 2020-06-25 20:11:16 +01:00
cros-ec-regulator.c regulator: cros-ec-regulator: Add NULL test for devm_kmemdup call 2020-08-04 13:24:37 +01:00
da903x.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
da9052-regulator.c regulator: da9xxx: Switch to SPDX identifier 2019-05-03 15:07:39 +09:00
da9055-regulator.c regulator: da9xxx: Switch to SPDX identifier 2019-05-03 15:07:39 +09:00
da9062-regulator.c regulator: da9062: Replace zero-length array with flexible-array member 2020-02-12 23:54:54 +00:00
da9063-regulator.c regulator: da9063: fix LDO9 suspend and warning. 2020-06-12 14:57:17 +01:00
da9210-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
da9210-regulator.h regulator: da9xxx: Switch to SPDX identifier 2019-05-03 15:07:39 +09:00
da9211-regulator.c regulator: da9211: Implement of_map_mode 2020-07-02 16:20:58 +01:00
da9211-regulator.h regulator: da9xxx: Switch to SPDX identifier 2019-05-03 15:07:39 +09:00
db8500-prcmu.c regulator: db8500-prcmu: Use true,false for bool variable 2020-05-06 15:16:59 +01:00
dbx500-prcmu.c regulator: dbx500-prcmu: Remove unused function dbx500_regulator_testcase() 2020-06-25 20:11:12 +01:00
dbx500-prcmu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197 2019-05-30 11:29:22 -07:00
devres.c regulator: devres: Standardise on function documentation headers 2020-07-08 17:37:54 +01:00
dummy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dummy.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fan53555.c regulator: fan53555: add chip id for Silergy SYR83X 2019-11-06 16:19:47 +00:00
fan53880.c regulator: fan53880: Add support for COMPILE_TEST 2020-07-07 13:50:46 +01:00
fixed-helper.c
fixed.c regulator: fix spelling mistake "Cant" -> "Can't" 2020-08-10 19:18:52 +01:00
gpio-regulator.c regulator: gpio: Honor regulator-boot-on property 2020-07-20 16:31:54 +01:00
helpers.c regulator: Fix pickable ranges mapping 2020-06-12 14:57:17 +01:00
hi655x-regulator.c regulator: hi6xxx: Switch to SPDX identifier 2019-05-02 11:16:40 +09:00
hi6421-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
hi6421v530-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
internal.h regulator: core: Don't try to remove device links if add failed 2019-11-15 12:04:20 +00:00
isl6271a-regulator.c
isl9305.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
Kconfig regulator: qcom: Add labibb driver 2020-07-15 15:47:16 +01:00
lm363x-regulator.c regulator: lm363x: Fix n_voltages setting for lm36274 2019-07-22 13:18:13 +01:00
lochnagar-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
lp872x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lp873x-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
lp3971.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
lp3972.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lp8755.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lp8788-buck.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
lp8788-ldo.c regulator: lp8788-ldo: make array en_mask static const, makes object smaller 2019-09-09 10:53:48 +01:00
lp87565-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
ltc3589.c regulator: ltc3589: Switch to SPDX identifier 2019-04-26 10:38:20 +01:00
ltc3676.c regulator: ltc3676: Constify ltc3676_regulators 2020-06-18 13:47:33 +01:00
Makefile regulator: qcom: Add labibb driver 2020-07-15 15:47:16 +01:00
max1586.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
max8649.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
max8660.c regulator: max8660: remove redundant assignment of variable ret 2019-08-15 15:09:21 +01:00
max8907-regulator.c regulator: max8907: Constify static structs 2020-06-18 13:47:34 +01:00
max8925-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
max8952.c Linux 5.2-rc4 2019-06-18 19:12:47 +01:00
max8973-regulator.c
max8997-regulator.c regulator: max8997: Constify struct regulator_ops 2020-06-18 13:47:35 +01:00
max8998.c regulator: max8998: Staticify internal function max8998_get_current_limit() 2020-06-26 15:34:18 +01:00
max14577-regulator.c regulator: max14577-regulator: Demote kerneldoc header to standard comment 2020-06-25 20:11:17 +01:00
max77620-regulator.c regulator: max77620: remove redundant assignment to variable ret 2019-07-03 13:02:38 +01:00
max77650-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
max77686-regulator.c regulator: max77686: switch to using fwnode_gpiod_get_index 2019-10-07 14:02:20 +01:00
max77693-regulator.c
max77802-regulator.c regulator: max77802: Drop unused includes 2019-06-10 15:40:58 +01:00
max77826-regulator.c regulator: max77826: Add max77826 regulator driver 2020-04-14 19:01:19 +01:00
mc13xxx-regulator-core.c
mc13xxx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mc13783-regulator.c
mc13892-regulator.c
mcp16502.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mp886x.c regulator: mp886x: use .probe_new 2020-07-02 16:45:46 +01:00
mp5416.c regulator: mp5416: Fix output discharge enable bit for LDOs 2020-02-17 19:13:26 +00:00
mp8859.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mpq7920.c regulator: mpq7920: Convert to use .probe_new 2020-01-14 15:25:00 +00:00
mpq7920.h regulator: mpq7920: Fix incorrect defines 2020-01-17 15:34:31 +00:00
mt6311-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
mt6311-regulator.h regulator: mt63xx: Switch to SPDX identifier 2019-04-26 10:38:23 +01:00
mt6323-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mt6358-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mt6380-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
mt6397-regulator.c regulator: mt6397: Implement of_map_mode 2020-07-02 15:25:45 +01:00
of_regulator.c regulator: of_regulator: Add missing colon for rdev kerneldoc argument 2020-07-08 17:37:53 +01:00
palmas-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
pbias-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
pca9450-regulator.c regulator: pca9450: Convert to use module_i2c_driver 2020-07-27 14:34:22 +01:00
pcap-regulator.c regulator: pcap-regulator: remove unused variable 'SW3_table' 2019-10-01 12:46:37 +01:00
pcf50633-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pfuze100-regulator.c regulator: pfuze100: add condition check for 'ramp_delay = 0' 2020-06-23 13:15:13 +01:00
pv88060-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
pv88060-regulator.h regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pv88080-regulator.c regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pv88080-regulator.h regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pv88090-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
pv88090-regulator.h regulator: pv880x0: Switch to SPDX identifier 2019-05-03 15:05:52 +09:00
pwm-regulator.c regulator: pwm-regulator: Demote kerneldoc header to standard comment 2020-06-26 15:34:19 +01:00
qcom_rpm-regulator.c regulator: qcom_rpm: Constify struct regulator_ops 2020-07-01 18:33:14 +01:00
qcom_smd-regulator.c regulator: qcom_smd: Add MP5496 regulators 2020-07-01 21:35:54 +01:00
qcom_spmi-regulator.c regulator: qcom_spmi: Constify struct regulator_ops 2020-07-01 18:33:15 +01:00
qcom_usb_vbus-regulator.c regulator: fix null pointer check on regmap 2020-07-02 16:45:45 +01:00
qcom-labibb-regulator.c regulator: qcom: Add labibb driver 2020-07-15 15:47:16 +01:00
qcom-rpmh-regulator.c regulator: qcom-rpmh-regulator: Repair dodgy kerneldoc header formatting 2020-06-26 15:34:18 +01:00
rc5t583-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
rk808-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
rn5t618-regulator.c regulator: Fixes for v5.5 2019-12-17 13:08:41 -08:00
rohm-regulator.c regulator: bd718x7: Split driver to common and bd718x7 specific parts 2020-01-24 07:22:53 +00:00
rt5033-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450 2019-06-05 17:37:18 +02:00
s2mpa01.c regulator: samsung: Rename Samsung to lowercase 2020-01-06 20:47:42 +00:00
s2mps11.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
s5m8767.c Merge branch 'regulator-5.6' into regulator-next 2020-01-23 12:37:06 +00:00
sc2731-regulator.c
sky81452-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
slg51000-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
slg51000-regulator.h regulator: slg51000: add slg51000 regulator driver 2019-05-13 11:07:43 +01:00
stm32-booster.c regulator: stm32-booster: Remove .min_uV and .list_voltage for fixed regulator 2019-07-23 12:28:01 +01:00
stm32-pwr.c regulator: stm32-pwr: Remove unneeded .min_uV and .list_volage 2019-05-03 15:07:15 +09:00
stm32-vrefbuf.c regulator: stm32-vrefbuf: fix a possible overshoot when re-enabling 2020-03-04 13:57:28 +00:00
stpmic1_regulator.c regulator: stpmic1_regulator: Properly document 'struct stpmic1_regulator_cfg' 2020-06-26 15:34:20 +01:00
stw481x-vmmc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
sy8106a-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
sy8824x.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
sy8827n.c regulator: add support for SY8827N regulator 2020-07-02 15:52:00 +01:00
ti-abb-regulator.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
tps6105x-regulator.c regulator: tps6105x: add optional devicetree support 2019-11-20 17:10:47 +00:00
tps6507x-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps6524x-regulator.c regulator: tps6524x: Remove *rdev[N_REGULATORS] from struct tps6524x 2019-04-15 09:44:41 +01:00
tps6586x-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tps51632-regulator.c
tps62360-regulator.c
tps65023-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps65086-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps65090-regulator.c regulator: tps65090: switch to using devm_fwnode_gpiod_get 2019-10-07 14:02:02 +01:00
tps65132-regulator.c regulator: Convert i2c drivers to use .probe_new 2020-01-13 15:03:06 +00:00
tps65217-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps65218-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps65910-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tps65912-regulator.c regulator: Replace HTTP links with HTTPS ones 2020-07-22 14:43:48 +01:00
tps80031-regulator.c regulator: tps80031: remove redundant assignment to variables ret and val 2020-04-14 16:57:44 +01:00
twl6030-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
twl-regulator.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
uniphier-regulator.c regulator: uniphier: use devm_platform_ioremap_resource() to simplify code 2019-10-09 18:17:15 +01:00
userspace-consumer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
vctrl-regulator.c regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage 2020-01-17 15:32:27 +00:00
vexpress-regulator.c regulator: vexpress: Use PTR_ERR_OR_ZERO() to simplify code 2019-11-18 12:58:24 +00:00
virtual.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
vqmmc-ipq4019-regulator.c regulator: vqmmc-ipq4019: Fix platform_no_drv_owner.cocci warnings 2020-01-17 15:34:21 +00:00
wm831x-dcdc.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
wm831x-isink.c regulator: wm831x: Switch to SPDX identifier 2019-04-17 17:40:29 +01:00
wm831x-ldo.c regulator: use linear_ranges helper 2020-05-08 18:18:13 +01:00
wm8350-regulator.c regulator: wm8350-regulator: Repair odd formatting in documentation 2020-06-25 20:11:14 +01:00
wm8400-regulator.c regulator: wm8400-regulator: Repair dodgy kerneldoc header formatting 2020-06-26 15:34:24 +01:00
wm8994-regulator.c regulator: wm8994: Switch to SPDX identifier 2019-04-17 17:39:58 +01:00