[PATCH 1/9] ACPI: Add acpi_bus_generate_event4() function

Alexey Starikovskiy
2007-08-31T20:11:22Z

acpi_bus_generate_event() takes two strings out of passed device object.
SBS needs to supply these strings directly.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
---

drivers/acpi/bus.c | 23 +++++++++++++++--------
drivers/acpi/sbs.c | 46 ++++++++++++++--------------------------------
include/acpi/acpi_bus.h | 1 +
3 files changed, 30 insertions(+), 40 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9ba778a..a54234d 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -284,15 +284,11 @@ DECLARE_WAIT_QUEUE_HEAD(acpi_bus_event_queue);

extern int event_is_open;

-int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
+int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id, u8 type, int data)
{
- struct acpi_bus_event *event = NULL;
+ struct acpi_bus_event *event;
unsigned long flags = 0;

-
- if (!device)
- return -EINVAL;
-
/* drop event on the floor if no one's listening */
if (!event_is_open)
return 0;
@@ -301,8 +297,8 @@ int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
if (!event)
return -ENOMEM;

- strcpy(event->device_class, device->pnp.device_class);
- strcpy(event->bus_id, device->pnp.bus_id);
+ strcpy(event->device_class, device_class);
+ strcpy(event->bus_id, bus_id);
event->type = type;
event->data = data;

@@ -313,6 +309,17 @@ int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
wake_up_interruptible(&acpi_bus_event_queue);

return 0;
+
+}
+
+EXPORT_SYMBOL_GPL(acpi_bus_generate_proc_event4);
+
+int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
+{
+ if (!device)
+ return -EINVAL;
+ return acpi_bus_generate_proc_event4(device->pnp.device_class,
+ device->pnp.bus_id, type, data);
}

EXPORT_SYMBOL(acpi_bus_generate_proc_event);
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index a578986..33ba4bf 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -427,28 +427,6 @@ static int acpi_check_update_proc(struct acpi_sbs *sbs)
return 0;
}

-static int acpi_sbs_generate_event(struct acpi_device *device,
- int event, int state, char *bid, char *class)
-{
- char bid_saved[5];
- char class_saved[20];
- int result = 0;
-
- strcpy(bid_saved, acpi_device_bid(device));
- strcpy(class_saved, acpi_device_class(device));
-
- strcpy(acpi_device_bid(device), bid);
- strcpy(acpi_device_class(device), class);
-
- result = acpi_bus_generate_proc_event(device, event, state);
-
- strcpy(acpi_device_bid(device), bid_saved);
- strcpy(acpi_device_class(device), class_saved);
-
- acpi_bus_generate_netlink_event(class, bid, event, state);
- return result;
-}
-
static int acpi_battery_get_present(struct acpi_battery *battery)
{
s16 state;
@@ -1452,15 +1430,17 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type)
}

if (do_ac_init) {
- result = acpi_sbs_generate_event(sbs->device,
- ACPI_SBS_AC_NOTIFY_STATUS,
- new_ac_present,
+ result = acpi_bus_generate_proc_event4(ACPI_AC_CLASS,
ACPI_AC_DIR_NAME,
- ACPI_AC_CLASS);
+ ACPI_SBS_AC_NOTIFY_STATUS,
+ new_ac_present);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_generate_event() failed"));
+ "acpi_bus_generate_event4() failed"));
}
+ acpi_bus_generate_netlink_event(ACPI_AC_CLASS, ACPI_AC_DIR_NAME,
+ ACPI_SBS_AC_NOTIFY_STATUS,
+ new_ac_present);
}

if (data_type == DATA_TYPE_COMMON) {
@@ -1568,14 +1548,16 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type)
old_remaining_capacity !=
battery->state.remaining_capacity) {
sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
- result = acpi_sbs_generate_event(sbs->device,
- ACPI_SBS_BATTERY_NOTIFY_STATUS,
- new_battery_present,
+ result = acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS,
dir_name,
- ACPI_BATTERY_CLASS);
+ ACPI_SBS_BATTERY_NOTIFY_STATUS,
+ new_battery_present);
+ acpi_bus_generate_netlink_event(ACPI_BATTERY_CLASS, dir_name,
+ ACPI_SBS_BATTERY_NOTIFY_STATUS,
+ new_battery_present);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_generate_event() "
+ "acpi_bus_generate_proc_event4() "
"failed"));
}
}
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 86aea44..8a388e7 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -333,6 +333,7 @@ int acpi_bus_get_power(acpi_handle handle, int *state);
int acpi_bus_set_power(acpi_handle handle, int state);
#ifdef CONFIG_ACPI_PROC_EVENT
int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);
+int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);
int acpi_bus_receive_event(struct acpi_bus_event *event);
#else
static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)