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[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>
This commit is contained in:
Russell King 2006-06-24 10:46:23 +01:00 committed by Russell King
parent 3b93e7b08f
commit e6b1b38c52
2 changed files with 10 additions and 2 deletions
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4
arch/arm/mm/Makefile
View File

@ -3,10 +3,10 @@
# #
obj-y := consistent.o extable.o fault-armv.o \ 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 mm-armv.o
obj-$(CONFIG_MMU) += ioremap.o obj-$(CONFIG_MMU) += flush.o ioremap.o
ifneq ($(CONFIG_MMU),y) ifneq ($(CONFIG_MMU),y)
obj-y += nommu.o obj-y += nommu.o

8
arch/arm/mm/nommu.c
View File

@ -4,10 +4,18 @@
* ARM uCLinux supporting functions. * ARM uCLinux supporting functions.
*/ */
#include <linux/module.h> #include <linux/module.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <asm/cacheflush.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/page.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, void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset,
size_t size, unsigned long flags) size_t size, unsigned long flags)
{ {