As per ISA and isync is only needed on instruction cache block invalidate. Remove the same from dcache invalidate.
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com> --- Note: IIUC we can also void the sync fore dcbf. arch/powerpc/include/asm/cacheflush.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index 4a1c9f0200e1..e92191b390f3 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -65,17 +65,13 @@ static inline void flush_dcache_range(unsigned long start, unsigned long stop) unsigned long size = stop - (unsigned long)addr + (bytes - 1); unsigned long i; - if (IS_ENABLED(CONFIG_PPC64)) { + if (IS_ENABLED(CONFIG_PPC64)) mb(); /* sync */ - isync(); - } for (i = 0; i < size >> shift; i++, addr += bytes) dcbf(addr); mb(); /* sync */ - if (IS_ENABLED(CONFIG_PPC64)) - isync(); } /* -- 2.25.1