Commit 861ba635 authored by Lv Zheng's avatar Lv Zheng Committed by Rafael J. Wysocki

ACPICA: Events: Add runtime stub support for event APIs

ACPICA commit 99bc3beca92c6574ea1d69de42e54f872e6373ce

It is reported that on Linux, RTC driver complains wrong errors on
hardware reduced platform:
  [    4.085420] ACPI Warning: Could not enable fixed event - real_time_clock (4) (20160422/evxface-654)

This patch fixes this by correctly adding runtime reduced hardware check.
Reported by Chandan Tagore, fixed by Lv Zheng.

Link: https://github.com/acpica/acpica/commit/99bc3becTested-by: default avatarChandan Tagore <tagore.chandan@gmail.com>
Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 84676b87
...@@ -180,6 +180,12 @@ acpi_status acpi_enable_event(u32 event, u32 flags) ...@@ -180,6 +180,12 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
ACPI_FUNCTION_TRACE(acpi_enable_event); ACPI_FUNCTION_TRACE(acpi_enable_event);
/* If Hardware Reduced flag is set, there are no fixed events */
if (acpi_gbl_reduced_hardware) {
return_ACPI_STATUS(AE_OK);
}
/* Decode the Fixed Event */ /* Decode the Fixed Event */
if (event > ACPI_EVENT_MAX) { if (event > ACPI_EVENT_MAX) {
...@@ -237,6 +243,12 @@ acpi_status acpi_disable_event(u32 event, u32 flags) ...@@ -237,6 +243,12 @@ acpi_status acpi_disable_event(u32 event, u32 flags)
ACPI_FUNCTION_TRACE(acpi_disable_event); ACPI_FUNCTION_TRACE(acpi_disable_event);
/* If Hardware Reduced flag is set, there are no fixed events */
if (acpi_gbl_reduced_hardware) {
return_ACPI_STATUS(AE_OK);
}
/* Decode the Fixed Event */ /* Decode the Fixed Event */
if (event > ACPI_EVENT_MAX) { if (event > ACPI_EVENT_MAX) {
...@@ -290,6 +302,12 @@ acpi_status acpi_clear_event(u32 event) ...@@ -290,6 +302,12 @@ acpi_status acpi_clear_event(u32 event)
ACPI_FUNCTION_TRACE(acpi_clear_event); ACPI_FUNCTION_TRACE(acpi_clear_event);
/* If Hardware Reduced flag is set, there are no fixed events */
if (acpi_gbl_reduced_hardware) {
return_ACPI_STATUS(AE_OK);
}
/* Decode the Fixed Event */ /* Decode the Fixed Event */
if (event > ACPI_EVENT_MAX) { if (event > ACPI_EVENT_MAX) {
......
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