Commit e8e2bfd1 authored Jul 01, 2013 by Andreas Larsson Committed by David S. Miller Jul 10, 2013

sparc32, leon: Require separate snoop tags set to regard snooping to be enabled



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@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f118e9ab

arch/sparc/include/asm/leon.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)