starfive visionfive2: Fix kernel on nixos-unstable

starfive/visionfive/v2/linux-6.3.nix

@@ -0,0 +1,37 @@
+{ lib, callPackage, linuxPackagesFor, kernelPatches, fetchpatch, ... }:
+
+let
+  modDirVersion = "6.3.0-rc3";
+  linuxPkg = { lib, fetchFromGitHub, buildLinux, ... }@args:
+    buildLinux (args // {
+      version = "${modDirVersion}-starfive-visionfive2";
+
+      src = fetchFromGitHub {
+        owner = "starfive-tech";
+        repo = "linux";
+        rev = "2a6909fb414dfc72ae391791ec6edc3eedd13e6f";
+        sha256 = "sha256-FeY6N+hk0PTpuIuA1hkcS+B+ozn6iHV6YaRVx1kuYHc=";
+      };
+
+      inherit modDirVersion;
+      kernelPatches = [
+        { patch = ./fix-memory-size.patch; }
+        {
+          patch = fetchpatch {
+            url =
+              "https://github.com/torvalds/linux/commit/d83806c4c0cccc0d6d3c3581a11983a9c186a138.diff";
+            hash = "sha256-xUnEJkzQRIIBF/0GIpS0Cd+h6OdSiJlyva5xwxtleE0=";
+          };
+        }
+      ] ++ kernelPatches;
+
+      structuredExtraConfig = with lib.kernel; {
+        PL330_DMA = no;
+        PINCTRL_STARFIVE_JH7110_SYS = yes;
+        SERIAL_8250_DW = yes;
+      };
+
+      extraMeta.branch = "JH7110_VisionFive2_upstream";
+    } // (args.argsOverride or { }));
+
+in lib.recurseIntoAttrs (linuxPackagesFor (callPackage linuxPkg { }))