Comment 8 for bug 1529353

Ok., got it.

root@compile:/Devel/Bisect/ubuntu-vivid# git bisect bad
6b960cc46469ef40ae4f23ff2ad63ab094834de7 is the first bad commit
commit 6b960cc46469ef40ae4f23ff2ad63ab094834de7
Author: Andy Whitcroft <email address hidden>
Date: Thu Jan 22 18:48:32 2015 +0000

    UBUNTU: [Config] apply Device Drivers >> Pin controllers config defaults

    Signed-off-by: Andy Whitcroft <email address hidden>

:040000 040000 b6fc06ffcfb12018b7b52e72b4f492992249c8b2 327eb4e8852ee82ef39134e73d459f3832f0efc9 M debian.master

root@compile:/Devel/Bisect/ubuntu-vivid# git diff 6b960cc46469ef40ae4f23ff2ad63ab094834de7^!
diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu
index e731fd7..7a90788 100644
--- a/debian.master/config/config.common.ubuntu
+++ b/debian.master/config/config.common.ubuntu
@@ -5351,7 +5351,7 @@ CONFIG_PINCTRL_BERLIN=y
 CONFIG_PINCTRL_BERLIN_BG2=y
 CONFIG_PINCTRL_BERLIN_BG2CD=y
 CONFIG_PINCTRL_BERLIN_BG2Q=y
-# CONFIG_PINCTRL_CHERRYVIEW is not set
+CONFIG_PINCTRL_CHERRYVIEW=m
 CONFIG_PINCTRL_DOVE=y
 CONFIG_PINCTRL_EXYNOS=y
 CONFIG_PINCTRL_EXYNOS5440=y
@@ -5371,7 +5371,7 @@ CONFIG_PINCTRL_PFC_R8A7740=y
 CONFIG_PINCTRL_PFC_R8A7779=y
 CONFIG_PINCTRL_PFC_R8A7790=y
 CONFIG_PINCTRL_PFC_R8A7791=y
-# CONFIG_PINCTRL_QCOM_SPMI_PMIC is not set
+CONFIG_PINCTRL_QCOM_SPMI_PMIC=m
 CONFIG_PINCTRL_SAMSUNG=y
 CONFIG_PINCTRL_SH_PFC=y
 CONFIG_PINCTRL_SINGLE=y

And sure enough, by removing pinctrl-cherryview.ko Ubuntu will boot nicely even with the latest linux-image-4.2.0-22-generic