ACPI: remove unused "status_changed" return value from Check Device handling
Remove "status_changed" return from acpi_bus_check_device(). Nobody does anything useful based on its value. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -450,8 +450,7 @@ int acpi_bus_receive_event(struct acpi_bus_event *event)
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Notification Handling
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-------------------------------------------------------------------------- */
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static int
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acpi_bus_check_device(struct acpi_device *device, int *status_changed)
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static int acpi_bus_check_device(struct acpi_device *device)
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{
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acpi_status status = 0;
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struct acpi_device_status old_status;
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@ -460,9 +459,6 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed)
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if (!device)
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return -EINVAL;
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if (status_changed)
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*status_changed = 0;
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old_status = device->status;
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/*
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@ -471,10 +467,6 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed)
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*/
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if (device->parent && !device->parent->status.present) {
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device->status = device->parent->status;
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if (STRUCT_TO_INT(old_status) != STRUCT_TO_INT(device->status)) {
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if (status_changed)
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*status_changed = 1;
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}
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return 0;
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}
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@ -485,9 +477,6 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed)
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if (STRUCT_TO_INT(old_status) == STRUCT_TO_INT(device->status))
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return 0;
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if (status_changed)
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*status_changed = 1;
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/*
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* Device Insertion/Removal
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*/
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@ -505,20 +494,15 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed)
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static int acpi_bus_check_scope(struct acpi_device *device)
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{
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int result = 0;
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int status_changed = 0;
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if (!device)
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return -EINVAL;
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/* Status Change? */
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result = acpi_bus_check_device(device, &status_changed);
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result = acpi_bus_check_device(device);
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if (result)
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return result;
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if (!status_changed)
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return 0;
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/*
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* TBD: Enumerate child devices within this device's scope and
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* run acpi_bus_check_device()'s on them.
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@ -571,7 +555,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
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break;
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case ACPI_NOTIFY_DEVICE_CHECK:
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result = acpi_bus_check_device(device, NULL);
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result = acpi_bus_check_device(device);
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/*
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* TBD: We'll need to outsource certain events to non-ACPI
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* drivers via the device manager (device.c).
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