diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-17 09:44:48 -0400 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-17 09:44:48 -0400 |
commit | 2421ad48f4aed63bc890e8f3c53ed581a542fb66 (patch) | |
tree | f0d8fe117cfc0e8227816cace9d5434503bedf0e /drivers/acpi/device_pm.c | |
parent | b08fc109ce4a32ce2f73f6e0437abc94ab1dd023 (diff) |
ACPI / PM: Drop two functions that are not used any more
Two functions defined in device_pm.c, acpi_dev_pm_add_dependent()
and acpi_dev_pm_remove_dependent(), have no callers and may be
dropped, so drop them.
Moreover, they are the only functions adding entries to and removing
entries from the power_dependent list in struct acpi_device, so drop
that list too.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/device_pm.c')
-rw-r--r-- | drivers/acpi/device_pm.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 59d3202f6b36..a94383d1f350 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c | |||
@@ -1025,60 +1025,4 @@ void acpi_dev_pm_detach(struct device *dev, bool power_off) | |||
1025 | } | 1025 | } |
1026 | } | 1026 | } |
1027 | EXPORT_SYMBOL_GPL(acpi_dev_pm_detach); | 1027 | EXPORT_SYMBOL_GPL(acpi_dev_pm_detach); |
1028 | |||
1029 | /** | ||
1030 | * acpi_dev_pm_add_dependent - Add physical device depending for PM. | ||
1031 | * @handle: Handle of ACPI device node. | ||
1032 | * @depdev: Device depending on that node for PM. | ||
1033 | */ | ||
1034 | void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev) | ||
1035 | { | ||
1036 | struct acpi_device_physical_node *dep; | ||
1037 | struct acpi_device *adev; | ||
1038 | |||
1039 | if (!depdev || acpi_bus_get_device(handle, &adev)) | ||
1040 | return; | ||
1041 | |||
1042 | mutex_lock(&adev->physical_node_lock); | ||
1043 | |||
1044 | list_for_each_entry(dep, &adev->power_dependent, node) | ||
1045 | if (dep->dev == depdev) | ||
1046 | goto out; | ||
1047 | |||
1048 | dep = kzalloc(sizeof(*dep), GFP_KERNEL); | ||
1049 | if (dep) { | ||
1050 | dep->dev = depdev; | ||
1051 | list_add_tail(&dep->node, &adev->power_dependent); | ||
1052 | } | ||
1053 | |||
1054 | out: | ||
1055 | mutex_unlock(&adev->physical_node_lock); | ||
1056 | } | ||
1057 | EXPORT_SYMBOL_GPL(acpi_dev_pm_add_dependent); | ||
1058 | |||
1059 | /** | ||
1060 | * acpi_dev_pm_remove_dependent - Remove physical device depending for PM. | ||
1061 | * @handle: Handle of ACPI device node. | ||
1062 | * @depdev: Device depending on that node for PM. | ||
1063 | */ | ||
1064 | void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev) | ||
1065 | { | ||
1066 | struct acpi_device_physical_node *dep; | ||
1067 | struct acpi_device *adev; | ||
1068 | |||
1069 | if (!depdev || acpi_bus_get_device(handle, &adev)) | ||
1070 | return; | ||
1071 | |||
1072 | mutex_lock(&adev->physical_node_lock); | ||
1073 | |||
1074 | list_for_each_entry(dep, &adev->power_dependent, node) | ||
1075 | if (dep->dev == depdev) { | ||
1076 | list_del(&dep->node); | ||
1077 | kfree(dep); | ||
1078 | break; | ||
1079 | } | ||
1080 | |||
1081 | mutex_unlock(&adev->physical_node_lock); | ||
1082 | } | ||
1083 | EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent); | ||
1084 | #endif /* CONFIG_PM */ | 1028 | #endif /* CONFIG_PM */ |