Even if data snooping is enabled, without separate snoop tags snooping will not
work when the MMU is enabled.
Signed-off-by: Andreas Larsson <andreas@xxxxxxxxxxx>
---
arch/sparc/include/asm/leon.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index b836e92..c2f6ff6 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -108,7 +108,7 @@ static inline int sparc_leon3_snooping_enabled(void)
{
u32 cctrl;
__asm__ __volatile__("lda [%%g0] 2, %0\n\t" : "=r"(cctrl));
- return (cctrl >> 23) & 1;
+ return ((cctrl >> 23) & 1) && ((cctrl >> 17) & 1);
};
static inline void sparc_leon3_disable_cache(void)
--
1.7.10.4
--
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