changed AcpiEnterSleepStateS4Bios

[Nate Lawson]

On Thu, 28 Aug 2003, Nate Lawson wrote:
>   Modified files:
>     sys/conf             files
>     sys/modules/acpi     Makefile
>     sys/dev/acpica       acpi.c
>     sys/i386/acpica      acpi_wakeup.c
>   Removed files:
>     sys/dev/acpica       acpica_support.c acpica_support.h
>   Log:
>   Use the ACPICA AcpiEnterSleepStateS4bios instead of rolling our own.  This
>   change also disables interrupts around non-S4 suspends whereas before we
>   did not do this.  Our version of AcpiEnterSleepStateS4bios was almost
>   identical to the ACPICA version.
>
>   Revision  Changes    Path
>   1.817     +0 -1      src/sys/conf/files
>   1.97      +0 -1      src/sys/dev/acpica/acpi.c
>   1.8       +0 -107    src/sys/dev/acpica/acpica_support.c (dead)
>   1.2       +0 -38     src/sys/dev/acpica/acpica_support.h (dead)
>   1.25      +4 -3      src/sys/i386/acpica/acpi_wakeup.c
>   1.31      +2 -3      src/sys/modules/acpi/Makefile

If you were using S4BIOS before, please let me know how this affects
things.  It should be a no-op as the functions were nearly the same.  Also
if S3 works for you, please test to be sure this doesn't break anything.
It works fine on my IBM T23.

-Nate