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linux/drivers/acpi
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Srinivas Pandruvada 2388c7674f ACPI: DPTF: Fix reading of attributes 
commit 41a8457f3f upstream.

The current assumption that methods to read PCH FIVR attributes will
return integer, is not correct. There is no good way to return integer
as negative numbers are also valid.

These read methods return a package of integers. The first integer returns
status, which is 0 on success and any other value for failure. When the
returned status is zero, then the second integer returns the actual value.

This change fixes this issue by replacing acpi_evaluate_integer() with
acpi_evaluate_object() and use acpi_extract_package() to extract results.

Fixes: 2ce6324ead ("ACPI: DPTF: Add PCH FIVR participant driver")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: 5.10+ <stable@vger.kernel.org> # 5.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2021-08-04 12:46:39 +02:00
..
acpica ACPICA: Fix memory leak caused by _CID repair function 2021-07-14 16:55:59 +02:00
apei ACPI: APEI: fix synchronous external aborts in user-mode 2021-07-14 16:56:12 +02:00
arm64 ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure 2021-05-11 14:47:34 +02:00
dptf ACPI: DPTF: Fix reading of attributes 2021-08-04 12:46:39 +02:00
nfit ACPI: NFIT: Fix input validation of bus-family 2020-12-30 11:54:05 +01:00
numa ACPI updates for 5.10-rc1 2020-10-14 11:42:04 -07:00
pmic ACPI / PMIC: Move TPS68470 OpRegion driver to drivers/acpi/pmic/ 2020-09-15 19:40:59 +02:00
x86 ACPI: Convert to new X86 CPU match macros 2020-03-24 21:30:50 +01:00
ac.c Merge branches 'acpi-mm', 'acpi-tables', 'acpi-apei' and 'acpi-misc' 2020-08-03 13:14:42 +02:00
acpi_adxl.c ACPI/ADXL: Add address translation interface using an ACPI DSM 2018-10-16 10:03:00 +02:00
acpi_amba.c ACPI: AMBA: Fix resource name in /proc/iomem 2021-07-20 16:05:49 +02:00
acpi_apd.c serial: 8250_dw: Add device HID for new AMD UART controller 2021-06-03 09:00:33 +02:00
acpi_cmos_rtc.c ACPI: cmos_rtc: Remove leftover ACPI_MODULE_NAME() 2020-09-25 18:25:51 +02:00
acpi_configfs.c ACPI: configfs: add missing check after configfs_register_default_group() 2021-03-04 11:38:22 +01:00
acpi_dbg.c ACPI: debug: don't allow debugging when ACPI is disabled 2020-10-16 17:58:52 +02:00
acpi_extlog.c ACPI / extlog: Check for RDMSR failure 2020-10-02 19:01:55 +02:00
acpi_ipmi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
acpi_lpat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
acpi_lpit.c ACPI: LPIT: Put the low power idle table after using it 2020-05-09 11:29:16 +02:00
acpi_lpss.c drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
acpi_memhotplug.c mm/memory_hotplug: prepare passing flags to add_memory() and friends 2020-10-16 11:11:18 -07:00
acpi_pad.c ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros 2021-07-14 16:56:12 +02:00
acpi_platform.c ACPI: platform: Remove ACPI_MODULE_NAME() 2020-09-25 18:25:51 +02:00
acpi_pnp.c ACPI: PNP: compare the string length in the matching_id() 2020-12-30 11:54:06 +01:00
acpi_processor.c ACPI: processor: remove comment regarding string _UID support 2020-10-16 18:11:27 +02:00
acpi_tad.c ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros 2021-07-14 16:56:12 +02:00
acpi_video.c ACPI: video: Add quirk for the Dell Vostro 3350 2021-07-20 16:05:49 +02:00
acpi_watchdog.c ACPI: watchdog: Put the watchdog action table after parsing 2020-05-09 11:29:17 +02:00
battery.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
bgrt.c ACPI: bgrt: Fix CFI violation 2021-07-14 16:56:12 +02:00
blacklist.c ACPI: blacklist: fix clang warning for unused DMI table 2019-07-11 22:45:00 +02:00
bus.c ACPI: bus: Call kobject_put() in acpi_init() error path 2021-07-14 16:55:59 +02:00
button.c ACPI: button: Add DMI quirk for Medion Akoya E2228T 2020-11-09 19:29:41 +01:00
container.c ACPI: container: Remove leftover ACPICA debug functionality 2020-09-25 18:25:51 +02:00
cppc_acpi.c ACPI: CPPC: Replace cppc_attr with kobj_attribute 2021-05-14 09:50:16 +02:00
custom_method.c ACPI: custom_method: fix a possible memory leak 2021-05-11 14:47:12 +02:00
debugfs.c ACPI: debugfs: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
device_pm.c ACPI: PM / fan: Put fan device IDs into separate header file 2021-07-14 16:56:11 +02:00
device_sysfs.c ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros 2021-07-14 16:56:12 +02:00
dock.c ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros 2021-07-14 16:56:12 +02:00
ec.c ACPI: EC: trust DSDT GPE for certain HP laptop 2021-07-14 16:56:01 +02:00
ec_sys.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482 2019-06-19 17:09:52 +02:00
event.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
evged.c ACPI: GED: fix -Wformat 2020-11-09 19:25:20 +01:00
fan.c ACPI: PM / fan: Put fan device IDs into separate header file 2021-07-14 16:56:11 +02:00
fan.h ACPI: PM / fan: Put fan device IDs into separate header file 2021-07-14 16:56:11 +02:00
glue.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
hed.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
internal.h ACPI: scan: Use unique number for instance_no 2021-03-30 14:32:06 +02:00
ioapic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
irq.c Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-07-08 11:01:13 -07:00
Kconfig ACPI: Kconfig: Fix table override from built-in initrd 2021-07-28 14:35:39 +02:00
Makefile ACPI: tables: Add custom DSDT file as makefile prerequisite 2021-07-14 16:56:01 +02:00
nvs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
osi.c ACPI: OSI: Shoot duplicate word 2019-11-13 11:12:08 +01:00
osl.c ACPI: OSL: Make ACPICA use logical addresses of GPE blocks 2020-09-11 16:45:00 +02:00
pci_irq.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
pci_link.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
pci_mcfg.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
pci_root.c Merge branches 'acpi-extlog', 'acpi-memhotplug', 'acpi-button', 'acpi-tools' and 'acpi-pci' 2020-10-13 14:45:36 +02:00
pci_slot.c ACPI: PCI: Remove unused ACPICA debug code 2020-09-25 18:25:51 +02:00
power.c ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros 2021-07-14 16:56:12 +02:00
pptt.c ACPI: PPTT: Consistently use unsigned int as parameter type 2020-01-07 11:46:36 +01:00
proc.c ACPI: proc: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
processor_core.c ACPI: processor: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
processor_driver.c cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
processor_idle.c ACPI: processor idle: Fix up C-state latency if not ordered 2021-07-14 16:55:57 +02:00
processor_pdc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
processor_perflib.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
processor_thermal.c ACPI: processor: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
processor_throttling.c x86: ACPI: fix CPU hotplug deadlock 2020-04-04 16:28:24 +02:00
property.c ACPI: property: Fix fwnode string properties matching 2021-03-04 11:38:22 +01:00
reboot.c ACPI: reboot: Avoid racing after writing to ACPI RESET_REG 2020-10-16 18:04:52 +02:00
resource.c Revert "ACPI: resources: Add checks for ACPI IRQ override" 2021-08-04 12:46:39 +02:00
sbs.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
sbshc.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
sbshc.h ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
scan.c ACPI: scan: Fix a memory leak in an error handling path 2021-05-19 10:13:13 +02:00
sleep.c Revert "ACPI: sleep: Put the FACS table after using it" 2021-06-16 12:01:39 +02:00
sleep.h ACPI: PM: Add acpi_[un]register_wakeup_handler() 2020-04-04 19:45:18 +02:00
spcr.c ACPI: Use fallthrough pseudo-keyword 2020-07-09 14:09:28 +02:00
sysfs.c Merge back sysfs-related ACPI material for v5.9. 2020-06-29 13:49:49 +02:00
tables.c ACPI: tables: x86: Reserve memory occupied by ACPI tables 2021-04-07 15:00:08 +02:00
thermal.c ACPI: thermal: Do not call acpi_thermal_check() directly 2021-02-03 23:28:37 +01:00
tiny-power-button.c ACPI: tiny-power-button: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
utils.c ACPI: utils: remove unreachable breaks 2020-10-22 18:58:26 +02:00
video_detect.c ACPI: video: use native backlight for GA401/GA502/GA503 2021-07-14 16:55:57 +02:00
wakeup.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00