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| author | Lin Ming <ming.m.lin@intel.com> | 2010-12-13 13:39:26 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-12 04:27:00 -0500 |
| commit | a0fcdb237fcd4eaa7e5009b28ef5be07415f287d (patch) | |
| tree | d07a4950648ad9a7eaab8fd28b37685926bb23a9 /drivers/acpi/sysfs.c | |
| parent | bba63a296ffab20e08d9e8252d2f0d99050ac859 (diff) | |
| download | linux-a0fcdb237fcd4eaa7e5009b28ef5be07415f287d.tar.gz linux-a0fcdb237fcd4eaa7e5009b28ef5be07415f287d.tar.bz2 linux-a0fcdb237fcd4eaa7e5009b28ef5be07415f287d.zip | |
ACPICA: Global event handler
The global event handler is called whenever a general purpose
or fixed ACPI event occurs.
Also update Linux OSL to collect events counter with
global event handler.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sysfs.c')
| -rw-r--r-- | drivers/acpi/sysfs.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index f8588f81048a..61891e75583d 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -438,7 +438,7 @@ static void delete_gpe_attr_array(void) return; } -void acpi_os_gpe_count(u32 gpe_number) +static void gpe_count(u32 gpe_number) { acpi_gpe_count++; @@ -454,7 +454,7 @@ void acpi_os_gpe_count(u32 gpe_number) return; } -void acpi_os_fixed_event_count(u32 event_number) +static void fixed_event_count(u32 event_number) { if (!all_counters) return; @@ -468,6 +468,16 @@ void acpi_os_fixed_event_count(u32 event_number) return; } +static void acpi_gbl_event_handler(u32 event_type, acpi_handle device, + u32 event_number, void *context) +{ + if (event_type == ACPI_EVENT_TYPE_GPE) + gpe_count(event_number); + + if (event_type == ACPI_EVENT_TYPE_FIXED) + fixed_event_count(event_number); +} + static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle) { @@ -601,6 +611,7 @@ end: void acpi_irq_stats_init(void) { + acpi_status status; int i; if (all_counters) @@ -619,6 +630,10 @@ void acpi_irq_stats_init(void) if (all_counters == NULL) goto fail; + status = acpi_install_global_event_handler(acpi_gbl_event_handler, NULL); + if (ACPI_FAILURE(status)) + goto fail; + counter_attrs = kzalloc(sizeof(struct kobj_attribute) * (num_counters), GFP_KERNEL); if (counter_attrs == NULL) |