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-rw-r--r--config/coreboot/next/patches/0011-Disable-m2-hotplug-in-lenovo-t480s-devicetree.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/config/coreboot/next/patches/0011-Disable-m2-hotplug-in-lenovo-t480s-devicetree.patch b/config/coreboot/next/patches/0011-Disable-m2-hotplug-in-lenovo-t480s-devicetree.patch
new file mode 100644
index 00000000..00a844c1
--- /dev/null
+++ b/config/coreboot/next/patches/0011-Disable-m2-hotplug-in-lenovo-t480s-devicetree.patch
@@ -0,0 +1,30 @@
+From 44d0703b61156a19c6cbfb5cfe3f5d58e328daae Mon Sep 17 00:00:00 2001
+From: Leah Rowe <info@minifree.org>
+Date: Mon, 2 Dec 2024 11:16:43 +0000
+Subject: [PATCH 1/1] Disable m2 hotplug in lenovo t480s devicetree
+
+This fixes a bug where nvme disappears and gets renamed on
+s3 resume.
+
+Thanks go to Mate Kukri who suggested this.
+
+Signed-off-by: Leah Rowe <info@minifree.org>
+---
+ .../lenovo/sklkbl_thinkpad/variants/t480s/overridetree.cb | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/src/mainboard/lenovo/sklkbl_thinkpad/variants/t480s/overridetree.cb b/src/mainboard/lenovo/sklkbl_thinkpad/variants/t480s/overridetree.cb
+index 2cac8c4a75..9129d3a1b8 100644
+--- a/src/mainboard/lenovo/sklkbl_thinkpad/variants/t480s/overridetree.cb
++++ b/src/mainboard/lenovo/sklkbl_thinkpad/variants/t480s/overridetree.cb
+@@ -115,7 +115,6 @@ chip soc/intel/skylake
+ register "PcieRpClkSrcNumber[8]" = "5"
+ register "PcieRpAdvancedErrorReporting[8]" = "1"
+ register "PcieRpLtrEnable[8]" = "1"
+- register "PcieRpHotPlug[8]" = "1"
+ end
+ end
+ end
+--
+2.39.5
+