From ffef68273b6278e98a99dd4051671d4854b20fe0 Mon Sep 17 00:00:00 2001 From: Lin Ming Date: Wed, 16 Nov 2011 11:08:30 +0800 Subject: ACPI 5.0: New interfaces to allow driver access to AML mutex objects Adds acpi_acquire_mutex, acpi_release_mutex external interfaces. New file, utxfmutex.c. Signed-off-by: Lin Ming Signed-off-by: Bob Moore Signed-off-by: Len Brown --- include/acpi/acpixf.h | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 9ba2e3aff5c6..dd86610039b3 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -277,12 +277,23 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler); acpi_status acpi_install_interface_handler(acpi_interface_handler handler); /* - * Event interfaces + * Global Lock interfaces */ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle); acpi_status acpi_release_global_lock(u32 handle); +/* + * Interfaces to AML mutex objects + */ +acpi_status +acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout); + +acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname); + +/* + * Fixed Event interfaces + */ acpi_status acpi_enable_event(u32 event, u32 flags); acpi_status acpi_disable_event(u32 event, u32 flags); @@ -292,7 +303,7 @@ acpi_status acpi_clear_event(u32 event); acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status); /* - * GPE Interfaces + * General Purpose Event (GPE) Interfaces */ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number); -- cgit v1.2.3