Re: [PATCH v7] platform:x86: add Intel P-Unit mailbox IPC driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thursday, October 22, 2015 05:43:07 PM Darren Hart wrote:
> On Thu, Oct 22, 2015 at 03:18:16PM +0000, Zha, Qipeng wrote:
> > >Is the ASL fragment you provided collected from a running Linux system using
> > >acpidump? If so, then the resources ACPI advertises to the OS are not
> > >actually available... and that can't be acceptable.
> > This is real ASL code I got from BIOS team and validated on bxt platform.
> > Confirmed BIOS runtime code will update "acpi table" in memory before switch
> > to os,  for those resource which need to get/read from hardware dynamically,
> > in this case, MINF and MDAT is set in runtime when boot BIOS and size of res0
> > is set as 4B.
> 
> So the ASL you provided was not what the Linux kernel is seeing, correct?
> 
> Can you please provide a DSDT disassembly from the running Linux system please,
> such as:
> 
> # cp /sys/firmware/acpi/tables/DSDT DSDT.dat
> # iasl -d DSDT.dat
> 
> Then find this device in DSDT.dsl and paste it here please.

Or even better send the full output of acpidump from that system (when running).

Thanks,
Rafael

--
To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Kernel Development]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux