Implement a weak default version of flush_dcache_all which is based on the ARM default, which is to flush the entire range via flush_dcache_range(...).
Signed-off-by: Tom Rini trini@konsulko.com --- Cc: Huan Wang alison.wang@nxp.com Cc: Angelo Dureghello angelo@kernel-space.org --- arch/m68k/lib/cache.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/m68k/lib/cache.c b/arch/m68k/lib/cache.c index de04124404cf..dab834c1cbd8 100644 --- a/arch/m68k/lib/cache.c +++ b/arch/m68k/lib/cache.c @@ -134,6 +134,15 @@ void dcache_invalid(void) #endif }
+/* + * Default implementation: + * do a range flush for the entire range + */ +__weak void flush_dcache_all(void) +{ + flush_dcache_range(0, ~0); +} + __weak void invalidate_dcache_range(unsigned long start, unsigned long stop) { /* An empty stub, real implementation should be in platform code */