diff options
Diffstat (limited to 'drivers/acpi/bus.c')
| -rw-r--r-- | drivers/acpi/bus.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 610261a1b6c8..4ce0ea1e5a4e 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -52,6 +52,12 @@ struct proc_dir_entry *acpi_root_dir; EXPORT_SYMBOL(acpi_root_dir); #ifdef CONFIG_X86 +#ifdef CONFIG_ACPI_CUSTOM_DSDT +static inline int set_copy_dsdt(const struct dmi_system_id *id) +{ + return 0; +} +#else static int set_copy_dsdt(const struct dmi_system_id *id) { printk(KERN_NOTICE "%s detected - " @@ -59,6 +65,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id) acpi_gbl_copy_dsdt_locally = 1; return 0; } +#endif static struct dmi_system_id dsdt_dmi_table[] __initdata = { /* @@ -132,6 +139,21 @@ void acpi_bus_private_data_handler(acpi_handle handle, } EXPORT_SYMBOL(acpi_bus_private_data_handler); +int acpi_bus_attach_private_data(acpi_handle handle, void *data) +{ + acpi_status status; + + status = acpi_attach_data(handle, + acpi_bus_private_data_handler, data); + if (ACPI_FAILURE(status)) { + acpi_handle_debug(handle, "Error attaching device data\n"); + return -ENODEV; + } + + return 0; +} +EXPORT_SYMBOL_GPL(acpi_bus_attach_private_data); + int acpi_bus_get_private_data(acpi_handle handle, void **data) { acpi_status status; @@ -140,15 +162,20 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data) return -EINVAL; status = acpi_get_data(handle, acpi_bus_private_data_handler, data); - if (ACPI_FAILURE(status) || !*data) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n", - handle)); + if (ACPI_FAILURE(status)) { + acpi_handle_debug(handle, "No context for object\n"); return -ENODEV; } return 0; } -EXPORT_SYMBOL(acpi_bus_get_private_data); +EXPORT_SYMBOL_GPL(acpi_bus_get_private_data); + +void acpi_bus_detach_private_data(acpi_handle handle) +{ + acpi_detach_data(handle, acpi_bus_private_data_handler); +} +EXPORT_SYMBOL_GPL(acpi_bus_detach_private_data); void acpi_bus_no_hotplug(acpi_handle handle) { |