[PATCH v2 11/11] microblaze: use built-in function to get CPU_{MAJOR,MINOR,REV}

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Use built-in functions instead of shell commands to avoid forking
processes.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Reviewed-by: Nicolas Schier <n.schier@xxxxxx>
---

(no changes since v1)

 arch/microblaze/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index a25e76d89e86..1826d9ce4459 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -6,9 +6,9 @@ UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
 # What CPU version are we building for, and crack it open
 # as major.minor.rev
 CPU_VER   := $(CONFIG_XILINX_MICROBLAZE0_HW_VER)
-CPU_MAJOR := $(shell echo $(CPU_VER) | cut -d '.' -f 1)
-CPU_MINOR := $(shell echo $(CPU_VER) | cut -d '.' -f 2)
-CPU_REV   := $(shell echo $(CPU_VER) | cut -d '.' -f 3)
+CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER)))
+CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER)))
+CPU_REV   := $(word 3, $(subst ., , $(CPU_VER)))
 
 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV
 
-- 
2.32.0




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