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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-02 09:48:36 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-02 09:48:36 -0800 |
| commit | 44644391ff1817fa01b1ae4a7e52af8a23e0baa2 (patch) | |
| tree | caa93c353bbf80edb8e897ed34968a5614729b5b | |
| parent | 4bf772b14675411a69b3c807f73006de0fe4b649 (diff) | |
| parent | 7b6ce52be3f86520524711a6f33f3866f9339694 (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.platform | 1 | ||||
| -rw-r--r-- | arch/microblaze/Makefile | 17 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/microblaze/mm/pgtable.c | 2 |
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) |