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authorThomas Gleixner <tglx@linutronix.de>2010-06-28 22:33:13 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-06-28 22:33:24 +0200
commitf384c954c9fe3d3c6fce5ae66b67f2ddd947d098 (patch)
treea38541b8083a2304435e9a153d408bd7cd44116e /drivers/acpi/acpica/exsystem.c
parent9a15a07fe2175dc25cd928a354b3839f562ac8cc (diff)
parent5904b3b81d25166e5e39b9727645bb47937618e3 (diff)
downloadop-kernel-dev-f384c954c9fe3d3c6fce5ae66b67f2ddd947d098.zip
op-kernel-dev-f384c954c9fe3d3c6fce5ae66b67f2ddd947d098.tar.gz
Merge branch 'linus' into perf/core
Reason: Further changes conflict with upstream fixes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/acpi/acpica/exsystem.c')
-rw-r--r--drivers/acpi/acpica/exsystem.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index 6d32e09..675aaa9 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -201,6 +201,14 @@ acpi_status acpi_ex_system_do_sleep(u64 how_long)
acpi_ex_relinquish_interpreter();
+ /*
+ * For compatibility with other ACPI implementations and to prevent
+ * accidental deep sleeps, limit the sleep time to something reasonable.
+ */
+ if (how_long > ACPI_MAX_SLEEP) {
+ how_long = ACPI_MAX_SLEEP;
+ }
+
acpi_os_sleep(how_long);
/* And now we must get the interpreter again */
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