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| author | Bob Moore <robert.moore@intel.com> | 2008-04-10 19:06:37 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-22 14:29:22 -0400 |
| commit | f02e9fa1ceee045f7d5c53d475032815752a2510 (patch) | |
| tree | 52da78bd3ef6442418ad2dae6fa55aab964dc6b4 /drivers/acpi/executer/exutils.c | |
| parent | a4df451a1055d97726ab890249bc3f941906fa75 (diff) | |
| download | lwn-f02e9fa1ceee045f7d5c53d475032815752a2510.tar.gz lwn-f02e9fa1ceee045f7d5c53d475032815752a2510.zip | |
ACPICA: Misc fixes for recent global lock code update
Fixes as a result of running full validation test suite.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/executer/exutils.c')
| -rw-r--r-- | drivers/acpi/executer/exutils.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c index c40b191f70b5..fd543ee547ae 100644 --- a/drivers/acpi/executer/exutils.c +++ b/drivers/acpi/executer/exutils.c @@ -278,7 +278,8 @@ void acpi_ex_acquire_global_lock(u32 field_flags) * * FUNCTION: acpi_ex_release_global_lock * - * PARAMETERS: None + * PARAMETERS: field_flags - Flags with Lock rule: + * always_lock or never_lock * * RETURN: None * @@ -286,12 +287,18 @@ void acpi_ex_acquire_global_lock(u32 field_flags) * ******************************************************************************/ -void acpi_ex_release_global_lock(void) +void acpi_ex_release_global_lock(u32 field_flags) { acpi_status status; ACPI_FUNCTION_TRACE(ex_release_global_lock); + /* Only use the lock if the always_lock bit is set */ + + if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) { + return_VOID; + } + /* Release the global lock */ status = acpi_ex_release_mutex_object(acpi_gbl_global_lock_mutex); |