From: Al Stone al.stone@linaro.org
Do not save and restore bus master reload registers in suspend/resume when in reduced HW mode; according to the spec, no such registers should exist
Signed-off-by: Al Stone al.stone@linaro.org --- drivers/acpi/processor_idle.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 597cdab..eac984a 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -229,12 +229,14 @@ static struct syscore_ops acpi_processor_syscore_ops = {
void acpi_processor_syscore_init(void) { - register_syscore_ops(&acpi_processor_syscore_ops); + if (!acpi_gbl_reduced_hardware) + register_syscore_ops(&acpi_processor_syscore_ops); }
void acpi_processor_syscore_exit(void) { - unregister_syscore_ops(&acpi_processor_syscore_ops); + if (!acpi_gbl_reduced_hardware) + unregister_syscore_ops(&acpi_processor_syscore_ops); } #endif /* CONFIG_PM_SLEEP */