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authorChristophe Leroy <christophe.leroy@c-s.fr>2019-05-14 09:05:13 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2019-07-05 01:35:10 +1000
commit1cfb725fb1899dc6fdc88f8b5354a65e8ad260c6 (patch)
tree1e1a4bf185f110b05a2f47b7ed9533d3893d81d1 /arch/powerpc/lib
parentpowerpc: slightly improve cache helpers (diff)
downloadlinux-dev-1cfb725fb1899dc6fdc88f8b5354a65e8ad260c6.tar.xz
linux-dev-1cfb725fb1899dc6fdc88f8b5354a65e8ad260c6.zip
powerpc/64: flush_inval_dcache_range() becomes flush_dcache_range()
On most arches having function flush_dcache_range(), including PPC32, this function does a writeback and invalidation of the cache bloc. On PPC64, flush_dcache_range() only does a writeback while flush_inval_dcache_range() does the invalidation in addition. In addition it looks like within arch/powerpc/, there are no PPC64 platforms using flush_dcache_range() This patch drops the existing 64 bits version of flush_dcache_range() and renames flush_inval_dcache_range() into flush_dcache_range(). Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/lib')
-rw-r--r--arch/powerpc/lib/pmem.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/lib/pmem.c b/arch/powerpc/lib/pmem.c
index 53c018762e1c..36e08bf850e0 100644
--- a/arch/powerpc/lib/pmem.c
+++ b/arch/powerpc/lib/pmem.c
@@ -23,14 +23,14 @@
void arch_wb_cache_pmem(void *addr, size_t size)
{
unsigned long start = (unsigned long) addr;
- flush_inval_dcache_range(start, start + size);
+ flush_dcache_range(start, start + size);
}
EXPORT_SYMBOL(arch_wb_cache_pmem);
void arch_invalidate_pmem(void *addr, size_t size)
{
unsigned long start = (unsigned long) addr;
- flush_inval_dcache_range(start, start + size);
+ flush_dcache_range(start, start + size);
}
EXPORT_SYMBOL(arch_invalidate_pmem);
@@ -43,7 +43,7 @@ long __copy_from_user_flushcache(void *dest, const void __user *src,
unsigned long copied, start = (unsigned long) dest;
copied = __copy_from_user(dest, src, size);
- flush_inval_dcache_range(start, start + size);
+ flush_dcache_range(start, start + size);
return copied;
}
@@ -53,7 +53,7 @@ void *memcpy_flushcache(void *dest, const void *src, size_t size)
unsigned long start = (unsigned long) dest;
memcpy(dest, src, size);
- flush_inval_dcache_range(start, start + size);
+ flush_dcache_range(start, start + size);
return dest;
}