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| author | Lin Ming <ming.m.lin@intel.com> | 2011-11-16 11:08:30 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-01-17 03:36:28 -0500 |
| commit | ffef68273b6278e98a99dd4051671d4854b20fe0 (patch) | |
| tree | b1a5c251a01743c8e35435bc5817d4a3bd20b800 /include/acpi | |
| parent | c5bd6537329e66a8b36234f19a36d94b72d07394 (diff) | |
| download | lwn-ffef68273b6278e98a99dd4051671d4854b20fe0.tar.gz lwn-ffef68273b6278e98a99dd4051671d4854b20fe0.zip | |
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 <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpixf.h | 15 |
1 files changed, 13 insertions, 2 deletions
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); |