diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-06-24 10:46:23 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-28 17:59:50 +0100 |
| commit | e6b1b38c520d85388ab6538001265cc342e81a70 (patch) | |
| tree | 08bb002ac47da8f90f00dc109eafb371f6933ee3 | |
| parent | 3b93e7b08fc3e87e5b451ee5e47cfe142779d0cd (diff) | |
[ARM] nommu: Provide a simple flush_dcache_page implementation
nommu doesn't require a complex flush_dcache_page implementation
like the MMU-ful CPUs do, so provide a simplified version in nommu.c
and omit flush.c from the build as appropriate.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mm/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/mm/nommu.c | 8 |
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 07891c83e52c..ddce03878981 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -3,10 +3,10 @@ # obj-y := consistent.o extable.o fault-armv.o \ - fault.o flush.o init.o iomap.o mmap.o \ + fault.o init.o iomap.o mmap.o \ mm-armv.o -obj-$(CONFIG_MMU) += ioremap.o +obj-$(CONFIG_MMU) += flush.o ioremap.o ifneq ($(CONFIG_MMU),y) obj-y += nommu.o diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 934c551d93da..10166fdeaace 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -4,10 +4,18 @@ * ARM uCLinux supporting functions. */ #include <linux/module.h> +#include <linux/mm.h> +#include <linux/pagemap.h> +#include <asm/cacheflush.h> #include <asm/io.h> #include <asm/page.h> +void flush_dcache_page(struct page *page) +{ + __cpuc_flush_dcache_page(page_address(page)); +} + void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, unsigned long flags) { |