[PATCH 3/3] sh/boot: Use POSIX "$((..))" instead of bashism "$[...]"

[Geert Uytterhoeven]

According to the bash 4.1 manpage, "$[...]" is deprecated, and will be
removed in upcoming versions of bash.
Hence replace the bash-specific "$[...]" by POSIX "$((..))" for arithmetic
expansion, which also allows to drop the forced use of bash.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 arch/sh/boot/Makefile            |   24 ++++++++++++------------
 arch/sh/boot/compressed/Makefile |   14 +++++++-------
 2 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 4ab2ba5..e10fb9b 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -46,18 +46,18 @@ $(obj)/romImage: $(obj)/romimage/vmlinux FORCE
 $(obj)/romimage/vmlinux: $(obj)/zImage FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/romimage $@
 
-KERNEL_MEMORY	:= $(shell /bin/bash -c 'printf "0x%08x" \
-		     $$[$(CONFIG_PHYSICAL_START) & 0x1fffffff]')
-
-KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%08x" \
-		     $$[$(CONFIG_PAGE_OFFSET)  + \
-			$(KERNEL_MEMORY) + \
-			$(CONFIG_ZERO_PAGE_OFFSET)]')
-
-KERNEL_ENTRY	:= $(shell /bin/bash -c 'printf "0x%08x" \
-		     $$[$(CONFIG_PAGE_OFFSET)  + \
-			$(KERNEL_MEMORY) + \
-			$(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
+KERNEL_MEMORY	:= $(shell printf "0x%08x" \
+		     $$(($(CONFIG_PHYSICAL_START) & 0x1fffffff)))
+
+KERNEL_LOAD	:= $(shell printf "0x%08x" \
+		     $$(($(CONFIG_PAGE_OFFSET) + \
+			 $(KERNEL_MEMORY) + \
+			 $(CONFIG_ZERO_PAGE_OFFSET))))
+
+KERNEL_ENTRY	:= $(shell printf "0x%08x" \
+		     $$(($(CONFIG_PAGE_OFFSET) + \
+			 $(KERNEL_MEMORY) + \
+			 $(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET))))
 
 UIMAGE_LOADADDR = $(KERNEL_LOAD)
 UIMAGE_ENTRYADDR = $(KERNEL_ENTRY)
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 43d1b9a..0330ba7 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -17,14 +17,14 @@ GCOV_PROFILE := n
 # IMAGE_OFFSET is the load offset of the compression loader
 #
 ifeq ($(CONFIG_32BIT),y)
-IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
-		     $$[$(CONFIG_MEMORY_START)  + \
-			$(CONFIG_BOOT_LINK_OFFSET)]')
+IMAGE_OFFSET	:= $(shell printf "0x%08x" \
+		     $$(($(CONFIG_MEMORY_START) + \
+			 $(CONFIG_BOOT_LINK_OFFSET))))
 else
-IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
-		     $$[$(CONFIG_PAGE_OFFSET)  + \
-			$(KERNEL_MEMORY) + \
-			$(CONFIG_BOOT_LINK_OFFSET)]')
+IMAGE_OFFSET	:= $(shell printf "0x%08x" \
+		     $$(($(CONFIG_PAGE_OFFSET) + \
+		         $(KERNEL_MEMORY) + \
+			 $(CONFIG_BOOT_LINK_OFFSET))))
 endif
 
 ifeq ($(CONFIG_MCOUNT),y)
-- 
1.7.0.4

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