Revert "acpi: mark PMTIMER as unlocked"

This reverts commit 7070e085d490c396f9237c8f10bf8b6e69cd0066.

Commit message claims locking is not needed, but that appears
to not be true, seabios ehci driver runs into timekeeping problems
with this, see
	https://bugzilla.redhat.com/show_bug.cgi?id=1322713

Signed-off-by: Gerd Hoffmann <[email protected]>
Message-id: 1460702609[email protected]
Signed-off-by: Peter Maydell <[email protected]>

diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 7925a1a45b03382862b32c4031418218c6efd0be..6a2f45214106d3454bd3b23e029c0614ef20ea9d 100644 (file)
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -536,7 +536,6 @@ void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
     ar->tmr.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, acpi_pm_tmr_timer, ar);
     memory_region_init_io(&ar->tmr.io, memory_region_owner(parent),
                           &acpi_pm_tmr_ops, ar, "acpi-tmr", 4);
-    memory_region_clear_global_locking(&ar->tmr.io);
     memory_region_add_subregion(parent, 8, &ar->tmr.io);
 }