[meta-freescale] [meta-fsl-ppc][dylan][PATCH 30/30] conf/machine/*: make KERNEL_DEFCONFIG overridable

b28495 at freescale.com b28495 at freescale.com
Tue Jan 7 05:09:52 PST 2014


From: Ting Liu <b28495 at freescale.com>

Signed-off-by: Ting Liu <b28495 at freescale.com>
---
 conf/machine/b4420qds-64b.conf |    2 +-
 conf/machine/b4420qds.conf     |    2 +-
 conf/machine/b4860qds-64b.conf |    2 +-
 conf/machine/b4860qds.conf     |    2 +-
 conf/machine/bsc9131rdb.conf   |    2 +-
 conf/machine/bsc9132qds.conf   |    2 +-
 conf/machine/c293pcie.conf     |    2 +-
 conf/machine/p1010rdb.conf     |    2 +-
 conf/machine/p1020rdb.conf     |    2 +-
 conf/machine/p1021rdb.conf     |    2 +-
 conf/machine/p1022ds.conf      |    2 +-
 conf/machine/p1023rdb.conf     |    2 +-
 conf/machine/p1025twr.conf     |    2 +-
 conf/machine/p2020ds.conf      |    2 +-
 conf/machine/p2020rdb.conf     |    2 +-
 conf/machine/p2041rdb.conf     |    2 +-
 conf/machine/p3041ds.conf      |    2 +-
 conf/machine/p4080ds.conf      |    2 +-
 conf/machine/p5020ds-64b.conf  |    2 +-
 conf/machine/p5020ds.conf      |    2 +-
 conf/machine/p5040ds-64b.conf  |    2 +-
 conf/machine/p5040ds.conf      |    2 +-
 conf/machine/t4160qds-64b.conf |    2 +-
 conf/machine/t4160qds.conf     |    2 +-
 conf/machine/t4240qds-64b.conf |    2 +-
 conf/machine/t4240qds.conf     |    2 +-
 26 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/conf/machine/b4420qds-64b.conf b/conf/machine/b4420qds-64b.conf
index bb1beb6..b498130 100644
--- a/conf/machine/b4420qds-64b.conf
+++ b/conf/machine/b4420qds-64b.conf
@@ -10,7 +10,7 @@ SOC_FAMILY = "b4420"
 UBOOT_MACHINES ?= "B4420QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/b4420qds.dts \
     ${S}/arch/powerpc/boot/dts/b4420qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/b4420qds.conf b/conf/machine/b4420qds.conf
index 663155d..2ade552 100644
--- a/conf/machine/b4420qds.conf
+++ b/conf/machine/b4420qds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "b4420"
 UBOOT_MACHINES ?= "B4420QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/b4420qds.dts \
     ${S}/arch/powerpc/boot/dts/b4420qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/b4860qds-64b.conf b/conf/machine/b4860qds-64b.conf
index da6900d..0c42b3b 100644
--- a/conf/machine/b4860qds-64b.conf
+++ b/conf/machine/b4860qds-64b.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "b4860"
 UBOOT_MACHINES ?= "B4860QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/b4860qds.dts \
 	${S}/arch/powerpc/boot/dts/b4860qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/b4860qds.conf b/conf/machine/b4860qds.conf
index 6b71789..de456a8 100644
--- a/conf/machine/b4860qds.conf
+++ b/conf/machine/b4860qds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "b4860"
 UBOOT_MACHINES ?= "B4860QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/b4860qds.dts \
 	${S}/arch/powerpc/boot/dts/b4860qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/bsc9131rdb.conf b/conf/machine/bsc9131rdb.conf
index d3aa459..3bc4394 100644
--- a/conf/machine/bsc9131rdb.conf
+++ b/conf/machine/bsc9131rdb.conf
@@ -7,7 +7,7 @@ require conf/machine/include/soc-family.inc
 SOC_FAMILY = "bsc9131"
 UBOOT_MACHINES ?= "BSC9131RDB_SPIFLASH BSC9131RDB_NAND BSC9131RDB_NAND_SYSCLK100 BSC9131RDB_SPIFLASH_SYSCLK100"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/bsc9131rdb.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/bsc913x_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/bsc913x_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/bsc9132qds.conf b/conf/machine/bsc9132qds.conf
index 185c9bc..1049445 100644
--- a/conf/machine/bsc9132qds.conf
+++ b/conf/machine/bsc9132qds.conf
@@ -7,7 +7,7 @@ require conf/machine/include/soc-family.inc
 SOC_FAMILY = "bsc9132"
 UBOOT_MACHINES ?= " BSC9132QDS_NAND_DDRCLK133 BSC9132QDS_NAND_DDRCLK100 BSC9132QDS_NOR_DDRCLK100 BSC9132QDS_NOR_DDRCLK133 BSC9132QDS_SDCARD_DDRCLK100 BSC9132QDS_SDCARD_DDRCLK133 BSC9132QDS_SPIFLASH_DDRCLK100 BSC9132QDS_SPIFLASH_DDRCLK133"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/bsc9132qds.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/bsc913x_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/bsc913x_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/c293pcie.conf b/conf/machine/c293pcie.conf
index 318b17e..7c975ea 100644
--- a/conf/machine/c293pcie.conf
+++ b/conf/machine/c293pcie.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "c293pcie"
 BOOTFORMAT_CONFIG = "config_ddr3_512m_c29xpcie_800M.dat"
 UBOOT_MACHINES ?= "C293PCIE C293PCIE_NAND C293PCIE_SPIFLASH C293PCIE_SECBOOT C293PCIE_SPIFLASH_SECBOOT"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/c293pcie_36b.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p1010rdb.conf b/conf/machine/p1010rdb.conf
index 303bbcb..4d4c2bc 100644
--- a/conf/machine/p1010rdb.conf
+++ b/conf/machine/p1010rdb.conf
@@ -12,7 +12,7 @@ UBOOT_MACHINES ?= "P1010RDB-PB_NAND P1010RDB-PB_NOR \
     P1010RDB-PB_36BIT_SPIFLASH"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p1010rdb-pa.dts \
 	${S}/arch/powerpc/boot/dts/p1010rdb-pb.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_defconfig"
 
 JFFS2_ERASEBLOCK = "0x20000"
 
diff --git a/conf/machine/p1020rdb.conf b/conf/machine/p1020rdb.conf
index 46649c3..83d62b1 100644
--- a/conf/machine/p1020rdb.conf
+++ b/conf/machine/p1020rdb.conf
@@ -10,7 +10,7 @@ UBOOT_MACHINES ?= " P1020RDB-PD P1020RDB-PD_NAND P1020RDB-PD_SDCARD P1020RDB-PD_
 
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p1020rdb-pd_32b.dts"
 
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x20000"
 
diff --git a/conf/machine/p1021rdb.conf b/conf/machine/p1021rdb.conf
index 5373aab..12778a2 100644
--- a/conf/machine/p1021rdb.conf
+++ b/conf/machine/p1021rdb.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "p1021"
 BOOTFORMAT_CONFIG = "config_sram_p1022ds.dat"
 UBOOT_MACHINES ?= "P1021RDB-PC P1021RDB-PC_NAND P1021RDB-PC_SDCARD P1021RDB-PC_SPIFLASH P1021RDB-PC_36BIT P1021RDB-PC_36BIT_SPIFLASH P1021RDB-PC_36BIT_NAND P1021RDB-PC_36BIT_SDCARD"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p1021rdb-pc_32b.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x20000"
 
diff --git a/conf/machine/p1022ds.conf b/conf/machine/p1022ds.conf
index 07ae9d5..2ccd207 100644
--- a/conf/machine/p1022ds.conf
+++ b/conf/machine/p1022ds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p1022"
 BOOTFORMAT_CONFIG = "config_sram_p1022ds.dat"
 UBOOT_MACHINES ?= "P1022DS P1022DS_NAND P1022DS_SPIFLASH P1022DS_SDCARD P1022DS_36BIT P1022DS_36BIT_SPIFLASH P1022DS_36BIT_NAND P1022DS_36BIT_SDCARD"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p1022ds_32b.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
 
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xorg"
 
diff --git a/conf/machine/p1023rdb.conf b/conf/machine/p1023rdb.conf
index 1c13a14..96e896b 100644
--- a/conf/machine/p1023rdb.conf
+++ b/conf/machine/p1023rdb.conf
@@ -7,7 +7,7 @@ require conf/machine/include/soc-family.inc
 SOC_FAMILY = "p1023"
 UBOOT_MACHINES ?= "P1023RDB"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p1023rdb.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/p1023rds_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/p1023rds_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p1025twr.conf b/conf/machine/p1025twr.conf
index 769bf98..19766e7 100644
--- a/conf/machine/p1025twr.conf
+++ b/conf/machine/p1025twr.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "p1025"
 BOOTFORMAT_CONFIG = "config_ddr3_1gb_p1_p2_rdb_pc_667M.dat"
 UBOOT_MACHINES ?= "TWR-P1025"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p1025twr_32b.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x20000"
 
diff --git a/conf/machine/p2020ds.conf b/conf/machine/p2020ds.conf
index 248be34..1f5a098 100644
--- a/conf/machine/p2020ds.conf
+++ b/conf/machine/p2020ds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p2020"
 BOOTFORMAT_CONFIG = "config_sram_p2020ds.dat"
 UBOOT_MACHINES ?= "P2020DS P2020DS_36BIT P2020DS_DDR2 P2020DS_SDCARD P2020DS_SPIFLASH"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p2020ds.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x20000"
 
diff --git a/conf/machine/p2020rdb.conf b/conf/machine/p2020rdb.conf
index 48b0b39..efc3e1c 100644
--- a/conf/machine/p2020rdb.conf
+++ b/conf/machine/p2020rdb.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "p2020"
 BOOTFORMAT_CONFIG = "config_sram_p1022ds.dat"
 UBOOT_MACHINES ?= " P2020RDB-PC P2020RDB-PC_NAND P2020RDB-PC_SDCARD P2020RDB-PC_SPIFLASH P2020RDB-PC_36BIT P2020RDB-PC_36BIT_SPIFLASH P2020RDB-PC_36BIT_NAND P2020RDB-PC_36BIT_SDCARD"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p2020rdb-pc_32b.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/mpc85xx_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x20000"
 
diff --git a/conf/machine/p2041rdb.conf b/conf/machine/p2041rdb.conf
index 0f08a73..568e905 100644
--- a/conf/machine/p2041rdb.conf
+++ b/conf/machine/p2041rdb.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p2041"
 UBOOT_MACHINES ?= "P2041RDB P2041RDB_NAND P2041RDB_SECURE_BOOT P2041RDB_SDCARD P2041RDB_SPIFLASH"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p2041rdb.dts \
 	${S}/arch/powerpc/boot/dts/p2041rdb-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p3041ds.conf b/conf/machine/p3041ds.conf
index 38612cc..6a87093 100644
--- a/conf/machine/p3041ds.conf
+++ b/conf/machine/p3041ds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p3041"
 UBOOT_MACHINES ?= "P3041DS P3041DS_NAND P3041DS_SECURE_BOOT P3041DS_SDCARD P3041DS_SPIFLASH"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p3041ds.dts \
 	${S}/arch/powerpc/boot/dts/p3041ds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p4080ds.conf b/conf/machine/p4080ds.conf
index 21ff5df..0e25866 100644
--- a/conf/machine/p4080ds.conf
+++ b/conf/machine/p4080ds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p4080"
 UBOOT_MACHINES ?= "P4080DS P4080DS_SECURE_BOOT P4080DS_SDCARD P4080DS_SPIFLASH "
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p4080ds.dts \
 	${S}/arch/powerpc/boot/dts/p4080ds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p5020ds-64b.conf b/conf/machine/p5020ds-64b.conf
index 0c19c72..9f8fd1c 100644
--- a/conf/machine/p5020ds-64b.conf
+++ b/conf/machine/p5020ds-64b.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "p5020"
 UBOOT_MACHINES ?= "P5020DS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p5020ds.dts \
 	${S}/arch/powerpc/boot/dts/p5020ds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet64_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet64_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p5020ds.conf b/conf/machine/p5020ds.conf
index 55f5fe4..60c0d48 100644
--- a/conf/machine/p5020ds.conf
+++ b/conf/machine/p5020ds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p5020"
 UBOOT_MACHINES ?= "P5020DS P5020DS_NAND P5020DS_SECURE_BOOT P5020DS_SDCARD P5020DS_SPIFLASH "
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p5020ds.dts \
 	${S}/arch/powerpc/boot/dts/p5020ds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p5040ds-64b.conf b/conf/machine/p5040ds-64b.conf
index 085d36b..1396c38 100644
--- a/conf/machine/p5040ds-64b.conf
+++ b/conf/machine/p5040ds-64b.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p5040"
 UBOOT_MACHINES ?= "P5040DS  P5040DS_NAND P5040DS_SECURE_BOOT P5040DS_SDCARD P5040DS_SPIFLASH"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p5040ds.dts \
 	${S}/arch/powerpc/boot/dts/p5040ds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet64_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet64_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/p5040ds.conf b/conf/machine/p5040ds.conf
index 375b398..1057d25 100644
--- a/conf/machine/p5040ds.conf
+++ b/conf/machine/p5040ds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "p5040"
 UBOOT_MACHINES ?= "P5040DS P5040DS_NAND P5040DS_SECURE_BOOT P5040DS_SDCARD P5040DS_SPIFLASH"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/p5040ds.dts \
 	${S}/arch/powerpc/boot/dts/p5040ds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/corenet32_smp_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/t4160qds-64b.conf b/conf/machine/t4160qds-64b.conf
index 944d3ad..dac2819 100644
--- a/conf/machine/t4160qds-64b.conf
+++ b/conf/machine/t4160qds-64b.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "t4160"
 UBOOT_MACHINES ?= "T4160QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/t4240qds.dts \
 	${S}/arch/powerpc/boot/dts/t4240qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/t4160qds.conf b/conf/machine/t4160qds.conf
index 6d968c6..d5c49a5 100644
--- a/conf/machine/t4160qds.conf
+++ b/conf/machine/t4160qds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "t4160"
 UBOOT_MACHINES ?= "T4160QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/t4240qds.dts \
 	${S}/arch/powerpc/boot/dts/t4240qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/t4240qds-64b.conf b/conf/machine/t4240qds-64b.conf
index 2b5da64..5dff8d4 100644
--- a/conf/machine/t4240qds-64b.conf
+++ b/conf/machine/t4240qds-64b.conf
@@ -9,7 +9,7 @@ SOC_FAMILY = "t4240"
 UBOOT_MACHINES ?= "T4240QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/t4240qds.dts \
 	${S}/arch/powerpc/boot/dts/t4240qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
diff --git a/conf/machine/t4240qds.conf b/conf/machine/t4240qds.conf
index 44934f1..382c969 100644
--- a/conf/machine/t4240qds.conf
+++ b/conf/machine/t4240qds.conf
@@ -8,7 +8,7 @@ SOC_FAMILY = "t4240"
 UBOOT_MACHINES ?= "T4240QDS"
 KERNEL_DEVICETREE ?= "${S}/arch/powerpc/boot/dts/t4240qds.dts \
 	${S}/arch/powerpc/boot/dts/t4240qds-usdpaa.dts"
-KERNEL_DEFCONFIG = "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
+KERNEL_DEFCONFIG ?= "${S}/arch/powerpc/configs/85xx/e6500rev2_defconfig"
 
 JFFS2_ERASEBLOCK = "0x10000"
 
-- 
1.7.3.4




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