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linux/drivers/hwmon/pmbus
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Carl Lee d1878562a4 hwmon: (pmbus/mpq8785) fix VOUT_MODE mismatch during identification 
[ Upstream commit 9e33c1dba2 ]

When MPQ8785 reports VOUT_MODE as VID mode, mpq8785_identify()
configures the driver for direct mode. The subsequent
pmbus_identify_common() check then fails due to a mismatch
between the reported mode and the configured mode, causing
device initialization to fail.

Override the reported VOUT_MODE to direct mode to keep the
driver configuration consistent with the reported mode and
allow successful device initialization.

This does not change how voltages are interpreted, but avoids
a false identification failure caused by mismatched mode
handling.

Fixes: f20b4a9311 ("hwmon: Add driver for MPS MPQ8785 Synchronous Step-Down Converter")
Signed-off-by: Carl Lee <carl.lee@amd.com>
Link: https://lore.kernel.org/r/20260210-dt-bindings-hwmon-pmbus-mpq8785-add-mpq8786-support-v3-1-84636ccfe76f@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-02-26 14:59:15 -08:00
..
acbel-fsg032.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
adm1266.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
adm1275.c hwmon: (pmbus/adm1275) add sq24905c support 2025-09-07 16:33:47 -07:00
adp1050.c hwmon: (pmbus/adp1050) Add regulator support for ltp8800 2025-07-20 16:38:34 -07:00
bel-pfe.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
bpa-rs600.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
crps.c hwmon: (pmbus/crps) Add Intel CRPS185 power supply 2024-12-18 07:14:58 -08:00
delta-ahe50dc-fan.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
dps920ab.c hwmon: pmbus: dps920ab: Add ability to instantiate through i2c 2025-01-13 08:57:06 -08:00
fsp-3y.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ibm-cffps.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ina233.c hwmon: Add driver for TI INA233 Current and Power Monitor 2025-03-18 08:03:37 -07:00
inspur-ipsps.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ir35221.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ir36021.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ir38064.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
irps5401.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
isl68137.c hwmon: (pmbus/isl68137) Fix child node reference leak on early return 2025-10-19 18:56:14 -07:00
Kconfig hwmon: add MP29502 driver 2025-09-08 06:13:16 -07:00
lm25066.c hwmon: (pmbus) Do not set regulators_node for single-channel chips 2025-04-23 07:18:27 -07:00
lt3074.c hwmon: (pmbus/lt3074) add support for lt3074 2025-04-23 07:18:27 -07:00
lt7182s.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ltc2978.c hwmon: (pmbus/ltc2978) add support for lt717x 2025-03-17 08:05:08 -07:00
ltc3815.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
ltc4286.c hwmon: (pmbus/ltc4286) Drop unused i2c device ids 2024-07-10 07:11:34 -07:00
Makefile hwmon: add MP29502 driver 2025-09-08 06:13:16 -07:00
max8688.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
max15301.c hwmon: (pmbus/max15301) Add support for MAX15303 2025-01-08 09:17:49 -08:00
max16064.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
max16601.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
max20730.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
max20751.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
max31785.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
max34440.c hwmon: (pmbus/max34440) Update adpm12160 coeff due to latest FW 2025-10-19 18:56:14 -07:00
mp2856.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp2869.c hwmon: add MP2869,MP29608,MP29612 and MP29816 series driver 2025-09-07 16:35:18 -07:00
mp2888.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp2891.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp2975.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp2993.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp5023.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp5920.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp5990.c hwmon: (pmbus/mp5990) add support for MP5998 2025-09-24 07:38:07 -07:00
mp9941.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
mp29502.c hwmon: add MP29502 driver 2025-09-08 06:13:16 -07:00
mpq7932.c hwmon: (pmbus) Do not set regulators_node for single-channel chips 2025-04-23 07:18:27 -07:00
mpq8785.c hwmon: (pmbus/mpq8785) fix VOUT_MODE mismatch during identification 2026-02-26 14:59:15 -08:00
pim4328.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
pli1209bc.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
pm6764tr.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
pmbus.c hwmon: (pmbus) Initialise page count in pmbus_identify() 2025-03-02 08:27:22 -08:00
pmbus.h hwmon: (pmbus) Do not set regulators_node for single-channel chips 2025-04-23 07:18:27 -07:00
pmbus_core.c hwmon: (pmbus) Introduce page_change_delay 2025-04-23 07:18:27 -07:00
pxe1610.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
q54sj108a2.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
stpddc60.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
tda38640.c hwmon: (pmbus) Do not set regulators_node for single-channel chips 2025-04-23 07:18:27 -07:00
tps546d24.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
tps25990.c hwmon: (pmbus) Do not set regulators_node for single-channel chips 2025-04-23 07:18:27 -07:00
tps40422.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
tps53679.c hwmon: (pmbus/tps53679) Add support for TPS53685 2025-07-20 16:38:34 -07:00
ucd9000.c treewide: rename GPIO set callbacks back to their original names 2025-08-07 10:07:06 +02:00
ucd9200.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
xdp710.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
xdpe152c4.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
xdpe12284.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
zl6100.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00