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Bjorn Helgaas 508d392ae0 PCI/ACPI: Clarify message about _OSC failure 
This message:

  acpi PNP0A08:02: _OSC failed (AE_NOT_FOUND); disabling ASPM

is alarming and slightly misleading.  Per the PCI Firmware Spec, r3.2, sec
4.5.1, _OSC is required for PCIe hierarchies.  If _OSC is absent or fails,
the OS must not attempt to use any of the features defined for _OSC.  That
includes native hotplug, native PME, AER, and other things as well as ASPM.

Rephrase the message to:

  acpi PNP0A08:02: _OSC: platform retains control of PCIe features (AE_NOT_FOUND)

Previous discussion at https://lore.kernel.org/r/20200602223618.GA845676@bjorn-Precision-5520/

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sinan Kaya <okaya@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Yicong Yang <yangyicong@hisilicon.com>
2021-01-27 09:38:36 -06:00
..
acpica
ACPICA: Interpreter: fix memory leak by using existing buffer
2020-12-01 18:13:30 +01:00
apei
Merge ACPI APEI material for v5.11.
2020-11-23 12:50:17 +01:00
arm64
Merge remote-tracking branch 'arm64/for-next/fixes' into for-next/core
2020-12-09 18:04:55 +00:00
dptf
ACPI: DPTF: Support Alder Lake
2020-11-10 18:52:51 +01:00
nfit
ACPI: NFIT: Fix input validation of bus-family
2020-11-23 17:43:53 -08:00
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: PM: s2idle: Drop unused local variables and related code
2021-01-07 17:41:28 +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_amba.c
Merge 5.2-rc6 into char-misc-next
2019-06-23 09:23:33 +02:00
acpi_apd.c
ACPI: APD: Clean up header file include statements
2020-09-25 12:48:11 +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 config_item_put() to fix refcount leak
2020-09-25 18:08:39 +02:00
acpi_dbg.c
ACPI: debug: Remove the not used function
2020-11-17 18:12:34 +01:00
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
This tree adds the sched_set_fifo*() encapsulation APIs to remove
2020-08-06 11:55:43 -07:00
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()
2020-12-15 19:30:49 +01:00
acpi_processor.c
ACPI: processor: remove comment regarding string _UID support
2020-10-16 18:11:27 +02:00
acpi_tad.c
PM: sleep: core: Rename DPM_FLAG_LEAVE_SUSPENDED
2020-04-24 21:34:22 +02:00
acpi_video.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
acpi_watchdog.c
ACPI: watchdog: Replace open coded variant of resource_union()
2020-11-17 18:06:29 +01:00
battery.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
bgrt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
blacklist.c
ACPI: blacklist: fix clang warning for unused DMI table
2019-07-11 22:45:00 +02:00
bus.c
USB/PHY/Thunderbolt driver patches for 5.10-rc1
2020-10-15 09:51:18 -07:00
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
Merge branch 'pm-cpufreq'
2020-12-22 17:59:11 +01:00
custom_method.c
ACPI: custom_method: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
debugfs.c
ACPI: debugfs: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
device_pm.c
PM: ACPI: Refresh wakeup device power configuration every time
2020-12-07 13:45:47 +01:00
device_sysfs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
dock.c
ACPI: dock: fix enum-conversion warning
2020-10-27 19:30:27 +01:00
ec_sys.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
ec.c
ACPI: EC: Clean up status flags checks in advance_transaction()
2020-11-23 20:01:01 +01:00
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: fan: Initialize performance state sysfs attribute
2020-11-16 15:18:38 +01:00
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
Merge branches 'acpica' and 'acpi-scan'
2020-12-15 15:29:30 +01:00
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: Update Kconfig help text for items that are no longer modular
2021-01-07 17:48:37 +01:00
Makefile
ACPI: PM: s2idle: Move x86-specific code to the x86 directory
2020-12-17 20:30:02 +01:00
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
PCI/ACPI: Clarify message about _OSC failure
2021-01-27 09:38:36 -06:00
pci_slot.c
ACPI: PCI: Remove unused ACPICA debug code
2020-09-25 18:25:51 +02:00
power.c
Merge branches 'acpica' and 'acpi-scan'
2020-12-15 15:29:30 +01:00
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: Remove the duplicated ACPI_PROCESSOR_CLASS macro
2020-11-17 18:12:34 +01:00
processor_pdc.c
…
processor_perflib.c
More power management updates for 5.11-rc1
2020-12-22 14:12:10 -08:00
processor_thermal.c
ACPI: processor: Remove the duplicated ACPI_PROCESSOR_CLASS macro
2020-11-17 18:12:34 +01:00
processor_throttling.c
ACPI: processor: Remove the duplicated ACPI_PROCESSOR_CLASS macro
2020-11-17 18:12:34 +01:00
property.c
driver core: Add fwnode_init()
2020-12-09 19:10:20 +01:00
reboot.c
ACPI: reboot: Avoid racing after writing to ACPI RESET_REG
2020-10-16 18:04:52 +02:00
resource.c
ACPI updates for 5.11-rc1
2020-12-15 16:39:06 -08:00
sbs.c
ACPI: SBS: Simplify the code using module_acpi_driver()
2020-11-17 18:12:34 +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
Merge branches 'acpi-scan', 'acpi-pnp' and 'acpi-sleep'
2020-12-22 15:51:11 +01:00
sleep.c
ACPI: PM: s2idle: Move x86-specific code to the x86 directory
2020-12-17 20:30:02 +01:00
sleep.h
ACPI: PM: s2idle: Move x86-specific code to the x86 directory
2020-12-17 20:30:02 +01:00
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: Remove the duplicated checks for acpi_parse_entries_array()
2020-07-27 15:19:12 +02:00
thermal.c
acpi: thermal: Don't call thermal_zone_device_is_enabled()
2020-07-07 01:26:06 +02:00
tiny-power-button.c
ACPI: tiny-power-button: Simplify the code using module_acpi_driver()
2020-11-17 18:12:34 +01:00
utils.c
ACPI: utils: remove unreachable breaks
2020-10-22 18:58:26 +02:00
video_detect.c
ACPI: video: Add DMI quirk for GIGABYTE GB-BXBT-2807
2020-12-07 14:01:22 +01:00
wakeup.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00