https://bugzilla.kernel.org/show_bug.cgi?id=203529
--- Comment #11 from John Darrah (xyl...@gmail.com) --- On Wed, 2021-06-02 at 20:47 -0700, bugzilla-dae...@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=203529 > > --- Comment #8 from Zhang Rui (rui.zh...@intel.com) --- > The > OperationRegion (WST1, GenericSerialBus, 0x1000, 0x0100) > is under I2C0 device. > --Code Sniped-- > > It seems that this device can be enumerated either as an ACPI device > or as > native PCI device, via a switch SMD0. > > So can you please attach the lspci output and see if it is enumerated > as PCI > device 00:15.0? if yes, please attach the lspci -vvx -s 00:15.0? > if no, can you please check if there is > /sys/bus/acpi/devices/INT34B2:0 device, > and if there is any driver binding to it? > > Plus, please check your BIOS options and if there is anything related > with > switching between "ACPI enumeration mode" and "PCI enumeration mode". > Here is the output from lspci: # lspci -vvx -s 00:15.0 00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller (rev 10) Subsystem: Dell Cannon Lake PCH Serial IO I2C Controller Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 22 Region 0: Memory at 4000118000 (64-bit, non-prefetchable) [size=4K] Capabilities: [80] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1- ,D2-,D3hot-,D3cold-) Status: D3 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [90] Vendor Specific Information: Len=14 <?> Kernel driver in use: intel-lpss Kernel modules: intel_lpss_pci 00: 86 80 68 a3 06 01 10 00 10 00 80 0c 10 00 80 00 10: 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 5b 09 30: 00 00 00 00 80 00 00 00 00 00 00 00 ff 01 00 00 A /sys/bus/acpi/devices/INT34B2:0 device does not exist. The folloing do exist though: INT34B0:00/ INT34B1:00/ INT34B3:00/ INT34B4:00/ INT34B5:00/ INT34B6:00/ INT34B7:00/ INT34B8:00/ INT34B9:00/ INT34BA:00/ INT34BC:00/ Neither the BIOS or manual have any setting regarding ACPI. -- john -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
