linux-raspberrypi: fix kernel configuration using cfg files

In tree configurations are now used to build the kernel and
it is possible to extend the config via bbappend and cfg fragments

Fix issue 14

Signed-off-by: Andrea Ghittino <aghittino@gmail.com>

3 files changed, 8 insertions, 16 deletions

diff --git a/recipes-kernel/linux/linux-raspberrypi.inc b/recipes-kernel/linux/linux-raspberrypi.inc
index 4f5999d..f79aacb 100644
--- a/recipes-kernel/linux/linux-raspberrypi.inc
+++ b/recipes-kernel/linux/linux-raspberrypi.inc
@@ -6,19 +6,16 @@ SECTION = "kernel"
 LICENSE = "GPLv2"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
 
-SRC_URI += " \
-        file://defconfig \
-        "
-
 COMPATIBLE_MACHINE = "^rpi$"
 
 PE = "1"
 PV = "${LINUX_VERSION}+git${SRCPV}"
 
-# NOTE: For now we pull in the default config from the RPi kernel GIT tree.
-KERNEL_DEFCONFIG_raspberrypi ?= "bcmrpi_defconfig"
-KERNEL_DEFCONFIG_raspberrypi2 ?= "bcm2709_defconfig"
-KERNEL_DEFCONFIG_raspberrypi3-64 ?= "bcmrpi3_defconfig"
+KCONFIG_MODE = "--alldefconfig"
+KBUILD_DEFCONFIG_raspberrypi ?= "bcmrpi_defconfig"
+KBUILD_DEFCONFIG_raspberrypi2 ?= "bcm2709_defconfig"
+KBUILD_DEFCONFIG_raspberrypi3 ?= "bcm2709_defconfig"
+KBUILD_DEFCONFIG_raspberrypi3-64 ?= "bcmrpi3_defconfig"
 
 # CMDLINE for raspberrypi
 CMDLINE ?= "dwc_otg.lpm_enable=0 console=serial0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait"
@@ -38,10 +35,6 @@ python __anonymous () {
     d.setVar("KERNEL_DEVICETREE", kerneldt)
 }
 
-do_kernel_configme_prepend() {
-    install -m 0644 ${S}/arch/${ARCH}/configs/${KERNEL_DEFCONFIG} ${WORKDIR}/defconfig || die "No default configuration for ${MACHINE} / ${KERNEL_DEFCONFIG} available."
-}
-
 do_install_prepend() {
     install -d ${D}/lib/firmware
 }
diff --git a/recipes-kernel/linux/linux-raspberrypi/defconfig b/recipes-kernel/linux/linux-raspberrypi/defconfig
deleted file mode 100644
index ecbf32c..0000000
--- a/recipes-kernel/linux/linux-raspberrypi/defconfig
+++ /dev/null
@@ -1 +0,0 @@
-# Dummy file to get through do_kernel_configme.
diff --git a/recipes-kernel/linux/linux-rpi.inc b/recipes-kernel/linux/linux-rpi.inc
index 53383b0..ba47e31 100644
--- a/recipes-kernel/linux/linux-rpi.inc
+++ b/recipes-kernel/linux/linux-rpi.inc
@@ -35,8 +35,7 @@ kernel_configure_variable() {
 }
 
 do_configure_prepend() {
-    # Clean .config
-    echo "" > ${B}/.config
+    mv -f ${B}/.config ${B}/.config.patched
     CONF_SED_SCRIPT=""
 
     # oabi / eabi support
@@ -123,7 +122,8 @@ do_configure_prepend() {
 
     # Keep this the last line
     # Remove all modified configs and add the rest to .config
-    sed -e "${CONF_SED_SCRIPT}" < '${WORKDIR}/defconfig' >> '${B}/.config'
+    sed -e "${CONF_SED_SCRIPT}" < '${B}/.config.patched' >> '${B}/.config'
+    rm -f ${B}/.config.patched
 
     yes '' | oe_runmake oldconfig
 }