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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/99bc3bec Tested-by: Chandan Tagore <tagore.chandan@gmail.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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1 changed files with 18 additions and 0 deletions
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@ -180,6 +180,12 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
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ACPI_FUNCTION_TRACE(acpi_enable_event);
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/* If Hardware Reduced flag is set, there are no fixed events */
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if (acpi_gbl_reduced_hardware) {
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return_ACPI_STATUS(AE_OK);
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}
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/* Decode the Fixed Event */
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if (event > ACPI_EVENT_MAX) {
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@ -237,6 +243,12 @@ acpi_status acpi_disable_event(u32 event, u32 flags)
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ACPI_FUNCTION_TRACE(acpi_disable_event);
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/* If Hardware Reduced flag is set, there are no fixed events */
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if (acpi_gbl_reduced_hardware) {
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return_ACPI_STATUS(AE_OK);
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}
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/* Decode the Fixed Event */
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if (event > ACPI_EVENT_MAX) {
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@ -290,6 +302,12 @@ acpi_status acpi_clear_event(u32 event)
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ACPI_FUNCTION_TRACE(acpi_clear_event);
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/* If Hardware Reduced flag is set, there are no fixed events */
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if (acpi_gbl_reduced_hardware) {
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return_ACPI_STATUS(AE_OK);
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}
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/* Decode the Fixed Event */
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if (event > ACPI_EVENT_MAX) {
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