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Subject[PATCH v1 3/8] powerpc/mem: Call flush_coherent_icache() at higher level
Date
flush_coherent_icache() doesn't need the address anymore,
so it can be called immediately when entering the public
functions and doesn't need to be disseminated among
lower level functions.

And use page_to_phys() instead of open coding the calculation
of phys address to call flush_dcache_icache_phys().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/mm/mem.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 19f807b87697..29ce215e491f 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -491,6 +491,8 @@ static void flush_dcache_icache_hugepage(struct page *page)

void flush_dcache_icache_page(struct page *page)
{
+ if (flush_coherent_icache())
+ return;

if (PageCompound(page))
return flush_dcache_icache_hugepage(page);
@@ -504,11 +506,7 @@ void flush_dcache_icache_page(struct page *page)
__flush_dcache_icache(start);
kunmap_atomic(start);
} else {
- unsigned long addr = page_to_pfn(page) << PAGE_SHIFT;
-
- if (flush_coherent_icache())
- return;
- flush_dcache_icache_phys(addr);
+ flush_dcache_icache_phys(page_to_phys(page));
}
#endif
}
@@ -525,9 +523,6 @@ static void __flush_dcache_icache(void *p)
{
unsigned long addr = (unsigned long)p;

- if (flush_coherent_icache())
- return;
-
clean_dcache_range(addr, addr + PAGE_SIZE);

/*
--
2.25.0
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