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Revert "ACPI: ignore FADT reset-reg-sup flag"
This reverts commit cf45013. It breaks reboot on at least one Thinkpad T43, as reported by Jörg Otte: "On reboot it shuts down as normal. The last lines displayed are: >Unmounting temporary filesystems.. [OK] >Deactivating swap... [OK] >Unmounting local filesystems... [OK] >Will now restart > Restarting system Then I hear it accessing the cd-drive, but then it's being stuck." Jörg bisected the regression to this commit. That commit fixes another machine (see https://bugzilla.kernel.org/show_bug.cgi?id=11533 for details) that has a BIOS bug and doesn't support ACPI reset. However, at least one of those other reporters no longer even has the machine in question, and had a different workaround to begin with. Besides, it clearly was a buggy BIOS. Let's not break the correct case to fix that case. Reported-and-bisected-by: Jörg Otte <email@example.com> Cc: firstname.lastname@example.org Cc: Len Brown <email@example.com> Cc: Peter Anvin <firstname.lastname@example.org> Signed-off-by: Linus Torvalds <email@example.com>
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