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authorLinus Torvalds <torvalds@linux-foundation.org>2018-02-02 09:48:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-02 09:48:36 -0800
commit44644391ff1817fa01b1ae4a7e52af8a23e0baa2 (patch)
treecaa93c353bbf80edb8e897ed34968a5614729b5b
parent4bf772b14675411a69b3c807f73006de0fe4b649 (diff)
parent7b6ce52be3f86520524711a6f33f3866f9339694 (diff)
Merge tag 'microblaze-4.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze updates from Michal Simek: - Fix endian handling and Kconfig dependency - Fix iounmap prototype * tag 'microblaze-4.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Setup proper dependency for optimized lib functions microblaze: fix iounmap prototype microblaze: fix endian handling
-rw-r--r--arch/microblaze/Kconfig.platform1
-rw-r--r--arch/microblaze/Makefile17
-rw-r--r--arch/microblaze/include/asm/io.h2
-rw-r--r--arch/microblaze/mm/pgtable.c2
4 files changed, 14 insertions, 8 deletions
diff --git a/arch/microblaze/Kconfig.platform b/arch/microblaze/Kconfig.platform
index 1b3d8c849101..6996f397c16c 100644
--- a/arch/microblaze/Kconfig.platform
+++ b/arch/microblaze/Kconfig.platform
@@ -8,6 +8,7 @@ menu "Platform options"
config OPT_LIB_FUNCTION
bool "Optimalized lib function"
+ depends on CPU_LITTLE_ENDIAN
default y
help
Allows turn on optimalized library function (memcpy and memmove).
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 830ee7d42fa0..d269dd4b8279 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -36,16 +36,21 @@ endif
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
-CPUFLAGS-$(CONFIG_BIG_ENDIAN) += -mbig-endian
-CPUFLAGS-$(CONFIG_LITTLE_ENDIAN) += -mlittle-endian
+
+ifdef CONFIG_CPU_BIG_ENDIAN
+KBUILD_CFLAGS += -mbig-endian
+KBUILD_AFLAGS += -mbig-endian
+LD += -EB
+else
+KBUILD_CFLAGS += -mlittle-endian
+KBUILD_AFLAGS += -mlittle-endian
+LD += -EL
+endif
CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
# r31 holds current when in kernel mode
-KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
-
-LDFLAGS :=
-LDFLAGS_vmlinux :=
+KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(CPUFLAGS-1) $(CPUFLAGS-2)
head-y := arch/microblaze/kernel/head.o
libs-y += arch/microblaze/lib/
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 39b6315db82e..c7968139486f 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -36,7 +36,7 @@ extern resource_size_t isa_mem_base;
#ifdef CONFIG_MMU
#define page_to_bus(page) (page_to_phys(page))
-extern void iounmap(void __iomem *addr);
+extern void iounmap(volatile void __iomem *addr);
extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
#define ioremap_nocache(addr, size) ioremap((addr), (size))
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 4c0599239915..7f525962cdfa 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -127,7 +127,7 @@ void __iomem *ioremap(phys_addr_t addr, unsigned long size)
}
EXPORT_SYMBOL(ioremap);
-void iounmap(void __iomem *addr)
+void iounmap(volatile void __iomem *addr)
{
if ((__force void *)addr > high_memory &&
(unsigned long) addr < ioremap_bot)