MIPS: DTS: Only build subdir of current platform

Add config check in Makefile to only build the subdir of current platform.

E.g. without this patch:

  AR      arch/mips/built-in.a
  AR      arch/mips/boot/dts/brcm/built-in.a
  AR      arch/mips/boot/dts/cavium-octeon/built-in.a
  AR      arch/mips/boot/dts/img/built-in.a
  AR      arch/mips/boot/dts/ingenic/built-in.a
  AR      arch/mips/boot/dts/lantiq/built-in.a
  DTC     arch/mips/boot/dts/loongson/loongson3_4core_rs780e.dtb
  DTB     arch/mips/boot/dts/loongson/loongson3_4core_rs780e.dtb.S
  AS      arch/mips/boot/dts/loongson/loongson3_4core_rs780e.dtb.o
  DTC     arch/mips/boot/dts/loongson/loongson3_8core_rs780e.dtb
  DTB     arch/mips/boot/dts/loongson/loongson3_8core_rs780e.dtb.S
  AS      arch/mips/boot/dts/loongson/loongson3_8core_rs780e.dtb.o
  AR      arch/mips/boot/dts/loongson/built-in.a
  AR      arch/mips/boot/dts/mscc/built-in.a
  AR      arch/mips/boot/dts/mti/built-in.a
  AR      arch/mips/boot/dts/netlogic/built-in.a
  AR      arch/mips/boot/dts/ni/built-in.a
  AR      arch/mips/boot/dts/pic32/built-in.a
  AR      arch/mips/boot/dts/qca/built-in.a
  AR      arch/mips/boot/dts/ralink/built-in.a
  AR      arch/mips/boot/dts/xilfpga/built-in.a
  AR      arch/mips/boot/dts/built-in.a

With this patch:

  AR      arch/mips/built-in.a
  DTC     arch/mips/boot/dts/loongson/loongson3_4core_rs780e.dtb
  DTB     arch/mips/boot/dts/loongson/loongson3_4core_rs780e.dtb.S
  AS      arch/mips/boot/dts/loongson/loongson3_4core_rs780e.dtb.o
  DTC     arch/mips/boot/dts/loongson/loongson3_8core_rs780e.dtb
  DTB     arch/mips/boot/dts/loongson/loongson3_8core_rs780e.dtb.S
  AS      arch/mips/boot/dts/loongson/loongson3_8core_rs780e.dtb.o
  AR      arch/mips/boot/dts/loongson/built-in.a
  AR      arch/mips/boot/dts/built-in.a

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index d429a69..dce32d1 100644 (file)
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -1,17 +1,17 @@
 # SPDX-License-Identifier: GPL-2.0
-subdir-y       += brcm
-subdir-y       += cavium-octeon
-subdir-y       += img
-subdir-y       += ingenic
-subdir-y       += lantiq
-subdir-y       += loongson
-subdir-y       += mscc
-subdir-y       += mti
-subdir-y       += netlogic
-subdir-y       += ni
-subdir-y       += pic32
-subdir-y       += qca
-subdir-y       += ralink
-subdir-y       += xilfpga
+subdir-$(CONFIG_BMIPS_GENERIC)         += brcm
+subdir-$(CONFIG_CAVIUM_OCTEON_SOC)     += cavium-octeon
+subdir-$(CONFIG_MACH_PISTACHIO)                += img
+subdir-$(CONFIG_MACH_INGENIC)          += ingenic
+subdir-$(CONFIG_LANTIQ)                        += lantiq
+subdir-$(CONFIG_MACH_LOONGSON64)       += loongson
+subdir-$(CONFIG_MSCC_OCELOT)           += mscc
+subdir-$(CONFIG_MIPS_MALTA)            += mti
+subdir-$(CONFIG_NLM_XLP_BOARD)         += netlogic
+subdir-$(CONFIG_FIT_IMAGE_FDT_NI169445)        += ni
+subdir-$(CONFIG_MACH_PIC32)            += pic32
+subdir-$(CONFIG_ATH79)                 += qca
+subdir-$(CONFIG_RALINK)                        += ralink
+subdir-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += xilfpga
 
 obj-$(CONFIG_BUILTIN_DTB)      := $(addsuffix /, $(subdir-y))