From 33d873324ec37f0924eb0d0d78fedc9f71384be5 Mon Sep 17 00:00:00 2001
From: Patrick Rudolph <patrick.rudolph@9elements.com>
Date: Sun, 15 Feb 2026 13:52:53 +0100
Subject: [PATCH] mb/lenovo/*: Drop unused ACPI code

Drop useless ACPI code and make the codebase look more like the
T430 codebase. IASL doesn't remove empty scope blocks and it
causes binary differences in the produced DSDT.

TEST=TIMELESS build shows that T530 DSDT is now identical to the
     T430 DSDT.

Change-Id: Ie65668b98c5ee772a926a265d09ee20ab8d2e15e
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91284
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
---
 src/mainboard/lenovo/l520/acpi/ec.asl           | 4 ----
 src/mainboard/lenovo/t420/acpi/ec.asl           | 5 -----
 src/mainboard/lenovo/t420s/acpi/ec.asl          | 5 -----
 src/mainboard/lenovo/t430s/acpi/ec.asl          | 5 -----
 src/mainboard/lenovo/t520/acpi/ec.asl           | 5 -----
 src/mainboard/lenovo/t530/acpi/ec.asl           | 5 -----
 src/mainboard/lenovo/x1_carbon_gen1/acpi/ec.asl | 5 -----
 src/mainboard/lenovo/x201/acpi/ec.asl           | 5 -----
 src/mainboard/lenovo/x220/acpi/ec.asl           | 5 -----
 src/mainboard/lenovo/x230/acpi/ec.asl           | 5 -----
 10 files changed, 49 deletions(-)

diff --git a/src/mainboard/lenovo/l520/acpi/ec.asl b/src/mainboard/lenovo/l520/acpi/ec.asl
index 0e576b13d1..7e96ed79a0 100644
--- a/src/mainboard/lenovo/l520/acpi/ec.asl
+++ b/src/mainboard/lenovo/l520/acpi/ec.asl
@@ -1,7 +1,3 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
diff --git a/src/mainboard/lenovo/t420/acpi/ec.asl b/src/mainboard/lenovo/t420/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/t420/acpi/ec.asl
+++ b/src/mainboard/lenovo/t420/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/t420s/acpi/ec.asl b/src/mainboard/lenovo/t420s/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/t420s/acpi/ec.asl
+++ b/src/mainboard/lenovo/t420s/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/t430s/acpi/ec.asl b/src/mainboard/lenovo/t430s/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/t430s/acpi/ec.asl
+++ b/src/mainboard/lenovo/t430s/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/t520/acpi/ec.asl b/src/mainboard/lenovo/t520/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/t520/acpi/ec.asl
+++ b/src/mainboard/lenovo/t520/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/t530/acpi/ec.asl b/src/mainboard/lenovo/t530/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/t530/acpi/ec.asl
+++ b/src/mainboard/lenovo/t530/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/x1_carbon_gen1/acpi/ec.asl b/src/mainboard/lenovo/x1_carbon_gen1/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/x1_carbon_gen1/acpi/ec.asl
+++ b/src/mainboard/lenovo/x1_carbon_gen1/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/x201/acpi/ec.asl b/src/mainboard/lenovo/x201/acpi/ec.asl
index 1ce63054f8..6d2e71f8c0 100644
--- a/src/mainboard/lenovo/x201/acpi/ec.asl
+++ b/src/mainboard/lenovo/x201/acpi/ec.asl
@@ -5,10 +5,5 @@ Name(\TPSV, 90)
 Name(\FLVL, 0)
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #define H8_BAT_THRESHOLDS_BIT7
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_24.asl>
diff --git a/src/mainboard/lenovo/x220/acpi/ec.asl b/src/mainboard/lenovo/x220/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/x220/acpi/ec.asl
+++ b/src/mainboard/lenovo/x220/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>
diff --git a/src/mainboard/lenovo/x230/acpi/ec.asl b/src/mainboard/lenovo/x230/acpi/ec.asl
index 7971d027b2..987593e919 100644
--- a/src/mainboard/lenovo/x230/acpi/ec.asl
+++ b/src/mainboard/lenovo/x230/acpi/ec.asl
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <ec/lenovo/h8/acpi/ec.asl>
-
-Scope(\_SB.PCI0.LPCB.EC)
-{
-}
-
 #include <ec/lenovo/h8/acpi/thinkpad_bat_thresholds_b0.asl>