allow override of kernel provider

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@linux.intel.com>

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 7b8a7f2b..0219bd17 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 fd53dbbb..323c8c17 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 21b314f5..de6794ea 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 a44d896a..70dcc2f7 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 6b25a51e..fea43a24 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 89626dae..6c44fe59 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 0d1ab060..a6f6ddfe 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"