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ACPI: save device_type in acpi_device 

Most uses of the ACPI bus device_type (ACPI_BUS_TYPE_DEVICE,
ACPI_BUS_TYPE_POWER, etc) are during device initialization, but
we do need it later for notify handler installation, since that
is different for fixed hardware devices vs. namespace devices.

This patch saves the device_type in the acpi_device structure,
so we can check that rather than comparing against the _HID string.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
hifive-unleashed-5.1
Bjorn Helgaas 2009-09-21 19:29:10 +00:00 committed by Len Brown
parent 66b7ed40aa
commit caaa6efb3d
2 changed files with 3 additions and 1 deletions
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1
drivers/acpi/scan.c
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@ -1240,6 +1240,7 @@ acpi_add_single_object(struct acpi_device **child,
return -ENOMEM;
}
device->device_type = type;
device->handle = handle;
device->parent = parent;
device->bus_ops = *ops; /* workround for not call .start */

3
include/acpi/acpi_bus.h
View File

@ -262,7 +262,8 @@ struct acpi_device_wakeup {
/* Device */
struct acpi_device {
acpi_handle handle;
int device_type;
acpi_handle handle; /* no handle for fixed hardware */
struct acpi_device *parent;
struct list_head children;
struct list_head node;