[yocto] [meta-raspberrypi][PATCH 1/2] linux-raspberrypi: Update kernel to 3.18.16

[Alex J Lennon]

This requires some changes to KERNEL_DEVICETREE as the dtb
layout has changed to support overlays. This change also
makes us ready to support kernel 4.x series

Signed-off-by: Alex J Lennon <ajlennon at dynamicdevices.co.uk>
---
 conf/machine/include/rpi-base.inc              | 22 ++++++++++------------
 recipes-kernel/linux/linux-raspberrypi_3.18.bb |  9 +++++++--
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/conf/machine/include/rpi-base.inc b/conf/machine/include/rpi-base.inc
index 1dda207..8caa5ba 100644
--- a/conf/machine/include/rpi-base.inc
+++ b/conf/machine/include/rpi-base.inc
@@ -23,18 +23,16 @@ KERNEL_DEVICETREE ?= " \
     bcm2708-rpi-b-plus.dtb \
     bcm2709-rpi-2-b.dtb \
     \
-    ds1307-rtc-overlay.dtb \
-    hifiberry-amp-overlay.dtb \
-    hifiberry-dac-overlay.dtb \
-    hifiberry-dacplus-overlay.dtb \
-    hifiberry-digi-overlay.dtb \
-    iqaudio-dac-overlay.dtb \
-    iqaudio-dacplus-overlay.dtb \
-    lirc-rpi-overlay.dtb \
-    pcf8523-rtc-overlay.dtb \
-    pps-gpio-overlay.dtb \
-    w1-gpio-overlay.dtb \
-    w1-gpio-pullup-overlay.dtb \
+    overlays/hifiberry-amp-overlay.dtb \
+    overlays/hifiberry-dac-overlay.dtb \
+    overlays/hifiberry-dacplus-overlay.dtb \
+    overlays/hifiberry-digi-overlay.dtb \
+    overlays/iqaudio-dac-overlay.dtb \
+    overlays/iqaudio-dacplus-overlay.dtb \
+    overlays/lirc-rpi-overlay.dtb \
+    overlays/pps-gpio-overlay.dtb \
+    overlays/w1-gpio-overlay.dtb \
+    overlays/w1-gpio-pullup-overlay.dtb \
     "
 KERNEL_IMAGETYPE ?= "Image"
 
diff --git a/recipes-kernel/linux/linux-raspberrypi_3.18.bb b/recipes-kernel/linux/linux-raspberrypi_3.18.bb
index 6d8b155..18c2020 100644
--- a/recipes-kernel/linux/linux-raspberrypi_3.18.bb
+++ b/recipes-kernel/linux/linux-raspberrypi_3.18.bb
@@ -1,6 +1,11 @@
-LINUX_VERSION ?= "3.18.11"
+LINUX_VERSION ?= "3.18.16"
 
-SRCREV = "d64fa8121fca9883d6fb14ca06d2abf66496195e"
+SRCREV = "1bb18c8f721ef674a447f3622273f2e2de7a205c"
 SRC_URI = "git://github.com/raspberrypi/linux.git;protocol=git;branch=rpi-3.18.y"
 
 require linux-raspberrypi.inc
+
+# Create missing out of tree 'overlays' directory prior to install step
+do_compile_append() {
+  mkdir -p ${B}/arch/arm/boot/dts/overlays
+}
-- 
1.9.1