diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/events/evmisc.c | 59 | ||||
| -rw-r--r-- | drivers/acpi/utilities/utglobal.c | 42 |
2 files changed, 65 insertions, 36 deletions
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 4e7a13afe80c..16cf2700c16f 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -49,22 +49,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evmisc") -/* Names for Notify() values, used for debug output */ -#ifdef ACPI_DEBUG_OUTPUT -static const char *acpi_notify_value_names[] = { - "Bus Check", - "Device Check", - "Device Wake", - "Eject Request", - "Device Check Light", - "Frequency Mismatch", - "Bus Mode Mismatch", - "Power Fault" -}; -#endif - /* Pointer to FACS needed for the Global Lock */ - static struct acpi_table_facs *facs = NULL; /* Local prototypes */ @@ -94,7 +79,6 @@ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node) switch (node->type) { case ACPI_TYPE_DEVICE: case ACPI_TYPE_PROCESSOR: - case ACPI_TYPE_POWER: case ACPI_TYPE_THERMAL: /* * These are the ONLY objects that can receive ACPI notifications @@ -139,17 +123,9 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, * initiate soft-off or sleep operation? */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Dispatching Notify(%X) on node %p\n", notify_value, - node)); - - if (notify_value <= 7) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Notify value: %s\n", - acpi_notify_value_names[notify_value])); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Notify value: 0x%2.2X **Device Specific**\n", - notify_value)); - } + "Dispatching Notify on [%4.4s] Node %p Value 0x%2.2X (%s)\n", + acpi_ut_get_node_name(node), node, notify_value, + acpi_ut_get_notify_name(notify_value))); /* Get the notify object attached to the NS Node */ @@ -159,10 +135,12 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, /* We have the notify object, Get the right handler */ switch (node->type) { + + /* Notify allowed only on these types */ + case ACPI_TYPE_DEVICE: case ACPI_TYPE_THERMAL: case ACPI_TYPE_PROCESSOR: - case ACPI_TYPE_POWER: if (notify_value <= ACPI_MAX_SYS_NOTIFY) { handler_obj = @@ -179,8 +157,13 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, } } - /* If there is any handler to run, schedule the dispatcher */ - + /* + * If there is any handler to run, schedule the dispatcher. + * Check for: + * 1) Global system notify handler + * 2) Global device notify handler + * 3) Per-device notify handler + */ if ((acpi_gbl_system_notify.handler && (notify_value <= ACPI_MAX_SYS_NOTIFY)) || (acpi_gbl_device_notify.handler @@ -190,6 +173,13 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, return (AE_NO_MEMORY); } + if (!handler_obj) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Executing system notify handler for Notify (%4.4s, %X) node %p\n", + acpi_ut_get_node_name(node), + notify_value, node)); + } + notify_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_NOTIFY; notify_info->notify.node = node; @@ -202,15 +192,12 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, if (ACPI_FAILURE(status)) { acpi_ut_delete_generic_state(notify_info); } - } - - if (!handler_obj) { + } else { /* - * There is no per-device notify handler for this device. - * This may or may not be a problem. + * There is no notify handler (per-device or system) for this device. */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "No notify handler for Notify(%4.4s, %X) node %p\n", + "No notify handler for Notify (%4.4s, %X) node %p\n", acpi_ut_get_node_name(node), notify_value, node)); } diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c index d2097ded262d..d0226fedb004 100644 --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -602,6 +602,48 @@ char *acpi_ut_get_mutex_name(u32 mutex_id) return (acpi_gbl_mutex_names[mutex_id]); } + +/******************************************************************************* + * + * FUNCTION: acpi_ut_get_notify_name + * + * PARAMETERS: notify_value - Value from the Notify() request + * + * RETURN: String corresponding to the Notify Value. + * + * DESCRIPTION: Translate a Notify Value to a notify namestring. + * + ******************************************************************************/ + +/* Names for Notify() values, used for debug output */ + +static const char *acpi_gbl_notify_value_names[] = { + "Bus Check", + "Device Check", + "Device Wake", + "Eject Request", + "Device Check Light", + "Frequency Mismatch", + "Bus Mode Mismatch", + "Power Fault", + "Capabilities Check", + "Device PLD Check", + "Reserved", + "System Locality Update" +}; + +const char *acpi_ut_get_notify_name(u32 notify_value) +{ + + if (notify_value <= ACPI_NOTIFY_MAX) { + return (acpi_gbl_notify_value_names[notify_value]); + } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) { + return ("Reserved"); + } else { /* Greater or equal to 0x80 */ + + return ("**Device Specific**"); + } +} #endif /******************************************************************************* |