diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/acpica/acpi_cmbat.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/acpica/acpi_cmbat.c b/sys/dev/acpica/acpi_cmbat.c index e849346..90f46a4 100644 --- a/sys/dev/acpica/acpi_cmbat.c +++ b/sys/dev/acpica/acpi_cmbat.c @@ -274,7 +274,12 @@ acpi_cmbat_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) acpi_UserNotify("CMBAT", h, notify); - ACPI_SERIAL_BEGIN(cmbat); + /* + * Clear the appropriate last updated time. The next call to retrieve + * the battery status will get the new value for us. We don't need to + * acquire a lock since we are only clearing the time stamp and since + * calling _BST/_BIF can trigger a notify, we could deadlock also. + */ switch (notify) { case ACPI_NOTIFY_DEVICE_CHECK: case ACPI_BATTERY_BST_CHANGE: @@ -287,7 +292,6 @@ acpi_cmbat_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) default: break; } - ACPI_SERIAL_END(cmbat); } static int |
