Re: [RFC PATCH 04/14] ACPI: Add ACPI 5.0 Time and Alarm Device driver

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

 



於 三,2014-01-08 於 09:56 -0800,H. Peter Anvin 提到:
[...]
> > Document of Windows XP:
> >
> http://www.freelists.org/post/windows_errors/what-error-messages-really-mean-WinXP-IO-Ports-Blocked-from-Bios-AML-on-Windows-XP
> > 
> > If just for ACPI TAD testing, we can remove the port protection
> check of
> > RTC ports in hwvalid.c. I have read 0x70/0x71 port success after
> removed
> > the checking in acpica/hwvalid.c.
> > 
> > I will try to write RTC port in AML after remove acpica check, maybe
> > have other unpredictable situation.
> > 
> 
> Now *THERE* is a good use of the "no RTC bit".  In the case that bit
> is
> set we should presumably remove these ports from the block list.

Thanks for your suggestion, I will put a testing patch on this.

> 
> Otherwise we should use the CMOS address space, not the I/O port
> address
> space.
> 
>         -hpa 

Unfortunately current acpica leaks the SystemCMOS handler:

ACPI Error: Region SystemCMOS (ID=5) has no handler (20131115/exfldio-299)


Regards
Joey Lee


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




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux