[coreboot-gerrit] Change in coreboot[master]: ACPI: Fix DSDT table's revision field

Elyes HAOUAS (Code Review) gerrit at coreboot.org
Tue Nov 13 14:29:09 CET 2018


Elyes HAOUAS has uploaded this change for review. ( https://review.coreboot.org/29626


Change subject: ACPI: Fix DSDT table's revision field
......................................................................

ACPI: Fix DSDT table's revision field

DSDT revision is =1 for ACPI v1 and =2 for greater ACPI version.
This will cause the AML interpreter to use 32-bit integers and math
if the version is 1, and 64-bit if the version is >=2.
Current spec version is 2 for ACPI 6.2-a.

Change-Id: I77372882d5c77b7ed52dcdd88028403df6f6fa7f
Signed-off-by: Elyes HAOUAS <ehaouas at noos.fr>
---
M src/mainboard/adi/rcc-dff/dsdt.asl
M src/mainboard/aopen/dxplplusu/dsdt.asl
M src/mainboard/apple/macbook21/dsdt.asl
M src/mainboard/apple/macbookair4_2/dsdt.asl
M src/mainboard/asrock/b75pro3-m/dsdt.asl
M src/mainboard/asrock/g41c-gs/dsdt.asl
M src/mainboard/asus/p5gc-mx/dsdt.asl
M src/mainboard/asus/p5qc/dsdt.asl
M src/mainboard/asus/p8h61-m_pro/dsdt.asl
M src/mainboard/compulab/intense_pc/dsdt.asl
M src/mainboard/esd/atom15/dsdt.asl
M src/mainboard/facebook/watson/dsdt.asl
M src/mainboard/foxconn/d41s/dsdt.asl
M src/mainboard/foxconn/g41s-k/dsdt.asl
M src/mainboard/getac/p470/dsdt.asl
M src/mainboard/gigabyte/ga-945gcm-s2l/dsdt.asl
M src/mainboard/gigabyte/ga-b75m-d3h/dsdt.asl
M src/mainboard/gigabyte/ga-b75m-d3v/dsdt.asl
M src/mainboard/gigabyte/ga-g41m-es2l/dsdt.asl
M src/mainboard/gigabyte/ga-h61m-s2pv/dsdt.asl
M src/mainboard/google/auron/dsdt.asl
M src/mainboard/google/beltino/dsdt.asl
M src/mainboard/google/butterfly/dsdt.asl
M src/mainboard/google/cyan/dsdt.asl
M src/mainboard/google/eve/dsdt.asl
M src/mainboard/google/fizz/dsdt.asl
M src/mainboard/google/glados/dsdt.asl
M src/mainboard/google/jecht/dsdt.asl
M src/mainboard/google/link/dsdt.asl
M src/mainboard/google/octopus/dsdt.asl
M src/mainboard/google/parrot/dsdt.asl
M src/mainboard/google/poppy/dsdt.asl
M src/mainboard/google/rambi/dsdt.asl
M src/mainboard/google/reef/dsdt.asl
M src/mainboard/google/sarien/dsdt.asl
M src/mainboard/google/slippy/dsdt.asl
M src/mainboard/google/stout/dsdt.asl
M src/mainboard/google/zoombini/dsdt.asl
M src/mainboard/hp/2570p/dsdt.asl
M src/mainboard/hp/2760p/dsdt.asl
M src/mainboard/hp/8460p/dsdt.asl
M src/mainboard/hp/8470p/dsdt.asl
M src/mainboard/hp/8770w/dsdt.asl
M src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl
M src/mainboard/hp/folio_9470m/dsdt.asl
M src/mainboard/hp/revolve_810_g1/dsdt.asl
M src/mainboard/ibase/mb899/dsdt.asl
M src/mainboard/intel/apollolake_rvp/dsdt.asl
M src/mainboard/intel/baskingridge/dsdt.asl
M src/mainboard/intel/bayleybay_fsp/dsdt.asl
M src/mainboard/intel/camelbackmountain_fsp/dsdt.asl
M src/mainboard/intel/cannonlake_rvp/dsdt.asl
M src/mainboard/intel/coffeelake_rvp/dsdt.asl
M src/mainboard/intel/cougar_canyon2/dsdt.asl
M src/mainboard/intel/d510mo/dsdt.asl
M src/mainboard/intel/d945gclf/dsdt.asl
M src/mainboard/intel/dcp847ske/dsdt.asl
M src/mainboard/intel/dg41wv/dsdt.asl
M src/mainboard/intel/dg43gt/dsdt.asl
M src/mainboard/intel/emeraldlake2/dsdt.asl
M src/mainboard/intel/galileo/dsdt.asl
M src/mainboard/intel/glkrvp/dsdt.asl
M src/mainboard/intel/harcuvar/dsdt.asl
M src/mainboard/intel/icelake_rvp/dsdt.asl
M src/mainboard/intel/kblrvp/dsdt.asl
M src/mainboard/intel/kunimitsu/dsdt.asl
M src/mainboard/intel/leafhill/dsdt.asl
M src/mainboard/intel/littleplains/dsdt.asl
M src/mainboard/intel/minnow3/dsdt.asl
M src/mainboard/intel/minnowmax/dsdt.asl
M src/mainboard/intel/mohonpeak/dsdt.asl
M src/mainboard/intel/saddlebrook/dsdt.asl
M src/mainboard/intel/stargo2/dsdt.asl
M src/mainboard/intel/strago/dsdt.asl
M src/mainboard/intel/wtm2/dsdt.asl
M src/mainboard/kontron/986lcd-m/dsdt.asl
M src/mainboard/kontron/ktqm77/dsdt.asl
M src/mainboard/lenovo/l520/dsdt.asl
M src/mainboard/lenovo/s230u/dsdt.asl
M src/mainboard/lenovo/t400/dsdt.asl
M src/mainboard/lenovo/t420/dsdt.asl
M src/mainboard/lenovo/t420s/dsdt.asl
M src/mainboard/lenovo/t430/dsdt.asl
M src/mainboard/lenovo/t430s/dsdt.asl
M src/mainboard/lenovo/t520/dsdt.asl
M src/mainboard/lenovo/t530/dsdt.asl
M src/mainboard/lenovo/t60/dsdt.asl
M src/mainboard/lenovo/x131e/dsdt.asl
M src/mainboard/lenovo/x1_carbon_gen1/dsdt.asl
M src/mainboard/lenovo/x200/dsdt.asl
M src/mainboard/lenovo/x201/dsdt.asl
M src/mainboard/lenovo/x220/dsdt.asl
M src/mainboard/lenovo/x230/dsdt.asl
M src/mainboard/lenovo/x60/dsdt.asl
M src/mainboard/lenovo/z61t/dsdt.asl
M src/mainboard/ocp/monolake/dsdt.asl
M src/mainboard/ocp/wedge100s/dsdt.asl
M src/mainboard/opencellular/rotundu/dsdt.asl
M src/mainboard/packardbell/ms2290/dsdt.asl
M src/mainboard/purism/librem_bdw/dsdt.asl
M src/mainboard/purism/librem_skl/dsdt.asl
M src/mainboard/roda/rk886ex/dsdt.asl
M src/mainboard/roda/rk9/dsdt.asl
M src/mainboard/roda/rv11/dsdt.asl
M src/mainboard/samsung/lumpy/dsdt.asl
M src/mainboard/samsung/stumpy/dsdt.asl
M src/mainboard/sapphire/pureplatinumh61/dsdt.asl
M src/mainboard/scaleway/tagada/dsdt.asl
M src/mainboard/siemens/mc_apl1/dsdt.asl
M src/mainboard/siemens/mc_bdx1/dsdt.asl
M src/mainboard/siemens/mc_tcu3/dsdt.asl
M util/autoport/main.go
112 files changed, 112 insertions(+), 112 deletions(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/29626/1

diff --git a/src/mainboard/adi/rcc-dff/dsdt.asl b/src/mainboard/adi/rcc-dff/dsdt.asl
index ec56e26..eb661c2 100644
--- a/src/mainboard/adi/rcc-dff/dsdt.asl
+++ b/src/mainboard/adi/rcc-dff/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/aopen/dxplplusu/dsdt.asl b/src/mainboard/aopen/dxplplusu/dsdt.asl
index 0fec68c..908a9f5 100644
--- a/src/mainboard/aopen/dxplplusu/dsdt.asl
+++ b/src/mainboard/aopen/dxplplusu/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x04,		// DSDT revision: ACPI v4.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20111103	// OEM revision
diff --git a/src/mainboard/apple/macbook21/dsdt.asl b/src/mainboard/apple/macbook21/dsdt.asl
index 2405c3e..76b95ac 100644
--- a/src/mainboard/apple/macbook21/dsdt.asl
+++ b/src/mainboard/apple/macbook21/dsdt.asl
@@ -21,7 +21,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/apple/macbookair4_2/dsdt.asl b/src/mainboard/apple/macbookair4_2/dsdt.asl
index 8e6fd28..ac2d1bd 100644
--- a/src/mainboard/apple/macbookair4_2/dsdt.asl
+++ b/src/mainboard/apple/macbookair4_2/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/asrock/b75pro3-m/dsdt.asl b/src/mainboard/asrock/b75pro3-m/dsdt.asl
index f01afa2..44141c3 100644
--- a/src/mainboard/asrock/b75pro3-m/dsdt.asl
+++ b/src/mainboard/asrock/b75pro3-m/dsdt.asl
@@ -20,7 +20,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/asrock/g41c-gs/dsdt.asl b/src/mainboard/asrock/g41c-gs/dsdt.asl
index e11eb39..8c99025 100644
--- a/src/mainboard/asrock/g41c-gs/dsdt.asl
+++ b/src/mainboard/asrock/g41c-gs/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/asus/p5gc-mx/dsdt.asl b/src/mainboard/asus/p5gc-mx/dsdt.asl
index 5eb55ea..61f0cea 100644
--- a/src/mainboard/asus/p5gc-mx/dsdt.asl
+++ b/src/mainboard/asus/p5gc-mx/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/asus/p5qc/dsdt.asl b/src/mainboard/asus/p5qc/dsdt.asl
index 4888b9c..9399208 100644
--- a/src/mainboard/asus/p5qc/dsdt.asl
+++ b/src/mainboard/asus/p5qc/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x00000001	// OEM revision
diff --git a/src/mainboard/asus/p8h61-m_pro/dsdt.asl b/src/mainboard/asus/p8h61-m_pro/dsdt.asl
index d007c2f..ab7409c 100644
--- a/src/mainboard/asus/p8h61-m_pro/dsdt.asl
+++ b/src/mainboard/asus/p8h61-m_pro/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/compulab/intense_pc/dsdt.asl b/src/mainboard/compulab/intense_pc/dsdt.asl
index a3fa256..85b3e09 100644
--- a/src/mainboard/compulab/intense_pc/dsdt.asl
+++ b/src/mainboard/compulab/intense_pc/dsdt.asl
@@ -20,7 +20,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/esd/atom15/dsdt.asl b/src/mainboard/esd/atom15/dsdt.asl
index 63b9d03..9fad919 100644
--- a/src/mainboard/esd/atom15/dsdt.asl
+++ b/src/mainboard/esd/atom15/dsdt.asl
@@ -25,7 +25,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/facebook/watson/dsdt.asl b/src/mainboard/facebook/watson/dsdt.asl
index 8861f32..88dff41 100644
--- a/src/mainboard/facebook/watson/dsdt.asl
+++ b/src/mainboard/facebook/watson/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/foxconn/d41s/dsdt.asl b/src/mainboard/foxconn/d41s/dsdt.asl
index 621b87d..c89eb75 100644
--- a/src/mainboard/foxconn/d41s/dsdt.asl
+++ b/src/mainboard/foxconn/d41s/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/foxconn/g41s-k/dsdt.asl b/src/mainboard/foxconn/g41s-k/dsdt.asl
index e11eb39..8c99025 100644
--- a/src/mainboard/foxconn/g41s-k/dsdt.asl
+++ b/src/mainboard/foxconn/g41s-k/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/getac/p470/dsdt.asl b/src/mainboard/getac/p470/dsdt.asl
index 4b3ae14..33eb3cc 100644
--- a/src/mainboard/getac/p470/dsdt.asl
+++ b/src/mainboard/getac/p470/dsdt.asl
@@ -20,7 +20,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/dsdt.asl b/src/mainboard/gigabyte/ga-945gcm-s2l/dsdt.asl
index cbc1573..79f953d 100644
--- a/src/mainboard/gigabyte/ga-945gcm-s2l/dsdt.asl
+++ b/src/mainboard/gigabyte/ga-945gcm-s2l/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/gigabyte/ga-b75m-d3h/dsdt.asl b/src/mainboard/gigabyte/ga-b75m-d3h/dsdt.asl
index 665d81b..8020bde 100644
--- a/src/mainboard/gigabyte/ga-b75m-d3h/dsdt.asl
+++ b/src/mainboard/gigabyte/ga-b75m-d3h/dsdt.asl
@@ -14,7 +14,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/gigabyte/ga-b75m-d3v/dsdt.asl b/src/mainboard/gigabyte/ga-b75m-d3v/dsdt.asl
index 665d81b..8020bde 100644
--- a/src/mainboard/gigabyte/ga-b75m-d3v/dsdt.asl
+++ b/src/mainboard/gigabyte/ga-b75m-d3v/dsdt.asl
@@ -14,7 +14,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/dsdt.asl b/src/mainboard/gigabyte/ga-g41m-es2l/dsdt.asl
index e11eb39..8c99025 100644
--- a/src/mainboard/gigabyte/ga-g41m-es2l/dsdt.asl
+++ b/src/mainboard/gigabyte/ga-g41m-es2l/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/gigabyte/ga-h61m-s2pv/dsdt.asl b/src/mainboard/gigabyte/ga-h61m-s2pv/dsdt.asl
index 71d238d..3d14968 100644
--- a/src/mainboard/gigabyte/ga-h61m-s2pv/dsdt.asl
+++ b/src/mainboard/gigabyte/ga-h61m-s2pv/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/google/auron/dsdt.asl b/src/mainboard/google/auron/dsdt.asl
index 445d927d..8c9a020 100644
--- a/src/mainboard/google/auron/dsdt.asl
+++ b/src/mainboard/google/auron/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/beltino/dsdt.asl b/src/mainboard/google/beltino/dsdt.asl
index 268cd9d..e356ee4 100644
--- a/src/mainboard/google/beltino/dsdt.asl
+++ b/src/mainboard/google/beltino/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/butterfly/dsdt.asl b/src/mainboard/google/butterfly/dsdt.asl
index b4fd6cf..08aeda9 100644
--- a/src/mainboard/google/butterfly/dsdt.asl
+++ b/src/mainboard/google/butterfly/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/cyan/dsdt.asl b/src/mainboard/google/cyan/dsdt.asl
index a49b1a9..3e0f888 100644
--- a/src/mainboard/google/cyan/dsdt.asl
+++ b/src/mainboard/google/cyan/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		/* DSDT revision: ACPI v5.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",	/* OEM table id */
 	0x20110725	/* OEM revision */
diff --git a/src/mainboard/google/eve/dsdt.asl b/src/mainboard/google/eve/dsdt.asl
index 9382e35..13873d5 100644
--- a/src/mainboard/google/eve/dsdt.asl
+++ b/src/mainboard/google/eve/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/fizz/dsdt.asl b/src/mainboard/google/fizz/dsdt.asl
index 8a35197..367b0f8 100644
--- a/src/mainboard/google/fizz/dsdt.asl
+++ b/src/mainboard/google/fizz/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/glados/dsdt.asl b/src/mainboard/google/glados/dsdt.asl
index b5a37c6..0b4f9dd 100644
--- a/src/mainboard/google/glados/dsdt.asl
+++ b/src/mainboard/google/glados/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/jecht/dsdt.asl b/src/mainboard/google/jecht/dsdt.asl
index 8157a84..1108f29 100644
--- a/src/mainboard/google/jecht/dsdt.asl
+++ b/src/mainboard/google/jecht/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/link/dsdt.asl b/src/mainboard/google/link/dsdt.asl
index 5af0793..7056c2b 100644
--- a/src/mainboard/google/link/dsdt.asl
+++ b/src/mainboard/google/link/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/octopus/dsdt.asl b/src/mainboard/google/octopus/dsdt.asl
index 63b93e6..aadcd43 100644
--- a/src/mainboard/google/octopus/dsdt.asl
+++ b/src/mainboard/google/octopus/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/parrot/dsdt.asl b/src/mainboard/google/parrot/dsdt.asl
index ebc86ca..7b9847e 100644
--- a/src/mainboard/google/parrot/dsdt.asl
+++ b/src/mainboard/google/parrot/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/poppy/dsdt.asl b/src/mainboard/google/poppy/dsdt.asl
index 5b776c9..3d00524 100644
--- a/src/mainboard/google/poppy/dsdt.asl
+++ b/src/mainboard/google/poppy/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/rambi/dsdt.asl b/src/mainboard/google/rambi/dsdt.asl
index a37756f..dfc7ce8 100644
--- a/src/mainboard/google/rambi/dsdt.asl
+++ b/src/mainboard/google/rambi/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/reef/dsdt.asl b/src/mainboard/google/reef/dsdt.asl
index dc63436..f97476b 100644
--- a/src/mainboard/google/reef/dsdt.asl
+++ b/src/mainboard/google/reef/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/sarien/dsdt.asl b/src/mainboard/google/sarien/dsdt.asl
index 18fedd5..34484c0 100644
--- a/src/mainboard/google/sarien/dsdt.asl
+++ b/src/mainboard/google/sarien/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		/* DSDT revision: ACPI v5.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",	/* OEM table id */
 	0x20110725	/* OEM revision */
diff --git a/src/mainboard/google/slippy/dsdt.asl b/src/mainboard/google/slippy/dsdt.asl
index 076039d..6f5f207 100644
--- a/src/mainboard/google/slippy/dsdt.asl
+++ b/src/mainboard/google/slippy/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/google/stout/dsdt.asl b/src/mainboard/google/stout/dsdt.asl
index 60ea646..023b920 100644
--- a/src/mainboard/google/stout/dsdt.asl
+++ b/src/mainboard/google/stout/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,       // DSDT revision: ACPI v2.0
+	0x02,       // DSDT revision: ACPI v2.0 and up
 	"COREv4",   // OEM id
 	"COREBOOT", // OEM table id
 	0x20110725  // OEM revision
diff --git a/src/mainboard/google/zoombini/dsdt.asl b/src/mainboard/google/zoombini/dsdt.asl
index 3140990..4715196 100644
--- a/src/mainboard/google/zoombini/dsdt.asl
+++ b/src/mainboard/google/zoombini/dsdt.asl
@@ -21,7 +21,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/hp/2570p/dsdt.asl b/src/mainboard/hp/2570p/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/2570p/dsdt.asl
+++ b/src/mainboard/hp/2570p/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/2760p/dsdt.asl b/src/mainboard/hp/2760p/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/2760p/dsdt.asl
+++ b/src/mainboard/hp/2760p/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/8460p/dsdt.asl b/src/mainboard/hp/8460p/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/8460p/dsdt.asl
+++ b/src/mainboard/hp/8460p/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/8470p/dsdt.asl b/src/mainboard/hp/8470p/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/8470p/dsdt.asl
+++ b/src/mainboard/hp/8470p/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/8770w/dsdt.asl b/src/mainboard/hp/8770w/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/8770w/dsdt.asl
+++ b/src/mainboard/hp/8770w/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl b/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl
index 555028c..2341fd9 100644
--- a/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl
+++ b/src/mainboard/hp/compaq_8200_elite_sff/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/folio_9470m/dsdt.asl b/src/mainboard/hp/folio_9470m/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/folio_9470m/dsdt.asl
+++ b/src/mainboard/hp/folio_9470m/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/hp/revolve_810_g1/dsdt.asl b/src/mainboard/hp/revolve_810_g1/dsdt.asl
index 51934c7..987238d 100644
--- a/src/mainboard/hp/revolve_810_g1/dsdt.asl
+++ b/src/mainboard/hp/revolve_810_g1/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/ibase/mb899/dsdt.asl b/src/mainboard/ibase/mb899/dsdt.asl
index 6844bbd..e26cfa0 100644
--- a/src/mainboard/ibase/mb899/dsdt.asl
+++ b/src/mainboard/ibase/mb899/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv2",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/intel/apollolake_rvp/dsdt.asl b/src/mainboard/intel/apollolake_rvp/dsdt.asl
index 53a7b0f..260cfe3 100644
--- a/src/mainboard/intel/apollolake_rvp/dsdt.asl
+++ b/src/mainboard/intel/apollolake_rvp/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		/* DSDT revision: ACPI v2.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",	/* OEM table id */
 	0x20110725	/* OEM revision */
diff --git a/src/mainboard/intel/baskingridge/dsdt.asl b/src/mainboard/intel/baskingridge/dsdt.asl
index 1871c3a..88c3280 100644
--- a/src/mainboard/intel/baskingridge/dsdt.asl
+++ b/src/mainboard/intel/baskingridge/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/bayleybay_fsp/dsdt.asl b/src/mainboard/intel/bayleybay_fsp/dsdt.asl
index 63b9d03..9fad919 100644
--- a/src/mainboard/intel/bayleybay_fsp/dsdt.asl
+++ b/src/mainboard/intel/bayleybay_fsp/dsdt.asl
@@ -25,7 +25,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/camelbackmountain_fsp/dsdt.asl b/src/mainboard/intel/camelbackmountain_fsp/dsdt.asl
index 9db2693..71b6353 100644
--- a/src/mainboard/intel/camelbackmountain_fsp/dsdt.asl
+++ b/src/mainboard/intel/camelbackmountain_fsp/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/cannonlake_rvp/dsdt.asl b/src/mainboard/intel/cannonlake_rvp/dsdt.asl
index 5c4b31c..fb3b697 100644
--- a/src/mainboard/intel/cannonlake_rvp/dsdt.asl
+++ b/src/mainboard/intel/cannonlake_rvp/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/coffeelake_rvp/dsdt.asl b/src/mainboard/intel/coffeelake_rvp/dsdt.asl
index 37a1725..7f2c6d6 100644
--- a/src/mainboard/intel/coffeelake_rvp/dsdt.asl
+++ b/src/mainboard/intel/coffeelake_rvp/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/cougar_canyon2/dsdt.asl b/src/mainboard/intel/cougar_canyon2/dsdt.asl
index d167e4e..f210e8e 100644
--- a/src/mainboard/intel/cougar_canyon2/dsdt.asl
+++ b/src/mainboard/intel/cougar_canyon2/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/d510mo/dsdt.asl b/src/mainboard/intel/d510mo/dsdt.asl
index 621b87d..c89eb75 100644
--- a/src/mainboard/intel/d510mo/dsdt.asl
+++ b/src/mainboard/intel/d510mo/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/intel/d945gclf/dsdt.asl b/src/mainboard/intel/d945gclf/dsdt.asl
index cbc1573..79f953d 100644
--- a/src/mainboard/intel/d945gclf/dsdt.asl
+++ b/src/mainboard/intel/d945gclf/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/intel/dcp847ske/dsdt.asl b/src/mainboard/intel/dcp847ske/dsdt.asl
index 71b4d89..d5ec147 100644
--- a/src/mainboard/intel/dcp847ske/dsdt.asl
+++ b/src/mainboard/intel/dcp847ske/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/intel/dg41wv/dsdt.asl b/src/mainboard/intel/dg41wv/dsdt.asl
index e11eb39..8c99025 100644
--- a/src/mainboard/intel/dg41wv/dsdt.asl
+++ b/src/mainboard/intel/dg41wv/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/intel/dg43gt/dsdt.asl b/src/mainboard/intel/dg43gt/dsdt.asl
index 3315c97..262cb23 100644
--- a/src/mainboard/intel/dg43gt/dsdt.asl
+++ b/src/mainboard/intel/dg43gt/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/intel/emeraldlake2/dsdt.asl b/src/mainboard/intel/emeraldlake2/dsdt.asl
index 26c41c4..4e78491 100644
--- a/src/mainboard/intel/emeraldlake2/dsdt.asl
+++ b/src/mainboard/intel/emeraldlake2/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/galileo/dsdt.asl b/src/mainboard/intel/galileo/dsdt.asl
index 881c1b9..da7ac14 100644
--- a/src/mainboard/intel/galileo/dsdt.asl
+++ b/src/mainboard/intel/galileo/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"Intel",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20160220	// OEM revision
diff --git a/src/mainboard/intel/glkrvp/dsdt.asl b/src/mainboard/intel/glkrvp/dsdt.asl
index 3a80f6c..8e9722b 100644
--- a/src/mainboard/intel/glkrvp/dsdt.asl
+++ b/src/mainboard/intel/glkrvp/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/harcuvar/dsdt.asl b/src/mainboard/intel/harcuvar/dsdt.asl
index 4e66d17..5edbb6c 100644
--- a/src/mainboard/intel/harcuvar/dsdt.asl
+++ b/src/mainboard/intel/harcuvar/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/icelake_rvp/dsdt.asl b/src/mainboard/intel/icelake_rvp/dsdt.asl
index 7951501..eb5c5ab 100644
--- a/src/mainboard/intel/icelake_rvp/dsdt.asl
+++ b/src/mainboard/intel/icelake_rvp/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/kblrvp/dsdt.asl b/src/mainboard/intel/kblrvp/dsdt.asl
index 9531219..903198d 100644
--- a/src/mainboard/intel/kblrvp/dsdt.asl
+++ b/src/mainboard/intel/kblrvp/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/kunimitsu/dsdt.asl b/src/mainboard/intel/kunimitsu/dsdt.asl
index b5a37c6..0b4f9dd 100644
--- a/src/mainboard/intel/kunimitsu/dsdt.asl
+++ b/src/mainboard/intel/kunimitsu/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/leafhill/dsdt.asl b/src/mainboard/intel/leafhill/dsdt.asl
index 004523a..d16a289 100644
--- a/src/mainboard/intel/leafhill/dsdt.asl
+++ b/src/mainboard/intel/leafhill/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/littleplains/dsdt.asl b/src/mainboard/intel/littleplains/dsdt.asl
index ec56e26..eb661c2 100644
--- a/src/mainboard/intel/littleplains/dsdt.asl
+++ b/src/mainboard/intel/littleplains/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/minnow3/dsdt.asl b/src/mainboard/intel/minnow3/dsdt.asl
index 004523a..d16a289 100644
--- a/src/mainboard/intel/minnow3/dsdt.asl
+++ b/src/mainboard/intel/minnow3/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/minnowmax/dsdt.asl b/src/mainboard/intel/minnowmax/dsdt.asl
index 63b9d03..9fad919 100644
--- a/src/mainboard/intel/minnowmax/dsdt.asl
+++ b/src/mainboard/intel/minnowmax/dsdt.asl
@@ -25,7 +25,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/mohonpeak/dsdt.asl b/src/mainboard/intel/mohonpeak/dsdt.asl
index ec56e26..eb661c2 100644
--- a/src/mainboard/intel/mohonpeak/dsdt.asl
+++ b/src/mainboard/intel/mohonpeak/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/saddlebrook/dsdt.asl b/src/mainboard/intel/saddlebrook/dsdt.asl
index 45d9a85..59ebc17 100644
--- a/src/mainboard/intel/saddlebrook/dsdt.asl
+++ b/src/mainboard/intel/saddlebrook/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/stargo2/dsdt.asl b/src/mainboard/intel/stargo2/dsdt.asl
index b4ae0ec..cd243d1 100644
--- a/src/mainboard/intel/stargo2/dsdt.asl
+++ b/src/mainboard/intel/stargo2/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/intel/strago/dsdt.asl b/src/mainboard/intel/strago/dsdt.asl
index 29ea7d6..7f78e7b 100644
--- a/src/mainboard/intel/strago/dsdt.asl
+++ b/src/mainboard/intel/strago/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		/* DSDT revision: ACPI v5.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",	/* OEM table id */
 	0x20110725	/* OEM revision */
diff --git a/src/mainboard/intel/wtm2/dsdt.asl b/src/mainboard/intel/wtm2/dsdt.asl
index 410f6d2..fac7b0e 100644
--- a/src/mainboard/intel/wtm2/dsdt.asl
+++ b/src/mainboard/intel/wtm2/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/kontron/986lcd-m/dsdt.asl b/src/mainboard/kontron/986lcd-m/dsdt.asl
index 35264bd..0ddedd5 100644
--- a/src/mainboard/kontron/986lcd-m/dsdt.asl
+++ b/src/mainboard/kontron/986lcd-m/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/kontron/ktqm77/dsdt.asl b/src/mainboard/kontron/ktqm77/dsdt.asl
index 0432f77..794f8d5 100644
--- a/src/mainboard/kontron/ktqm77/dsdt.asl
+++ b/src/mainboard/kontron/ktqm77/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/l520/dsdt.asl b/src/mainboard/lenovo/l520/dsdt.asl
index 42a61fb..7648d05 100644
--- a/src/mainboard/lenovo/l520/dsdt.asl
+++ b/src/mainboard/lenovo/l520/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/lenovo/s230u/dsdt.asl b/src/mainboard/lenovo/s230u/dsdt.asl
index 71f3ef7..305a6c3 100644
--- a/src/mainboard/lenovo/s230u/dsdt.asl
+++ b/src/mainboard/lenovo/s230u/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/lenovo/t400/dsdt.asl b/src/mainboard/lenovo/t400/dsdt.asl
index 6ba4774..9feaefc 100644
--- a/src/mainboard/lenovo/t400/dsdt.asl
+++ b/src/mainboard/lenovo/t400/dsdt.asl
@@ -23,7 +23,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/lenovo/t420/dsdt.asl b/src/mainboard/lenovo/t420/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/t420/dsdt.asl
+++ b/src/mainboard/lenovo/t420/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/t420s/dsdt.asl b/src/mainboard/lenovo/t420s/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/t420s/dsdt.asl
+++ b/src/mainboard/lenovo/t420s/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/t430/dsdt.asl b/src/mainboard/lenovo/t430/dsdt.asl
index dff8dcd..6161393 100644
--- a/src/mainboard/lenovo/t430/dsdt.asl
+++ b/src/mainboard/lenovo/t430/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/lenovo/t430s/dsdt.asl b/src/mainboard/lenovo/t430s/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/t430s/dsdt.asl
+++ b/src/mainboard/lenovo/t430s/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/t520/dsdt.asl b/src/mainboard/lenovo/t520/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/t520/dsdt.asl
+++ b/src/mainboard/lenovo/t520/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/t530/dsdt.asl b/src/mainboard/lenovo/t530/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/t530/dsdt.asl
+++ b/src/mainboard/lenovo/t530/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/t60/dsdt.asl b/src/mainboard/lenovo/t60/dsdt.asl
index a13ac3c..ef69baa 100644
--- a/src/mainboard/lenovo/t60/dsdt.asl
+++ b/src/mainboard/lenovo/t60/dsdt.asl
@@ -22,7 +22,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/lenovo/x131e/dsdt.asl b/src/mainboard/lenovo/x131e/dsdt.asl
index cd1af34..8c907e7 100644
--- a/src/mainboard/lenovo/x131e/dsdt.asl
+++ b/src/mainboard/lenovo/x131e/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/lenovo/x1_carbon_gen1/dsdt.asl b/src/mainboard/lenovo/x1_carbon_gen1/dsdt.asl
index bb576f5..4901fda 100644
--- a/src/mainboard/lenovo/x1_carbon_gen1/dsdt.asl
+++ b/src/mainboard/lenovo/x1_carbon_gen1/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/lenovo/x200/dsdt.asl b/src/mainboard/lenovo/x200/dsdt.asl
index 5452fe3..cbeeef2 100644
--- a/src/mainboard/lenovo/x200/dsdt.asl
+++ b/src/mainboard/lenovo/x200/dsdt.asl
@@ -23,7 +23,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/lenovo/x201/dsdt.asl b/src/mainboard/lenovo/x201/dsdt.asl
index b59c215..643c803 100644
--- a/src/mainboard/lenovo/x201/dsdt.asl
+++ b/src/mainboard/lenovo/x201/dsdt.asl
@@ -23,7 +23,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		/* DSDT revision: ACPI v3.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",     /* OEM table id */
 	0x20130325	/* OEM revision */
diff --git a/src/mainboard/lenovo/x220/dsdt.asl b/src/mainboard/lenovo/x220/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/x220/dsdt.asl
+++ b/src/mainboard/lenovo/x220/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/x230/dsdt.asl b/src/mainboard/lenovo/x230/dsdt.asl
index 7db8344..d554ed9 100644
--- a/src/mainboard/lenovo/x230/dsdt.asl
+++ b/src/mainboard/lenovo/x230/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/lenovo/x60/dsdt.asl b/src/mainboard/lenovo/x60/dsdt.asl
index 3222303..d0170af 100644
--- a/src/mainboard/lenovo/x60/dsdt.asl
+++ b/src/mainboard/lenovo/x60/dsdt.asl
@@ -24,7 +24,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/lenovo/z61t/dsdt.asl b/src/mainboard/lenovo/z61t/dsdt.asl
index a13ac3c..ef69baa 100644
--- a/src/mainboard/lenovo/z61t/dsdt.asl
+++ b/src/mainboard/lenovo/z61t/dsdt.asl
@@ -22,7 +22,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/ocp/monolake/dsdt.asl b/src/mainboard/ocp/monolake/dsdt.asl
index 9db2693..71b6353 100644
--- a/src/mainboard/ocp/monolake/dsdt.asl
+++ b/src/mainboard/ocp/monolake/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/ocp/wedge100s/dsdt.asl b/src/mainboard/ocp/wedge100s/dsdt.asl
index 9db2693..71b6353 100644
--- a/src/mainboard/ocp/wedge100s/dsdt.asl
+++ b/src/mainboard/ocp/wedge100s/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/opencellular/rotundu/dsdt.asl b/src/mainboard/opencellular/rotundu/dsdt.asl
index 63b9d03..9fad919 100644
--- a/src/mainboard/opencellular/rotundu/dsdt.asl
+++ b/src/mainboard/opencellular/rotundu/dsdt.asl
@@ -25,7 +25,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/packardbell/ms2290/dsdt.asl b/src/mainboard/packardbell/ms2290/dsdt.asl
index 338ecca..69778e2 100644
--- a/src/mainboard/packardbell/ms2290/dsdt.asl
+++ b/src/mainboard/packardbell/ms2290/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		/* DSDT revision: ACPI v3.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",	/* OEM table id */
 	0x20140108	/* OEM revision */
diff --git a/src/mainboard/purism/librem_bdw/dsdt.asl b/src/mainboard/purism/librem_bdw/dsdt.asl
index 955857a..eba4de4 100644
--- a/src/mainboard/purism/librem_bdw/dsdt.asl
+++ b/src/mainboard/purism/librem_bdw/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		/* DSDT revision: ACPI v5.0 */
+	0x02,		/* DSDT revision: ACPI v2.0 and up */
 	"COREv4",	/* OEM id */
 	"COREBOOT",	/* OEM table id */
 	0x20160115	/* OEM revision */
diff --git a/src/mainboard/purism/librem_skl/dsdt.asl b/src/mainboard/purism/librem_skl/dsdt.asl
index b1f6a54..1284be5 100644
--- a/src/mainboard/purism/librem_skl/dsdt.asl
+++ b/src/mainboard/purism/librem_skl/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/roda/rk886ex/dsdt.asl b/src/mainboard/roda/rk886ex/dsdt.asl
index efb2f92..0e9bf07 100644
--- a/src/mainboard/roda/rk886ex/dsdt.asl
+++ b/src/mainboard/roda/rk886ex/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/roda/rk9/dsdt.asl b/src/mainboard/roda/rk9/dsdt.asl
index 5c5ca2f..56379c7 100644
--- a/src/mainboard/roda/rk9/dsdt.asl
+++ b/src/mainboard/roda/rk9/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20090419	// OEM revision
diff --git a/src/mainboard/roda/rv11/dsdt.asl b/src/mainboard/roda/rv11/dsdt.asl
index ff83795..7a106a9 100644
--- a/src/mainboard/roda/rv11/dsdt.asl
+++ b/src/mainboard/roda/rv11/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/samsung/lumpy/dsdt.asl b/src/mainboard/samsung/lumpy/dsdt.asl
index 3ca8bf2..3b5e049 100644
--- a/src/mainboard/samsung/lumpy/dsdt.asl
+++ b/src/mainboard/samsung/lumpy/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/samsung/stumpy/dsdt.asl b/src/mainboard/samsung/stumpy/dsdt.asl
index c1ea0e6..916e718 100644
--- a/src/mainboard/samsung/stumpy/dsdt.asl
+++ b/src/mainboard/samsung/stumpy/dsdt.asl
@@ -17,7 +17,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/sapphire/pureplatinumh61/dsdt.asl b/src/mainboard/sapphire/pureplatinumh61/dsdt.asl
index 6247fe3..9635908 100644
--- a/src/mainboard/sapphire/pureplatinumh61/dsdt.asl
+++ b/src/mainboard/sapphire/pureplatinumh61/dsdt.asl
@@ -20,7 +20,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision
diff --git a/src/mainboard/scaleway/tagada/dsdt.asl b/src/mainboard/scaleway/tagada/dsdt.asl
index 4e66d17..5edbb6c 100644
--- a/src/mainboard/scaleway/tagada/dsdt.asl
+++ b/src/mainboard/scaleway/tagada/dsdt.asl
@@ -19,7 +19,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/siemens/mc_apl1/dsdt.asl b/src/mainboard/siemens/mc_apl1/dsdt.asl
index e7f1ade..b26d135 100644
--- a/src/mainboard/siemens/mc_apl1/dsdt.asl
+++ b/src/mainboard/siemens/mc_apl1/dsdt.asl
@@ -16,7 +16,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x05,		// DSDT revision: ACPI v5.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/siemens/mc_bdx1/dsdt.asl b/src/mainboard/siemens/mc_bdx1/dsdt.asl
index 9db2693..71b6353 100644
--- a/src/mainboard/siemens/mc_bdx1/dsdt.asl
+++ b/src/mainboard/siemens/mc_bdx1/dsdt.asl
@@ -18,7 +18,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/src/mainboard/siemens/mc_tcu3/dsdt.asl b/src/mainboard/siemens/mc_tcu3/dsdt.asl
index 63b9d03..9fad919 100644
--- a/src/mainboard/siemens/mc_tcu3/dsdt.asl
+++ b/src/mainboard/siemens/mc_tcu3/dsdt.asl
@@ -25,7 +25,7 @@
 DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x02,		// DSDT revision: ACPI v2.0
+	0x02,		// DSDT revision: ACPI v2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20110725	// OEM revision
diff --git a/util/autoport/main.go b/util/autoport/main.go
index ed56a55..0892b5e 100644
--- a/util/autoport/main.go
+++ b/util/autoport/main.go
@@ -851,7 +851,7 @@
 		`DefinitionBlock(
 	"dsdt.aml",
 	"DSDT",
-	0x03,		// DSDT revision: ACPI v3.0
+	0x02,		// DSDT revision: ACPI 2.0 and up
 	"COREv4",	// OEM id
 	"COREBOOT",	// OEM table id
 	0x20141018	// OEM revision

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I77372882d5c77b7ed52dcdd88028403df6f6fa7f
Gerrit-Change-Number: 29626
Gerrit-PatchSet: 1
Gerrit-Owner: Elyes HAOUAS <ehaouas at noos.fr>
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