From: Paul Durrant <paul.durrant@citrix.com>
Date: Fri, 2 Dec 2011 21:51:17 +0000 (-0800)
Subject: hvmloader: Change VM Generation Id Device HID.
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22?a=commitdiff_plain;h=38107100e8043acf2de5893a95bfa4b867c65fb7;p=xen.git

hvmloader: Change VM Generation Id Device HID.

Unfortunately a HID of PNP0A06 will not work for an existing client
driver so this patch aims to choose something that's pretty certain
not to class with anything else.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
---

diff --git a/tools/firmware/hvmloader/acpi/dsdt.asl b/tools/firmware/hvmloader/acpi/dsdt.asl
index ca64feca61..bf44dd63c4 100644
--- a/tools/firmware/hvmloader/acpi/dsdt.asl
+++ b/tools/firmware/hvmloader/acpi/dsdt.asl
@@ -399,7 +399,7 @@ DefinitionBlock ("DSDT.aml", "DSDT", 2, "Xen", "HVM", 0)
                 } 
 
                 Device(VGID) {
-                    Name(_HID, EisaID ("PNP0A06"))
+                    Name(_HID, EisaID ("XEN0000"))
                     Name(_UID, 0x00)
                     Name(_CID, "VM_Gen_Counter")
                     Name(_DDN, "VM_Gen_Counter")