From 08af694944df56fe2c9b7d8cb4c5141eb54acd83 Mon Sep 17 00:00:00 2001
From: Adam Stephens <adam@valkor.net>
Date: Wed, 7 Feb 2024 09:39:52 -0500
Subject: [PATCH] fix: efi vars reading crashes

---
 packages/default.nix | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/default.nix b/packages/default.nix
index 3a0e389..837cb32 100644
--- a/packages/default.nix
+++ b/packages/default.nix
@@ -15,7 +15,21 @@ let
 
         src = sources.linux;
 
-        kernelPatches = args.kernelPatches or [ ];
+        kernelPatches = (args.kernelPatches or [ ]) ++ [
+          {
+            # fix resets when reading EFI vars
+            name = "qcom-shm-bridge-tz";
+            patch = (
+              pkgs.fetchurl {
+                url = "https://lore.kernel.org/lkml/20240205182810.58382-1-brgl@bgdev.pl/t.mbox.gz";
+                hash = "sha256-apwfO/bhVd8jzsHpOPFQXshzdwfg5Zcelf2vCDtlCtI=";
+              }
+            );
+            extraStructuredConfig = {
+              QCOM_TZMEM_MODE_SHMBRIDGE = lib.kernel.yes;
+            };
+          }
+        ];
         extraMeta.branch = lib.versions.majorMinor version;
       }
     );