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ACPI: Move acpi_bus_get_device() from bus.c to scan.c

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Move acpi_bus_get_device() from bus.c to scan.c which allows
acpi_bus_data_handler() to become static and clean up the latter.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2013-07-30 14:38:34 +02:00
parent 62eb4b07f0
commit caf5c03f17
3 changed files with 22 additions and 30 deletions
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21
drivers/acpi/bus.c
View File

@ -89,27 +89,6 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = {
Device Management
-------------------------------------------------------------------------- */
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
{
acpi_status status;
if (!device)
return -EINVAL;
/* TBD: Support fixed-feature devices */
status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device);
if (ACPI_FAILURE(status) || !*device) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
handle));
return -ENODEV;
}
return 0;
}
EXPORT_SYMBOL(acpi_bus_get_device);
acpi_status acpi_bus_get_status_handle(acpi_handle handle,
unsigned long long *sta)
{

30
drivers/acpi/scan.c
View File

@ -997,6 +997,28 @@ struct bus_type acpi_bus_type = {
.uevent = acpi_device_uevent,
};
static void acpi_bus_data_handler(acpi_handle handle, void *context)
{
/* Intentionally empty. */
}
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
{
acpi_status status;
if (!device)
return -EINVAL;
status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device);
if (ACPI_FAILURE(status) || !*device) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
handle));
return -ENODEV;
}
return 0;
}
EXPORT_SYMBOL_GPL(acpi_bus_get_device);
int acpi_device_add(struct acpi_device *device,
void (*release)(struct device *))
{
@ -1208,14 +1230,6 @@ acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd)
}
EXPORT_SYMBOL_GPL(acpi_bus_get_ejd);
void acpi_bus_data_handler(acpi_handle handle, void *context)
{
/* TBD */
return;
}
static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
struct acpi_device_wakeup *wakeup)
{

1
include/acpi/acpi_bus.h
View File

@ -363,7 +363,6 @@ extern void unregister_acpi_bus_notifier(struct notifier_block *nb);
*/
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
void acpi_bus_data_handler(acpi_handle handle, void *context);
acpi_status acpi_bus_get_status_handle(acpi_handle handle,
unsigned long long *sta);
int acpi_bus_get_status(struct acpi_device *device);