Re: [2.6.31-rc6] ACPI region conflict regression...

[Robert Hancock]

On 08/16/2009 03:59 AM, Daniel J Blueman wrote:
> When booting 2.6.31-rc6 on some x86-64 hardware with fan control and
> monitoring via the Winbond 83627 chip, 2.6.31-rc6 prevents the module
> using an I/O region [1] described in the ACPI DSDT table [2] - which
> didn't occur in -rc5.
>
> Is there a way to relax this, or does it require adding
> acpi_bus_register_driver(struct acpi_driver) and the needed code this
> late in the game?
>
> Thanks,
>    Daniel
>
> --- [1]
>
> w83627ehf: Found W83627EHG chip at 0x290
> ACPI: I/O resource w83627ehf [0x295-0x296] conflicts with ACPI region
> SEN1 [0x295-0x296]
> ACPI: Device needs an ACPI driver

This is only a warning, it doesn't prevent reserving the region by 
default, does it?

> --- [2]
>
>      OperationRegion (SEN1, SystemIO, 0x0295, 0x02)
>      Field (SEN1, ByteAcc, NoLock, Preserve)
>      {
>          SEI0,   8,
>          SED0,   8
>      }

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