From 87a68c455e7a5475e2a899a6f956da521afec715 Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Fri, 3 Nov 2017 15:49:51 +0200
Subject: [PATCH] kernel: Allow kernel packages to specify a custom default
 defconfig

---
 pkgs/os-specific/linux/kernel/generic.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/kernel/generic.nix b/pkgs/os-specific/linux/kernel/generic.nix
index 2b44ff51ad0a..249a1ea5cefa 100644
--- a/pkgs/os-specific/linux/kernel/generic.nix
+++ b/pkgs/os-specific/linux/kernel/generic.nix
@@ -12,6 +12,9 @@
 , # The kernel version.
   version
 
+, # Allows overriding the default defconfig
+  defconfig ? null
+
 , # Overrides to the kernel config.
   extraConfig ? ""
 
@@ -85,7 +88,7 @@ let
 
     platformName = hostPlatform.platform.name;
     # e.g. "defconfig"
-    kernelBaseConfig = hostPlatform.platform.kernelBaseConfig;
+    kernelBaseConfig = if defconfig != null then defconfig else hostPlatform.platform.kernelBaseConfig;
     # e.g. "bzImage"
     kernelTarget = hostPlatform.platform.kernelTarget;