| Message ID | 1372688167-16432-1-git-send-email-andreas@gaisler.com |
|---|---|
| State | Accepted |
| Delegated to: | David Miller |
| Headers | show |
From: Andreas Larsson <andreas@gaisler.com> Date: Mon, 1 Jul 2013 16:16:07 +0200 > 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> Applied. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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)
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> --- arch/sparc/include/asm/leon.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)