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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-28 01:53:50 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-28 01:53:50 +0200 |
commit | 0ad4991cae47c0d3ae93e1531ba5572d223d700c (patch) | |
tree | 65ef2e310b84c159b56630f36e2d9c75c3c9f9e6 /drivers/acpi/acpica/evevent.c | |
parent | 2467d7b7037438f2d1fed826fc5217dddf4b37fb (diff) | |
parent | 8ee88d591154ad7d9d413ba150a1ddbb8c2bf198 (diff) |
Merge branch 'acpica'
* acpica: (33 commits)
ACPICA: Update version to 20130328
ACPICA: Add a lock to the internal object reference count mechanism
ACPICA: Fix a format string for 64-bit generation
ACPICA: Remove FORCE_DELETE option for global reference count mechanism
ACPICA: Improve error message for Index() operator
ACPICA: FADT: Remove extraneous warning for very large GPE registers
ACPICA: Fix a typo in a function header, no functional change
ACPICA: Fix a typo in an error message
ACPICA: Fix for some comments/headers
ACPICA: _OSI Support: handle any errors from acpi_os_acquire_mutex()
ACPICA: Predefine names: Add allowed argument types to master info table
ACPI: Set length even for TYPE_END_TAG acpi resource
ACPICA: Update version to 20130214
ACPICA: Object repair: Allow 0-length packages for variable-length packages
ACPICA: Disassembler: Add warnings for unresolved control methods
ACPICA: Return object repair: Add resource template repairs
ACPICA: Return object repair: Add string-to-unicode conversion
ACPICA: Split object conversion functions to a new file
ACPICA: Add mechanism for early object repairs on a per-name basis
ACPICA: Remove trailing comma in enum declarations
...
Diffstat (limited to 'drivers/acpi/acpica/evevent.c')
-rw-r--r-- | drivers/acpi/acpica/evevent.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index b8ea0b26cde3..83cd45f4a870 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -257,6 +257,8 @@ u32 acpi_ev_fixed_event_detect(void) * * DESCRIPTION: Clears the status bit for the requested event, calls the * handler that previously registered for the event. + * NOTE: If there is no handler for the event, the event is + * disabled to prevent further interrupts. * ******************************************************************************/ @@ -271,17 +273,17 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event) status_register_id, ACPI_CLEAR_STATUS); /* - * Make sure we've got a handler. If not, report an error. The event is - * disabled to prevent further interrupts. + * Make sure that a handler exists. If not, report an error + * and disable the event to prevent further interrupts. */ - if (NULL == acpi_gbl_fixed_event_handlers[event].handler) { + if (!acpi_gbl_fixed_event_handlers[event].handler) { (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event]. enable_register_id, ACPI_DISABLE_EVENT); ACPI_ERROR((AE_INFO, - "No installed handler for fixed event [0x%08X]", - event)); + "No installed handler for fixed event - %s (%u), disabling", + acpi_ut_get_event_name(event), event)); return (ACPI_INTERRUPT_NOT_HANDLED); } |