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ACPI / fan: use acpi_device_xxx_power instead of acpi_bus equivelant

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When we have the acpi_device pointer, there is no need to pass the
device's handle to the acpi_bus_xxx_power functions to get/set/update
the device's power state, instead, use the acpi_device_xxx_power
functions directly.

To make this happen for fan module, export acpi_device_update_power.

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Aaron Lu
2013-11-19 15:43:52 +08:00
committed by Zhang Rui
parent 8dd41f78ad
commit 2bb3a2bf99
4 changed files with 7 additions and 7 deletions
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1
drivers/acpi/device_pm.c
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@@ -343,6 +343,7 @@ int acpi_device_update_power(struct acpi_device *device, int *state_p)
return 0;
}
EXPORT_SYMBOL_GPL(acpi_device_update_power);
int acpi_bus_update_power(acpi_handle handle, int *state_p)
{