[PATCH v6 2/6] ACPI: bus master reload not supported in reduced HW mode
From: al.stone at linaro.org <hidden>
Date: 2014-01-10 22:52:16
Also in:
linux-acpi
Subsystem:
acpi, the rest · Maintainers:
"Rafael J. Wysocki", Linus Torvalds
From: Al Stone <redacted> 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 <redacted> --- 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 */
--
1.8.4.2