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ACPI: Add acpi_bus_attach_private_data() to attach data to ACPI handle

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There is already acpi_bus_get_private_data() to get ACPI handle data
which is associated with acpi_bus_private_data_handler(). This patch
is to add acpi_bus_attach_private_data() to make a pair and facilitate
to attach and get data to/from ACPI handle.

Reviewed-by: Mika Westerberg <[email protected]>
Signed-off-by: Lan Tianyu <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Lan Tianyu 2014-05-20 20:59:21 +08:00 • committed by Rafael J. Wysocki
commit 72013795a7
2 changed files with 26 additions and 4 deletions
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include/acpi/acpi_bus.h
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@ -406,6 +406,8 @@ extern struct kobject *acpi_kobj;
extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
void acpi_bus_private_data_handler(acpi_handle, void *);
int acpi_bus_get_private_data(acpi_handle, void **);
int acpi_bus_attach_private_data(acpi_handle, void *);
void acpi_bus_detach_private_data(acpi_handle);
void acpi_bus_no_hotplug(acpi_handle handle);
extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
extern int register_acpi_notifier(struct notifier_block *);