mainboard: Drop optional and empty ACPI \_BFS methods

The ACPI specification, version 2.0 says:

    _BFS is an optional control method.

So, remove them. They have been copy-pasted around quite a bit, and do
not do anything useful. Plus, it's deprecated in later ACPI versions.

Change-Id: I9ef21f231dd6051d410ac3a0fe554908409c2fa7
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43443
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

31 files changed, 0 insertions, 489 deletions

diff --git a/src/mainboard/amd/gardenia/acpi/sleep.asl b/src/mainboard/amd/gardenia/acpi/sleep.asl
index 0b65ab19ef..89c6fa1575 100644
--- a/src/mainboard/amd/gardenia/acpi/sleep.asl
+++ b/src/mainboard/amd/gardenia/acpi/sleep.asl
@@ -33,22 +33,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/inagua/acpi/sleep.asl b/src/mainboard/amd/inagua/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/amd/inagua/acpi/sleep.asl
+++ b/src/mainboard/amd/inagua/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/mandolin/acpi/sleep.asl b/src/mainboard/amd/mandolin/acpi/sleep.asl
index 0b65ab19ef..89c6fa1575 100644
--- a/src/mainboard/amd/mandolin/acpi/sleep.asl
+++ b/src/mainboard/amd/mandolin/acpi/sleep.asl
@@ -33,22 +33,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/olivehill/acpi/sleep.asl b/src/mainboard/amd/olivehill/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/amd/olivehill/acpi/sleep.asl
+++ b/src/mainboard/amd/olivehill/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/padmelon/acpi/sleep.asl b/src/mainboard/amd/padmelon/acpi/sleep.asl
index 0b65ab19ef..89c6fa1575 100644
--- a/src/mainboard/amd/padmelon/acpi/sleep.asl
+++ b/src/mainboard/amd/padmelon/acpi/sleep.asl
@@ -33,22 +33,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/parmer/acpi/sleep.asl b/src/mainboard/amd/parmer/acpi/sleep.asl
index 5b78d603bd..dde9c37cd0 100644
--- a/src/mainboard/amd/parmer/acpi/sleep.asl
+++ b/src/mainboard/amd/parmer/acpi/sleep.asl
@@ -43,22 +43,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/persimmon/acpi/sleep.asl b/src/mainboard/amd/persimmon/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/amd/persimmon/acpi/sleep.asl
+++ b/src/mainboard/amd/persimmon/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/south_station/acpi/sleep.asl b/src/mainboard/amd/south_station/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/amd/south_station/acpi/sleep.asl
+++ b/src/mainboard/amd/south_station/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/thatcher/acpi/sleep.asl b/src/mainboard/amd/thatcher/acpi/sleep.asl
index b75cc4fd8e..af87ce6f89 100644
--- a/src/mainboard/amd/thatcher/acpi/sleep.asl
+++ b/src/mainboard/amd/thatcher/acpi/sleep.asl
@@ -43,22 +43,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/amd/union_station/acpi/sleep.asl b/src/mainboard/amd/union_station/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/amd/union_station/acpi/sleep.asl
+++ b/src/mainboard/amd/union_station/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/asrock/e350m1/acpi/sleep.asl b/src/mainboard/asrock/e350m1/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/asrock/e350m1/acpi/sleep.asl
+++ b/src/mainboard/asrock/e350m1/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/asrock/imb-a180/acpi/sleep.asl b/src/mainboard/asrock/imb-a180/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/asrock/imb-a180/acpi/sleep.asl
+++ b/src/mainboard/asrock/imb-a180/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/asus/am1i-a/acpi/sleep.asl b/src/mainboard/asus/am1i-a/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/asus/am1i-a/acpi/sleep.asl
+++ b/src/mainboard/asus/am1i-a/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/asus/f2a85-m/acpi/sleep.asl b/src/mainboard/asus/f2a85-m/acpi/sleep.asl
index d060576f89..e08accda50 100644
--- a/src/mainboard/asus/f2a85-m/acpi/sleep.asl
+++ b/src/mainboard/asus/f2a85-m/acpi/sleep.asl
@@ -43,22 +43,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/bap/ode_e20XX/acpi/sleep.asl b/src/mainboard/bap/ode_e20XX/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/bap/ode_e20XX/acpi/sleep.asl
+++ b/src/mainboard/bap/ode_e20XX/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/biostar/a68n_5200/acpi/sleep.asl b/src/mainboard/biostar/a68n_5200/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/biostar/a68n_5200/acpi/sleep.asl
+++ b/src/mainboard/biostar/a68n_5200/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/biostar/am1ml/acpi/sleep.asl b/src/mainboard/biostar/am1ml/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/biostar/am1ml/acpi/sleep.asl
+++ b/src/mainboard/biostar/am1ml/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/elmex/pcm205400/acpi/sleep.asl b/src/mainboard/elmex/pcm205400/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/elmex/pcm205400/acpi/sleep.asl
+++ b/src/mainboard/elmex/pcm205400/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/gizmosphere/gizmo/acpi/sleep.asl b/src/mainboard/gizmosphere/gizmo/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/gizmosphere/gizmo/acpi/sleep.asl
+++ b/src/mainboard/gizmosphere/gizmo/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/gizmosphere/gizmo2/acpi/sleep.asl b/src/mainboard/gizmosphere/gizmo2/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/gizmosphere/gizmo2/acpi/sleep.asl
+++ b/src/mainboard/gizmosphere/gizmo2/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/sleep.asl b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/sleep.asl
index efd1dc4255..d151e1d14d 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/sleep.asl
+++ b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/sleep.asl
@@ -36,23 +36,6 @@ Method (_PTS, 1)
 }
 
 /*
- *	\_BFS OEM Back From Sleep method
- *
- *	Entry:
- *		Arg0=The value of the sleeping state S1=1, S2=2
- *
- *	Exit:
- *		-none-
- */
-Method (\_BFS, 1)
-{
-	/* DBGO ("\\_BFS\n") */
-	/* DBGO ("From S") */
-	/* DBGO (Arg0) */
-	/* DBGO (" to S0\n") */
-}
-
-/*
  *  \_WAK System Wake method
  *
  *	Entry:
diff --git a/src/mainboard/google/zork/variants/baseboard/include/baseboard/acpi/sleep.asl b/src/mainboard/google/zork/variants/baseboard/include/baseboard/acpi/sleep.asl
index c8fb05fe1f..90cc0d8522 100644
--- a/src/mainboard/google/zork/variants/baseboard/include/baseboard/acpi/sleep.asl
+++ b/src/mainboard/google/zork/variants/baseboard/include/baseboard/acpi/sleep.asl
@@ -33,22 +33,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/hp/abm/acpi/sleep.asl b/src/mainboard/hp/abm/acpi/sleep.asl
index 2721bd88b0..47dd1460b1 100644
--- a/src/mainboard/hp/abm/acpi/sleep.asl
+++ b/src/mainboard/hp/abm/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl
index 5b78d603bd..dde9c37cd0 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/acpi/sleep.asl
@@ -43,22 +43,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/jetway/nf81-t56n-lf/acpi/sleep.asl b/src/mainboard/jetway/nf81-t56n-lf/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/jetway/nf81-t56n-lf/acpi/sleep.asl
+++ b/src/mainboard/jetway/nf81-t56n-lf/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/lenovo/g505s/acpi/sleep.asl b/src/mainboard/lenovo/g505s/acpi/sleep.asl
index 5b78d603bd..dde9c37cd0 100644
--- a/src/mainboard/lenovo/g505s/acpi/sleep.asl
+++ b/src/mainboard/lenovo/g505s/acpi/sleep.asl
@@ -43,22 +43,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/lippert/frontrunner-af/dsdt.asl b/src/mainboard/lippert/frontrunner-af/dsdt.asl
index 710a707613..2b7c11a871 100644
--- a/src/mainboard/lippert/frontrunner-af/dsdt.asl
+++ b/src/mainboard/lippert/frontrunner-af/dsdt.asl
@@ -761,18 +761,6 @@ DefinitionBlock (
 	} /* End Method(\_PTS) */
 
 	/*
-	*	\_BFS OEM Back From Sleep method
-	*
-	*	Entry:
-	*		Arg0=The value of the sleeping state S1=1, S2=2
-	*
-	*	Exit:
-	*		-none-
-	*/
-	Method(\_BFS, 1) {
-	}
-
-	/*
 	*  \_WAK System Wake method
 	*
 	*	Entry:
diff --git a/src/mainboard/lippert/toucan-af/dsdt.asl b/src/mainboard/lippert/toucan-af/dsdt.asl
index 17837c4209..5b54b8c90e 100644
--- a/src/mainboard/lippert/toucan-af/dsdt.asl
+++ b/src/mainboard/lippert/toucan-af/dsdt.asl
@@ -761,18 +761,6 @@ DefinitionBlock (
 	} /* End Method(\_PTS) */
 
 	/*
-	*	\_BFS OEM Back From Sleep method
-	*
-	*	Entry:
-	*		Arg0=The value of the sleeping state S1=1, S2=2
-	*
-	*	Exit:
-	*		-none-
-	*/
-	Method(\_BFS, 1) {
-	}
-
-	/*
 	*  \_WAK System Wake method
 	*
 	*	Entry:
diff --git a/src/mainboard/msi/ms7721/acpi/sleep.asl b/src/mainboard/msi/ms7721/acpi/sleep.asl
index d060576f89..e08accda50 100644
--- a/src/mainboard/msi/ms7721/acpi/sleep.asl
+++ b/src/mainboard/msi/ms7721/acpi/sleep.asl
@@ -43,22 +43,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/pcengines/apu1/acpi/sleep.asl b/src/mainboard/pcengines/apu1/acpi/sleep.asl
index 6fd128dc11..76b5f9edc6 100644
--- a/src/mainboard/pcengines/apu1/acpi/sleep.asl
+++ b/src/mainboard/pcengines/apu1/acpi/sleep.asl
@@ -46,22 +46,6 @@ Method(\_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry:
diff --git a/src/mainboard/pcengines/apu2/acpi/sleep.asl b/src/mainboard/pcengines/apu2/acpi/sleep.asl
index dbe9bd1a69..39fe610fa7 100644
--- a/src/mainboard/pcengines/apu2/acpi/sleep.asl
+++ b/src/mainboard/pcengines/apu2/acpi/sleep.asl
@@ -37,22 +37,6 @@ Method(_PTS, 1) {
 } /* End Method(\_PTS) */
 
 /*
-*	\_BFS OEM Back From Sleep method
-*
-*	Entry:
-*		Arg0=The value of the sleeping state S1=1, S2=2
-*
-*	Exit:
-*		-none-
-*/
-Method(\_BFS, 1) {
-	/* DBGO("\\_BFS\n") */
-	/* DBGO("From S") */
-	/* DBGO(Arg0) */
-	/* DBGO(" to S0\n") */
-}
-
-/*
 *  \_WAK System Wake method
 *
 *	Entry: