From 6668058a6246350382c896262e49b58843529c09 Mon Sep 17 00:00:00 2001
From: Brian McKenna <brian@brianmckenna.org>
Date: Fri, 16 Oct 2015 21:36:18 +1100
Subject: [PATCH] linux: add config options needed for a Bay Trail Chromebook

Close #10416.
Got /dev/mmcblk0 on a live CD with these options:

    X86_INTEL_LPSS y
    PINCTRL_BAYTRAIL y
---
 pkgs/os-specific/linux/kernel/common-config.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index 105d7e7f9f3..19731eccc90 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -41,6 +41,9 @@ with stdenv.lib;
     PM_RUNTIME y
   ''}
   PM_ADVANCED_DEBUG y
+  ${optionalString (versionAtLeast version "3.11") ''
+    X86_INTEL_LPSS y
+  ''}
   ${optionalString (versionAtLeast version "3.10") ''
     X86_INTEL_PSTATE y
   ''}
@@ -316,6 +319,9 @@ with stdenv.lib;
   MOUSE_PS2_ELANTECH y # Elantech PS/2 protocol extension
   MTRR_SANITIZER y
   NET_FC y # Fibre Channel driver support
+  ${optionalString (versionAtLeast version "3.11") ''
+    PINCTRL_BAYTRAIL y # GPIO on Intel Bay Trail, for some Chromebook internal eMMC disks
+  ''}
   PPP_MULTILINK y # PPP multilink support
   PPP_FILTER y
   REGULATOR y # Voltage and Current Regulator Support