[yocto] [PATCH 2/2] allow override of kernel provider

[Darren Hart]

Allow users or layers to override PREFERRED_PROVIDER_virtual/kernel.
This is required to use the linux-yocto-rt kernel, for example.

Signed-off-by: Darren Hart <dvhart at linux.intel.com>
---
 meta-crownbay/conf/machine/crownbay-noemgd.conf  |    2 +-
 meta-crownbay/conf/machine/crownbay.conf         |    2 +-
 meta-emenlow/conf/machine/emenlow.conf           |    2 +-
 meta-fishriver/conf/machine/fishriver.conf       |    5 ++---
 meta-fri2/conf/machine/fri2.conf                 |    4 ++--
 meta-jasperforest/conf/machine/jasperforest.conf |    4 ++--
 meta-sugarbay/conf/machine/sugarbay.conf         |    2 +-
 7 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/meta-crownbay/conf/machine/crownbay-noemgd.conf b/meta-crownbay/conf/machine/crownbay-noemgd.conf
index 7b8a7f2..0219bd1 100644
--- a/meta-crownbay/conf/machine/crownbay-noemgd.conf
+++ b/meta-crownbay/conf/machine/crownbay-noemgd.conf
@@ -11,7 +11,7 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
 PREFERRED_PROVIDER_virtual/libgl  ?= "mesa-dri"
diff --git a/meta-crownbay/conf/machine/crownbay.conf b/meta-crownbay/conf/machine/crownbay.conf
index fd53dbb..323c8c1 100644
--- a/meta-crownbay/conf/machine/crownbay.conf
+++ b/meta-crownbay/conf/machine/crownbay.conf
@@ -11,7 +11,7 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
 PREFERRED_PROVIDER_virtual/libgl  ?= "mesa-dri"
diff --git a/meta-emenlow/conf/machine/emenlow.conf b/meta-emenlow/conf/machine/emenlow.conf
index 21b314f..de6794e 100644
--- a/meta-emenlow/conf/machine/emenlow.conf
+++ b/meta-emenlow/conf/machine/emenlow.conf
@@ -11,7 +11,7 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 PREFERRED_PROVIDER_libdrm = "libdrm-poulsbo"
 PREFERRED_PROVIDER_drm = "libdrm-poulsbo"
diff --git a/meta-fishriver/conf/machine/fishriver.conf b/meta-fishriver/conf/machine/fishriver.conf
index a44d896..70dcc2f 100644
--- a/meta-fishriver/conf/machine/fishriver.conf
+++ b/meta-fishriver/conf/machine/fishriver.conf
@@ -11,9 +11,8 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
-PREFERRED_VERSION_linux-yocto = "3.0+git%"
-
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
+PREFERRED_VERSION_linux-yocto ?= "3.0+git%"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
 PREFERRED_PROVIDER_virtual/libgl  ?= "mesa-dri"
diff --git a/meta-fri2/conf/machine/fri2.conf b/meta-fri2/conf/machine/fri2.conf
index 6b25a51..fea43a2 100644
--- a/meta-fri2/conf/machine/fri2.conf
+++ b/meta-fri2/conf/machine/fri2.conf
@@ -11,8 +11,8 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
-PREFERRED_VERSION_linux-yocto = "3.0+git%"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
+PREFERRED_VERSION_linux-yocto ?= "3.0+git%"
 
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
diff --git a/meta-jasperforest/conf/machine/jasperforest.conf b/meta-jasperforest/conf/machine/jasperforest.conf
index 89626da..6c44fe5 100644
--- a/meta-jasperforest/conf/machine/jasperforest.conf
+++ b/meta-jasperforest/conf/machine/jasperforest.conf
@@ -11,8 +11,8 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
-PREFERRED_VERSION_linux-yocto = "3.0+git%"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
+PREFERRED_VERSION_linux-yocto ?= "3.0+git%"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
diff --git a/meta-sugarbay/conf/machine/sugarbay.conf b/meta-sugarbay/conf/machine/sugarbay.conf
index 0d1ab06..a6f6ddf 100644
--- a/meta-sugarbay/conf/machine/sugarbay.conf
+++ b/meta-sugarbay/conf/machine/sugarbay.conf
@@ -11,7 +11,7 @@ MACHINE_FEATURES = "kernel26 screen keyboard pci usbhost ext2 ext3 x86 \
 
 KERNEL_IMAGETYPE = "bzImage"
 
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_VERSION_linux-yocto = "3.0+git%"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 
-- 
1.7.6