From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Mon, 21 Sep 2009 19:29:40 +0000 (+0000)
Subject: ACPI: convert acpi_bus_scan() to operate on an acpi_handle
X-Git-Tag: v2.6.32-rc1~18^2~2^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e029bf0a611ea3995bd1fae0285cbaf6eed7f16;p=pandora-kernel.git

ACPI: convert acpi_bus_scan() to operate on an acpi_handle

This patch changes acpi_bus_scan() to take an acpi_handle rather than an
acpi_device pointer.  I plan to use acpi_bus_scan() in the hotplug path,
and I'd rather not assume that notifications only go to nodes that already
have acpi_devices.

This will also help remove the special case for adding the root node.  We
currently add the root by hand before acpi_bus_scan(), but using a handle
here means we can start the acpi_bus_scan() directly with the root even
though it doesn't have an acpi_device yet.

Note that acpi_bus_scan() currently adds and/or starts the *children* of
its device argument.  It doesn't do anything with the device itself.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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